Netter Electric External Vibrators
Contents
1. These operating instructions apply for Series NEA Series NED Series NEG Netter GmbH www NettlervVibration corm Germany Fritz Ullmann StraBe 9 55252 Mainz Kastel Tel 49 6134 2901 0 Fax 49 6134 2901 33 info NetterVibration de NetterVibration N V Installation and Operating Oct 2012 Instructions for BA No 1351 Netter Electric External Vibrators 080 Original instructions Switzerland Poland Erlenweg 4 Al W Korfantego 195 17 4310 Rheinfelden 40 153 Katowice Tel 41 61 8316200 Tel 48 32 2050947 Fax 41 61 8311291 Fax 448 32 2051572 info NetterVibration ch info NetterVibration pl Table of Contents 1 GENERAL NOTES 3 2 TECHNICAL DATA 5 3 DESIGN AND FUNCTION 8 4 SAFETY 9 5 TRANSPORT AND STORAQE 9 6 INSTALLATION 10 6 1 Mounting of the vibrator 10 6 2 Housing foot design with variable mounting pattern 11 6 3 Electrical connection 12 7 STARTUP OPERATION 15 8 SERVICE MAINTENANCE 16 9 ADJUSTMENT OF UNBALANCES 16 10 TROUBLE SHOOTING 19 11 SPARE PARTS 23 12 APPENDIX 24 12 1 Accessories 24 12 2 Disposal 24 12 3 Enclosures 24 Scope of delivery Check the packaging for possible signs of transport damage In the event of damage to the packaging check that the contents are complete IMPORTANT and undamaged If there is any damage inform the shipping agent Compare the scope of the delivery with the delivery note 1 General notes Electric external vibrators of series NEA NED and2. ExpLosioN applications potentially explosive HAZARD areas Thermic overload protection Standard equipment with PTC thermistor 130 C from housing size 170 upwards N For smaller units available as first equipment on request EXPLOSIO If the vibrator is operated in environments containing explosive dust N HAZARD zone 21 and 22 it is mandatory to connect the PTC thermistor This regulation does not apply if the unit is not equipped with a PTC thermistor 14 7 Start up operation IMPORTANT CAUTION EXPLOSION HAZARD DANGER CAUTION During operation of the vibrators the rules and regulations of local associations for electrical engineering e g VDE and the applicable accident prevention instructions must be observed Die Vibratoren sind immer mit einem Hauptschalter ein und auszuschalten If the electric external vibrators are operated with a frequency converter compliance with the EMV regulation must be observed Wird die Drehzahl mit einem Frequenzumrichter geregelt ist die H chstfrequenz auf dem Typenschild zu beachten vibrator must not be operated without the cover for the unbalances in place The rotating unbalances cause a risk of injury In zones 21 and 22 the frequency converter may regulate the frequency between 20 Hz and 50 Hz or 20 Hz and 60 Hz please check max frequency on type plate at a constant torque load linear Volt Hertz curve Explosion protect
3. 123530 1142 8 1142 8 35 253 50 764 T3 4 0 4 3 8 2 7 85 267 267 124440 195 GGG 1 4394 1 4394 44 402 63 939 4 9 5 8 9 9 9 5 320 320 NEG 127640 197 GGG 2 4780 24946 76 440 97485 6 8 15 13 2 12 0 438 419 NEG 128520 200 GGG 2 763 2 2 481 4 85 238 110 225 7 6 8 3 14 0 19 5 540 520 1211070 205 GGG 3 589 2 3 100 0 H 110 718 137 703 9 2 9 6 21 0 19 5 702 680 1213160 4 267 4 3 812 8 131 639 169 366 10 4 11 2 22 0 20 0 255 711 NEG 1217670 210 GGG 5 726 6 4 901 6 176 651 217 731 12 5 16 2 25 5 28 0 1 015 981 Technical data available upon request Dimensions Unbalance of mm No of Housing Unbalance Discs NEG A B C E H L M N Typ 50 60 Hz 50 60 Hz Mounting Pattern 50 60 Hz NEG 501540 12 8 IV NEG 501800 438 257 230 190 4 25 124 5 103 201 224 241 XLs 14 10 NEG 502020 16 10 NEG 502270 IV 463 235 230 190 22 104 104 188 248 224 XLs 18 12 503400 12 8 503820 IV 590 335 310 255 30 160 140 274 302 310 XLs 14 10 NEG 506220 IV 670 380 390 320 32 189 155 340 360 384 XS 4 NEG 508830 IV 636 402 392 320 35 200 138 358 352 402 XS 4 NEG 251410 438 103 NEG 251800 IV 490 257 230 190 25 124 5 129 201 224 241 XS 4 NEG 252060 560 164 NEG 252370 523 130 IV 231 2 271 NEG 253050 600 283 275 225 28 140 168 5 3 55 XS 4 NEG 253720 588 139 IV 274 2 1 X NEG 254310 670 588 is e i da 180 139 iis i NEG 254900
4. 13 073 10 842 5050 Perm lubrication 8 087 2 236 164700 80 18 364 15 425 5060 Perm lubrication gt 100 000 5 044 NEG 165190 19 206 15 157 50120 Perm lubrication 18 075 18 075 Em NEG 166270 15 786 13 144 NEG 50200 Perm lubrication 3 363 2 572 emm NEG 166670 13 767 14 000 NEG 50300 Perm lubrication 4 003 3 588 Tr NEG 167890 14 431 12 276 NEG 50550 Perm lubrication 4 148 4 219 50980 9 062 169510 10 728 10 972 501140 1612060 11 000 11 800 501540 4 038 3 856 1613890 13 327 11 510 EI NENNEN NEM NEG 12930 NEG 122150 60 5100 00 29320 NEG 122640 80 100000 41200 NEG 2530 jPerm lubrication gt 100 000 100 000 NEG 25930 9 12 103 10190 NEG 254900 80 990 8648 Recommended tightening torques for screws item 12 and item 22 6 M8 M10 12 M14 M16 M18 M20 8 8 Tightening torque Nm 10 4 12 9 Tightening torque Nm Recommended tightening torques for nuts item 25 Procedure to lubricate and replace the bearings Unbalance type XL 1 Switch off the vibrator secure it reliably against switching on and make sure that it is dead 2 Unscrew socket head cap screws 29 and remove covers 27 from the unbalances 3 Disassembling the unbalances e Unbalances type XL type XLs and type XM 15
5. X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X IX X X X X X X X X X X X XIX X X IX X X X X X X X X X X X X JX X X X X X X X X X X X X X IX XxX X X X X X X X X X X JX XIXIX XIX X X XXIX X X X X X X X X N CN 201 X X X XIX XIX XIX X X X X JX X X X X X X X XIX X X X X X X X X X X IX XIX X X X X X X X X X X X X X X X X X X X X X XIX X X X X IX X X X X X X XX X X X X X X X X X X X X X X X X X IX XIX X X X X X X IX X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X JX X X X X X IX JX X X X IX X X IX XIX X X X X X X X IX X X X X X X X X X X X X X X X X X IX X X X X X X X X X X X X XT X X X X X X X X X X X X X X IX X X X X X X X X X X X X X X X X X X X X X IX JX X X X IX X X IX X X X X X X X X X X X X X X X X XIX X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X JX X X X X X IX JX X X X IX X X IX X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X IX X IX X X X X X X X X X X X X X X X X X X JX X X X X X IX X X IX X XIX XIX X X X X X X X IX X X X X X X X X X X X X X X X X X X X X X X X X IX X IX X X X X X X X X X X X X X X X X X XTX EXT X X X X X JX X X X X X XIX XIX X X X XIXIXIXIXIXIXIX XIX X XIX X X X X X X X X X X X X X X X X X X IX X X X X X X X X JX X X X X X
6. be used for connection to the earth terminal More terminal plans e g for special voltages on request i a The regulation for connection of the PTC thermistor in areas with explosive dust zones 21 and 22 is omitted for units which are not equipped with PTC thermistor standard fitting from housing size 170 upwards The mains voltage and the mains frequency have to correspond to the L nominal voltage and frequency indicated on the type plate A voltage IMPORTANT tolerance of 5 or a frequency tolerance of 2 are admissible The vibrator must only be connected using flexible cables The conductors in the feed cable for the connection of the vibrator to the mains supply must be temperature resistant and must have a sufficient cross section suited to the length of the cable DANGER used Die Temperaturbestandigkeit der Kabel richtet sich nach der auf dem Typenschild angegebenen maximalen Oberflachentemperatur 12 Unbalance Type XLs N Oma E e Type Weight Type of Dimensions Unbalance kg Housing mm No of NEG NEA NEG NEG NEA Unbalance Discs 50 Hz 60 Hz NEA A B C E n F H L M N NEG NEA Mounting Pattern Type 50 60 Hz NEA 504 1 00 1 00 111 67 90 75 4 9 34 24 63 59 65 XL 8 NEG NEA 5020 2 20 2 20 157 33 8 5050 2 45 245 jeg 9 MS s 9 1419 p fp 2 18 NEG NEA 5060 4 9 4 9 197 121 125 Ss T1 33 92 86 105 XLs 4 106 140 NEG NEA 50120 5
7. e Adjustable centrifugal force e All vibrators are impregnated for tropical use by vacuum casting or by trickle impregnation e 100 duty cycle e Degree of protection IP 66 housing size 50 and 60 degree of protection IP 65 e Insulation class F e High rate of efficiency due to silicon electrical sheets e Terminal box integrated in housing foot housing size 101 to 120 e Reduced installation dimensions e Mounting foot multiple holed housing size 50 to 120 e Mounting foot with variable pattern housing size 130 e Stainless steel end covers e Sound level measured in the open lt 70 dB A acc to IEC e From housing size 170 equipped with PTC thermistor as standard e Earthing screw on housing and in terminal box Before use of the electric external vibrators series NEA NED and NEG read this operating instruction carefully and store afterwards nearby the vibrators IMPORTANT This documentation is copyrighted All rights e g for translation into other languages reprinting and copying of these operating instructions or parts hereof remain strictly reserved The following instruction and warning symbols are used these operating instructions EXPLOSION HAZARD CAUTION HOT SURFACE DISCONNECT POWER SUPPLY IMPORTANT ENVIRONMENTALLY FRIENDLY DISPOSAL referring to a possible explosion which If not avoided can result in death or serious injury referring to a possible risk which if not avoi
8. 152 0 5 0 330 075 152 0 00 0 50 125 2 40 0 80 0 75 2 30 4 50 110 100 3 25 7 00 175 1 75 E 0 21 0 20 a 0 41 0 40 0 60 0 60 0 92 0 98 095 0 95 z 0 30 0 30 0 50 0 50 0 2 0 68 E 0 5 0 67 i i 0 79 077 0 85 0 76 110 1 05 0 60 0 68 8 12 V 4 24 V 16 12 V 8 24 V 22 5 11 3 22 24 V Protection IP 65 Technical data available upon request IMPORTANT DANGER EXPLOSION HAZARD EXPLOSION HAZARD DANGER IMPORTANT When selecting the connecting cables please consider the mechanical demands on the cables due to vibration The recommended cable types for power supply operation with 400 V in non explosive atmosphere rubber hose line H07 RN F or oilflex cable 110 CY In case of other voltages or other environmental conditions the cables have to be adapted and designed accordingly Kabel und ochutzleiter sind vorschriftsmaBig anzuschlie en Anschlu pl ne befinden sich im Klemmenkasten ATTENTION The earthing screw labelled with the symbol js located inside the terminal box This screw which serves as earthing connection for the vibrator must only be used to connect the protective conductor green yellow of the power supply cable In zones 21 and 22 the external earthing is established via the earthing connection of the housing base and the mounting surface terminal box cover mus
9. 4 8 12 16 5060 4 discs Setting Centrif force in Centrif force in Centrif force in Centrif force in Centrif force in 0 20 60 80 100 120 140 160 180 Unbalance discs type The unbalance regulation of the unbalance discs type XM is effected via the scale of the fixed unbalance The centrifugal force is set by turning the outer unbalance disc and by adjusting to the scale division lines The regulation is possible in 10 steps Unbalance discs type XS The unbalance setting of the unbalance discs of type XS is made via the scale disc The centrifugal force is infinitely adjusted by turning the outer unbalance discs and adjusting them to the pitch lines on the scale disc After adjusting the unbalances all nuts or screws must be retightened with the specified tightening torque With unbalance discs of type XS the centrifugal force can be adjusted according to the following table Setting Centrifugal force in 96 100 98 5 97 92 87 78 5 70 of screw 99 9 99 9 9 vw 40 166 60 NNNM M8 M10 M12 M14 M16 M18 20_ 8 8 Tightening torque Nm 12 9 Tightening torque Nm For screw types M8 to M14 strength class 12 9 is used as standard 18 9 Trouble shooting Faults on vibrators must only be repaired by authorized qualified personnel only The qualified personnel m
10. IV 640 369 340 280 30 as 155 301 322 336 XS 4 NEG 256460 IV 670 380 390 320 32 189 155 340 360 384 XS 4 NEG 258040 IV 624 402 392 320 25 200 132 358 352 402 XS 4 NEG 258260 IV 862 434 5 460 380 35 215 230 379 392 439 XS 4 NEG 2511210 NEG 2513850 IV 990 454 530 440 38 230 240 423 510 448 XS 4 NEG 16810 490 438 129 103 NEG 161130 IV 560 257 230 190 25 124 5 164 201 224 241 XS 4 NEG 161420 NEG 161610 600 523 168 5 130 IV 231 2 271 X 4 NEG 162110 655 600 il iti di b 196 168 5 i NEG 162550 670 610 180 150 IV 274 2 1 163030 710 335 310 255 30 160 500 30 310 XS 4 NEG 163820 742 206 IV 1 22 X NEG 164700 802 369 340 280 30 173 236 30 3 336 S 4 NEG 165190 772 206 IV 4 NEG 166270 850 380 390 320 32 189 245 340 360 384 XS 4 NEG 166670 IV 750 434 5 460 380 35 215 174 379 392 439 XS 4 NEG 167890 IV NEG 168500 854 402 392 320 35 200 247 358 352 402 XS 4 NEG 169510 IV 862 434 5 460 380 35 215 230 379 392 439 XS 4 NEG 1612060 IV 990 454 530 440 38 230 240 423 510 448 XS 4 NEG 1613890 960 200 XS 4 IV 4 1 NEG 1617000 1 040 inii dd SRM i ve 240 ia ae idis XS 4 NEG 12460 490 129 IV 201 224 241 X 4 NEG 12640 560 257 230 190 25 124 5 164 S NEG 12900 IV 600 283 275 225 28 140 168 5 231 255 271 XS 4 NEG 121430 IV 670 335 310 259 30 160 180 274 302 310 XS 4 NEG 122150 742 206 IV 1 22 X NEG 122640 802 369 340 280 30 173 536 30 3 336 S 4 NEG 122920 772 206 IV 4 4 X 4 NEG 123530 850 380 390 320 32 189 245 340 360 38 5 124440 IV 870
11. NEG from Netter comply with the EC machine regulation 2006 42 EC the regulation concerning the electro magnetic compatibility 2004 108 EC the low voltage regulation 2006 95 EG Standards EN 12100 DIN EN 60529 and EN 60 034 1 are especially complied with Netter series NEA and NEG electric external vibrators from housing size 100 comply with directive 94 9 EC for device group II and are suitable for use in potentially explosive areas of category 2 D in zones 21 and 22 LCIE 07 ATEX 6015 X Standards DIN EN 61241 0 and 61241 1 are especially complied With Electric external vibrators generate rotary vibration These vibrators are intended for installation in machines and are employed to empty silos to drive conveyor troughs screens and vibrating tables generally for loosening conveying compacting and separating of bulk materials and to reduce friction Before operating machines in which NEA and NEG vibrators are installed it must be ensured that they comply with the requirements of the EC machine directive Applications in food and chemical industry are also possible when complying with the operating instructions of the operating company Important note Before using these vibrators the operator must ensure that there is no risk of explosion due to the introduction of vibration energy For applications in explosive environments explosion proofed electric external vibrators are available Special features
12. discs per vibrator There are 2 possibilities to adjust the unbalances 1 The unbalance is adjusted fine adjustment by removing one disc per side All centrifugal force values in 96 specified in the table can be adjusted The removed discs must be replaced by compensation washers available from Netter of identical thickness and identical inner diameter Example The vibrator of type NEG 25210 50Hz with a standard 100 centrifugal force setting has 22 unbalance discs 11 per side If a centrifugal force value of 73 1 required the vibrator is mounted with 16 unbalance discs 8 per side removed unbalance discs must be replaced by compensation washers of the same thickness and the same inner diameter 2 The unbalance is adjusted coarse adjustment by turning one disc per side by 180 on the shaft Example The vibrator of type NEG 25210 50Hz with a standard 100 centrifugal force setting has 22 unbalance discs 11 per side If a centrifugal force value of 27 is required 8 unbalance discs 4 per side are turned by 180 The 3 unbalance discs per side mentioned in the table become ineffective The inertia of all discs remains unchanged 17 Unbalance discs type XLs The unbalance setting of the unbalance discs of type XLs is made via the scale disc The centrifugal force is adjusted by turning the outer unbalance discs and adjusting them to the pitch lines on the scale disc Discs
13. frequency converter The operation of three phase vibrators of series NEG with frequency converters allows rotary speeds of 3000 rpm If the electric external vibrators are operated with a frequency converter compliance with the EMV regulation must be observed In zones 21 and 22 the frequency converter may regulate the frequency between 20 Hz and 50 Hz or 20 Hz and 60 Hz please check max frequency on type plate at a constant torque load linear Volt Hertz curve Rotary speed ranges 2 pole 3000 rpm 50 Hz 3600 rpm 60 Hz 4 pole 1500 rpm 50 Hz 1800 rpm 60 Hz 6 pole 1000 rpm 50 Hz 1200 rpm 60 Hz 8 pole 750 rpm 50 Hz 900 rpm 60 Hz Direct current 3600 rpm IMPORTANT Ambient temperature 20 C to 40 or 20 C to 55 The ambient temperature specified at the type plate must not be exceeded nor fallen short of These values apply for operation with an ON period of 100 For cycled or frequency controlled operation special regulations are valid These must be settled with NetterVibration per individual case These electric vibrators must not be used in environments with a highly explosive gas atmosphere Thermal protection Starting with housing size 170 thermistors type PTC 130 C are standard For smaller units available on request For smaller vibrators available as first equipment on request If the vibrator is operated in environments containing explosive dust zone 21 and 22 it is mandatory to connect the PTC ther
14. of through Netter GmbH ENVIRONMENTALLY The valid disposal prices are available on request FRIENDLY DISPOSAL 12 3 Enclosures Further information available on res request Brochure no 8 Netter Electric External Vibrators and more Enclosure s Declaration of manufacturer IMPORTANT 24
15. pre adjusted working torques can be operated when changing the direction of rotation Fastening sets NBS for secure fastening of electric external vibrators Frequency converters for frequency regulated operation Brake additives enable a quicker braking of the vibrators opecial designs Electric external vibrators are also available in special designs e g for special voltages or for the use in explosive atmospheres Information on request PTC thermistor 120 C thermistor for safe operation of the vibrators Other electrical accessories on request 12 2 Disposal Depending on the material the parts must be disposed of in an expert way Material specifications NEA NED NEG housing types housing types 111 IV Stainless Covers for Covers for Covers for steel unbalances unbalances unbalances Rotor unbalance Rotor unbalance Rotor unbalance Rotor housing flange bearings flange bearings flange bearings unbalance flange screws screws screws bearings screws washers nuts washers nuts washers nuts washers nuts Housing Housing Cover for unbalances type plate type plate type plate terminal terminalbox cover terminal box cover box cover PU Seals Seals Seals Seals VITON terminal box block terminal box block terminal box block terminal box block Copper mr T with Fes Winding Winding Winding Winding Housing type plate Aluminium All units can be disposed
16. 103 NEG 506220 190 GGG 126 0 88 6 62 189 62 970 5 5 5 5 9 2 8 0 188 181 508830 195 GGG 179 0 123 8 88 347 87 988 10 0 9 3 18 0 13 0 218 210 NEG 251410 112 80 0 13 820 14 215 E 0 9 705 1 45 ik 44 8 41 8 251800 140 AL 142 8 97 0 17 620 17 235 ii 1 2 2 0 1 9 49 3 453 NEG 252060 163 112 4 20 113 19 971 1 35 1 45 2 5 279 54 52 NEG 252370 160 2n 192 4 134 8 23 740 23 951 T4 1 6 3 2 3 0 ifs 69 NEG 253050 247 0 1716 30 477 30 490 1 9 2 0 3 8 315 82 79 oo 253720 GGG 301 6 206 7 37 214 36 726 3 4 22 25 3 9 3 9 127 122 io NEG 254310 349 2 2347 43 088 41 702 2 5 2 8 4 8 4 65 125 120 7 NEG 254900 180 GGG 396 8 272 8 48 961 48 472 T3 3 6 3 4 6 0 5 0 174 166 256460 190 GGG 523 8 364 6 64 632 64 783 6 0 6 0 10 5 9 0 212 200 NEG 258040 195 GGG 652 0 452 0 80 450 80 312 7 0 8 0 11 6 5 229 210 NEG 258260 197 GGG 669 2 492 4 82 573 87 490 7 5 8 5 122 12 0 317 303 2511210 200 GGG 908 8 633 2 H 112 137 112 508 10 0 10 5 17 5 15 5 433 411 NEG 2513850 11228 825 2 138 542 145 981 11 0 12 0 20 0 20 0 458 424 16810 144 2 111 8 7 908 8 829 TT 0 68 0 76 1 4 1 4 46 41 NEG 161130 140 AL 202 0 142 8 11 078 11 277 0 75 0 75 1 7 1 5 57 48 161420 254 2 187 4 13 940 14 799 0 95 1 0 1 8 Lr 65 58 NEG 161610 160 2n 292 8 192 4 16 057 15 194 3 4 1 1 1 3 2 2 2 2 80 76 162110 385 4 263 6 21 135 20 816 1 5 1 77 3 0 2 8 95 83 NEG 162550 170 GGG 46
17. 251800 XS 4 4 Type yp 12180 XS 4 4 12230 XS 4 4 12460 XS 4 4 4 4 4 4 Type Number yp 5020 XL 8 8 5060 XLs 501540 XLs 12 8 NEG 501800 NEG 502020 XLs NEG 502270 XLs NEG 503400 NEG 503820 XLs NEG 506220 NEG 508830 NEG 2530 NEG 2570 S NEG 2511210 NEG 2513850 1630 1217670 XS 4 4 Procedure e Switch off the vibrator secure it reliably against switching on and make sure that it is dead Loosen both covers for the unbalances Slacken the locking nuts or locking screws Adjust the discs or cast iron unbalances as required Tighten the locking nuts or locking screws Reinstall the covers for the unbalances Unbalances type XL The centrifugal force is adjustable with the unbalance discs type XL in following steps 15 100 14 93 P Centrifugal 12 80 92 in 11 73 85 100 78 9 10 67 77 91 10 _ 60 69 82 90 100 e 8 53 62 73 80 89 100 7 47 54 64 70 78 88 100 2 6 40 46 55 60 67 75 86 100 B 33 38 45 50 56 63 71 83 100 4 27 31 36 40 44 50 57 67 80 100 3 20 23 27 30 33 38 43 50 60 75 E 2 13 15 18 20 22 25 29 33 40 50 1 7 8 9 10 11 13 1 14 17 20 25 Standard number of unbalance
18. 4 22 66 43 80 32 64 57 18 41 89 75 0 52 0 6 02 6 02 16 84 16 84 32 64 32 64 5718 41 89 75 0 52 0 90 7 66 5 32 64 32 64 56 8 56 8 75 0 75 0 2 39 4 21 9 98 15 6 50 Hz 60Hz 40 57 192 277 450 647 627 904 1 185 1 708 2 073 2433 2 972 2 900 4 930 4 606 7 695 7 392 9 772 9 382 11 352 11 727 296 426 766 747 2 078 2 090 4028 4 027 5 405 5 800 7 056 7 444 9 254 9 239 331 476 924 1 330 1490 2 578 3 136 3 309 4 113 4 106 4 974 5 251 1 007 1 450 1 292 22523 2 314 3 332 1 180 2 080 4 930 11 087 NEG E 50 60 Hz T3 T4 T3 T4 T3 T4 T3 T4 T4 T3 T4 T3 T4 T4 T4 T4 T4 T3 T4 Unbalance Type XL Unbalance Type XM Unbalance Type XS Nominal Current Power Input kW NEG NEA 50Hz 60Hz 50Hz 60Hz 400V 480V 230V 115V 0 024 0 024 0 035 0 035 0 035 0 035 0 045 0 045 0 045 0 045 0 12 0 12 0 11 0 11 0 18 0 18 0 165 0 165 0 26 0 27 0 28 0 28 0 45 0 50 0 5 0 5 0 65 0 685 0 7 0 75 1 1 2 0 085 0 095 0 17 0 17 0 30 0 35 0 525 0 665 0 55 0 68 0 12 0 135 _ _ 0 185 0 205 _ _ 0 35 0 38 _ _ 0 35 0 38 _ 0 42 0 46 0 23 0 25 _ _ 0 35 0 38 _ _ 0 28 0 30 0 10 12 V 0 10 24 V 0 19 12 V 0 19 24 V 0 27 0 27 0 53 24 V 50Hz 60Hz 50 2 60Hz 400V 480V 230V 115V s 013 0 30 015 0 45 O17 0 42 016 016 0 20 0 46 0 27 0 23 0 56
19. 4 2 323 0 25 457 25 507 1 96 2 1 4 1 3 75 140 127 163030 553 4 400 0 30 348 31 588 22 2 4 4 5 4 3 156 141 163820 180 GGG 696 4 467 4 38 191 38 253 T3 T4 2 5 3 0 5 1 5 0 200 182 164700 857 0 587 4 46 998 46 387 3 2 3 6 6 5 6 0 219 198 NEG 165190 i cag 9494 6584 51901 51 994 T3 3 8 4 0 7 0 6 5 247 225 NEG 166270 1142 8 795 0 62 671 62 781 4 3 5 0 8 2 8 1 279 251 NEG 166670 197 GGG 1 216 06 795 8 66 718 62 844 5 0 5 9 10 0 9 8 285 257 167890 d 1 439 4 993 4 78 937 78 448 7 0 7 5 9 6 13 0 320 282 NEG 168500 1 550 4 1 0770 85 024 85 050 7 5 8 2 14 0 12 9 326 289 169510 197 GGG 17346 11328 95125 89 457 7 6 8 0 13 5 12 4 381 340 1612060 200 GGG 2 199 2 1 508 6 120 604 119 134 9 0 9 5 16 3 15 0 500 445 NEG 1613890 S 2 532 4 1 740 0 138 877 137 407 10 6 11 3 19 0 18 0 643 605 NEG 1617000 3 100 0 2 0878 170 004 164 873 13 0 13 7 24 5 23 0 705 656 12460 140 P 144 4 142 2 4 454 6 317 T3 0 45 1 2 12 46 46 NEG 12640 202 0 195 6 6 231 8 689 T3 T4 0 5 1 4 1 3 57 57 NEG 12900 160 AL 292 8 292 8 9 032 13 006 15 0 95 1 1 22 2 80 80 NEG 121430 170 GGG 464 2 464 2 14 319 20 620 T3 15 Uds 4 1 4 2 133 133 NEG 122150 180 GGG 696 4 696 4 21 482 30 934 T3 2 0 279 5 4 512 201 201 NEG 122640 857 0 857 0 26 436 38 068 2 5 3 0 6 0 6 0 217 217 NEG 122920 190 GGG 964 4 964 4 29 194 42 839 T3 2 8 3 35 6 5 6 5 242 242 9
20. 402 392 320 35 200 255 358 352 402 XS 4 NEG 127640 IV 1 002 434 5 460 380 35 215 300 379 392 439 XS 4 NEG 128520 IV 1 070 454 530 440 38 230 280 423 510 448 XS 4 NEG 1211070 1 040 240 IV 4 NEG 1213160 11120 526 570 480 41 268 280 88 560 516 XS 4 NEG 1217670 IV 1 150 607 610 520 38 297 280 542 510 582 XS 4 NetterVibration Netter Electric External Vibrators Type NEA 504 NEG NEA 5020 NEG NEA 5050 5060 50120 50200 3000 3600 50300 50550 50770 50980 501140 2530 2570 1500 1800 25210 25420 25540 25700 25930 1630 1690 1000 1200 16190 16310 16410 16500 12100 750 900 12180 12230 Eng Size Material Series NEG 3 Phase Series NEA Single Phase Series NED Direct Current entm al Force EExell 3000 NED 50100 NED 50200 NED 50500 3600 NED 601110 NEG NEA 50 Al 60 Al 100 Al 101 Al 110 Al 120 Al 130 Al 133 Al 101 Al 110 Al 120 Al 130 Al 133 Al 110 Al 120 Al 130 Al 133 Al 120 Al 130 Al 133 Al 102 Al 103 Al 122 Al 133 Al Unbalance cmkg NEG NEA 50Hz 60Hz 0 08 0 08 0 39 0 39 0 91 0 91 1 272 1 272 2 4 2 4 4 2 3 0 6 02 4 08 9 99 6 48 15 59 10 40 19 8 13 2 23 0 16 5 P 6 2 4 2 16 84 11 76 32 6
21. 52 193 XS 4 100 180 NEG 12100 2051205 355 192 217 105 140 ue 99 143 137 168 XS 4 NEG 12180 28 0 28 0 III 392 212 238 ss 94 105 168 163 193 XS 4 i 92 128 167 203 12230 34 6 34 6 Il 442 217 217 100 180 93 5 140 168 152 193 XS 4 65 140 NED 50100 5 7 204 147 162 1115 35 135 115 88 45 100 157 117 XM 4 74 80 106 110 65 115 140 135 NED 50200 6 0 253 147 162 74180 106 110 88 53 100 142 117 XM 4 NED 50500 13 1 II 288 203 167 105 140 82 5 65 145 140 160 XM 4 NED 601110 20 II 308 215 205 120 170 94 63 168 160 182 4 Variable mounting pattern see operating manual Recommended mounting pattern in bold type N NetterVibration Unbalance Type XLs Unbalance Type XS Netter Electric External Vibrators Series NEG Single Phase Type Housing Unbalance Centrifugal Force EExell Power Input Nominal Current Weiqht 9 Size Material cmkg kW A kA 50 Hz 60 Hz 50 Hz 60 2 50 60 gt 50Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 400 V 480 V 400 V 480 V NEG 501540 140 a 30 6 20 4 15 103 14 499 4 1 4 1 45 2 3 2 0 34 3 32 8 501800 35 8 25 6 17 669 18 195 T3 2 0 2 0 3 3 2 9 35 1 33 6 502020 150 GGG 41 0 25 6 20 236 18 195 T3 2 2 22 3 5 3 0 49 47 SS 502270 46 0 30 6 22 704 21 748 T3 2 2 2 2 3 5 3 0 50 49 503400 170 GGG 65 6 43 7 32 364 31 052 3 8 3 8 6 2 5 4 106 102 503820 76 5 54 6 37 764 38 827 4 0 4 0 6 5 5 6 107
22. 9 5 8 207 62 74 106 44 4 80 110 143 165 115 135 86 100 156 123 50200 6 5 6 3 223 135 115 52 4 124 110 65 140 80 110 115 135 50300 10 2 10 0 247 173 165 135 115 103 50 124 156 146 XM 4 124 110 90 125 100 180 NEG NEA 50550 16 3 16 1 283 192 217 105 140 113 63 143 137 168 4 50770 22 6 21 6 II 308 212 238 5 94 63 168 163 193 XM 4 i 92 128 167 203 NEG 50980 24 5 23 4 501140 250 240 II 314 217 217 100 180 93 5 76 168 152 193 XM 4 65 140 NEG 2530 6 1 ao 207 62 74 106 44 4 80 110 143 165 115 135 86 100156123 2570 is 6 9 243 139 115 62 4 124 110 65 140 80 110 1153154195 NEG 25210 12 8 118 307 173 165 135 115 103 80 124 156 146 XS 4 124 110 90 125 NEG 25420 207 19 7 9355 100 180 99 NEG 25540 EI 391 ie a 105 140 is 117 ir 188 a i 100 180 NEG 25700 29 4 28 4 Il 392 212 238 92 128 167 203 94 105 168 163 193 XS 4 NEG 25930 940717321 Il 442 217 217 100 180 93 5 140 168 152 193 XS 4 65 140 NEG 1630 12 0 10 1 247 80 110 50 XM 115 135 173 165 135 115 103 124 156 146 4 1690 12 7 12 7 307 124 110 80 XS 90 125 100 180 NEG 16190 20 5 20 5 355 192 217 105 140 113 99 143 137 168 XS 4 NEG 16310 28 9 27 0 Il 392 212 238 100 1160 94 105 168 163 193 XS 4 92 128 167 203 16410 34 1 33 6 16500 36 1 35 1 III 442 217 217 100 180 93 5 140 168 1
23. IX JX X X X IX X XIX XIX X X X X X X X IX X X X X X X X X X X X X X X X X X X IX X X X X X X X X IX X X X X X X X X X X X X X X X IX XIX X X X X X X IX X X X X X X X X X X X X X X X X X X X X X X X X XIX X X X X X X X X XIX X X X X JX X X X JX X X X X X X JX XIX X X X X X X X X X X X X X X X X X X X X X X X X XIX X X X X X X X X X IX X X X X X X X X X X X X X X X X X X X X XIX X X XXIX X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X XxX X X X XX X IX X XXIX X X X X X X X X X X X IX X X X X X X X X X X X X X X X X X X X X X X X XIX X X X X X X X X X X X X X X X X X X X IX X X X X X X X X X X X X X X IX X XIX X X X X X X X Xx 92 93 94 95 96 97 98 99 100 101 102 103 1041105 106 107 t08 109 110 1111112 11311141115 116 117 118 110 EET 121 122 123 124 125 126 127 128 D mm 11 6 3 Electrical connection The electrical installation of the vibrators must be conducted by Fes authorized qualified personnel only The qualified personnel must use only insulated tools which are suitable for the application In accordance with its 7 TerminalplanII connected voltage the series NEG Alternating current 3 phase circuitry specified in the Lower voltage Higher voltage terminal box must be connected as follows IMPORTANT The green yellow conductor 1 the earth conductor and must only
24. Screw a long screw with identical thread into a tapped bore for the fastening screws 29 of the cover for the unbalance Place a chisel between unbalance discs and this screw Loosen locking nut 25 Fig 1 The unbalances can be pulled off after unscrewing locking nut 25 Unbalances of type XS 15 Fig 2 The unbalances can be pulled off after removing circlip 23 and loosening clamping screws 22 4 Removing bearings 8 e Up to housing size 120 remove circlip 5 e From housing size 130 unscrew socket head cap screws 12 and disassemble flange 10 Remove circlip 5 from flange 10 5 Replace both bearings 8 or clean off all old grease e g with gasoline and fill evenly with the specified quantity table of new grease Klueber Staburags NBU 8 EP 6 Assembly is performed in reverse order Tighten locking nuts 25 and socket head cap screws 12 22 with the specified tightening torque Fig 1 Fig 2 22 11 Spare Parts When ordering spare parts you should always provide the following details 1 Type of unit 2 Description and position of the spare part 3 Required quantity Example NEG 50200 O Example NEG 25210 12 Appendix 12 1 Accessories The following accessories are available for electric external vibrators of series NEA and NEG Description Remark Compensation washers Compensation for removed unbalance discs CC unbalances Two
25. Transport and Storage La Check the packaging for possible shipping damage The units are packed ready for installation The name plate is attached to the vibrator If not specified differently the vibrator is delivered with an unbalances setting of 100 When transporting the vibrator make sure not to subject the vibrator to extreme shocks which could damage the bearings If damage to the packaging is found check the content for completeness and IMPORTANT possible damage In case of damage inform the forwarding agent The unit should be stored in a clean dry environment If the vibrator needs to be in storage for a longer period of time 2 years max the temperature in the store must not lie below 5 C or above 40 and the relative air humidity must not exceed 60 If the vibrator is operated in areas with explosive dust zones 21 and 22 a maintenance by NetterVibration is compulsory in case the unit was kept on EXPLOSION stock for more than a year HAZARD The transport eyes must solely be used to lift the vibrator CAUTION If the vibrator is fitted with two transport eyes both of these should be used for lifting The lifting angle must not exceed 45 6 Installation The installation of the vibrators must be conducted by authorized qualified personnel only IMPORTANT The qualified personnel must use only tools which are suitable for the application During installation pleas
26. can cause damage to persons and material Recommended tightening torques for screws property class 8 8 screws as supplied without additional lubrication Typeofscrew 6 8 M10 M12 M16 M20 M22 M24 27_ Tightening torque Nm Use a torque wrench and tighten the screws in a crosswise pattern 10 th variable mounti ttern maximum fastening dimension 203 mm ing ign wi The bushings enable an infinite adjustment of the fastening dimensions Vibrators of housing size 130 have a variable fastening foot This foot is equipped with 4 bushings which can be rotated by 360 D from 92 to 128 mm and E from 167 to 203 mm 6 2 Housing foot des maximum fastening dimension 128 mm 92 minimum fastening dimension g dimension 167 mm uU gt mensions Variable fastening d IE mm E IBS mm D 4 o S um 9 gt a O O gt O O D 42 5 4 D O 4 O Ka c o 9 D E OQ C D C m O O LL C O E O O O O Cc lt O X LLI X X X X X X X X X X X X X X X X X X X X X IX X X X X X X X X X X X X X X X X X X X IX
27. ded can result in death or serious injury referring to a possible risk which if not avoided can result in serious injury and or equipment damage referring to a possible risk which if not avoided can result in serious injury and or equipment damage referring to a possible risk which if not avoided can result in serious injury and or equipment damage note with especially useful information and tips refers to the obligation of the environment friendly disposal 2 Safety Intended use The vibrators are intended for installation in machines according to the device group and the device category These machines use vibrations for sieving loosening conveying compacting and separation of bulk materials Any other use is considered not intended Qualification of the personnel Any use of electric vibrators is the responsibility of the operator There are no independent safety devices available To ensure the proper operation and safety accessories must have an appropriate degree of protection for the specific purpose Mounting connection operating and maintenance must be performed by authorized qualified personnel only Netter electric external vibrators generate vibrations The operator of vibration machines must protect employees from actual or potential danger to their health and safety due to the effect of vibrations CAUTION Netter GmbH does not assume liability for damage or injur
28. e comply strictly with the safety regulations in chapter 2 and the safety regulations Installation of the system must be performed in compliance with the local applicable regulations e g VDE regulations IMPORTANT 6 1 Mounting of the vibrator Netter electric external vibrators can be operated in any position During installation the following notes must be strictly observed The mounting surfaces must be absolutely level 0 1mm flatness fault so that the feet of the vibrators have full area contact and to avoid warping of the housing when tightening the fastening screws The surfaces should also be free of any paint residues and weld penetrations Tensions in the housing can cause mechanical and or electrical CAUTION damage For safe fastening we recommend the use of Netter NBS screw connections consisting of screw special lock washer and if necessary nut Otherwise the vibrators can also be fastened with fastening screws of quality 8 8 DIN 931 or 933 These must be locked with qualified locking devices DIN 934 and retightened at regular intervals normally every month In critical installation situations the unit must be secured with clamp and steel rope CAUTION The tightening torques can be taken from the following table Higher tightening torques may cause fracture of screws or tearing of threads Inadequate screw connections may CAUTION cause loosening of vibrators vibration This
29. ed vibrators must only be used in atmospheres which will not damage the material of the device The terminal box cover must not be opened in a potentially explosive area or during current flow The complementary regulations and instructions for hazardous areas must be observed During initial operation the current consumption must be measured individually in all three phases and should comply with the data on the type plate By adjusting the unbalances you can influence current consumption centrifugal force and working moment see chapter 9 Adjustment of unbalances Retightening ocrew connections must be checked and if necessary retightened after 1 hour of operation after initial start up and then at regular intervals normally every month 15 8 Adjustment of unbalances All vibrators of series NEA NED and NEG offer the possibility of adjusting the unbalances w If you have not specified any special data the units will be shipped with standard setting 100 By adjusting the unbalances you can directly influence the vibration amplitude the centrifugal force and the current consumption IMPORTANT On all units the unbalances must only be adjusted symmetrically CAUTION mirrored Listing of type and number of unbalances per vibrator at standard setting of 100926 504 X 8 8 5020 XL 8 8 50 Hz 60 Hz NEG
30. efficiency at a low temperature of the motor the stators of the asynchronous motors are made of electric sheet steel with a low dissipation factor vacuum resin cast stators are a particular quality feature The dried resin bonds housing and stator as inseparable unit which is robust and tropical proof From housing size 140 the stators are trickle impregnated With this method the spaces between the individual windings are completely filled and a vibration resistant seating of the complete unit is achieved Motor protection by installation of a PTC thermistor 130 C standard from size 170 DIN 44081 und DIN 44082 Protection by housing tD for use in areas with explosive dust atmosphere The motor shaft is made of heat treated round alloy steel The special bearings are over dimensioned for excessive loads and high speeds For speed regulation with frequency converters all units are suitable The housing of sizes 50 to 140 are made of an aluminium alloy The housing of sizes 150 to 210 are made of high tensile nodular cast iron Due to powder coating the paint finish is highly weather resistant as well as resistant against abrasion impacts and a wide variety of chemicals Colour traffic black The unbalance masses are adjustable Type XS infinitely Type XM in 1096 steps Type XLs in 20 steps Type XL removable discs e The covers of the unbalances are made of stainless high grade steel 5
31. etting of unbalances Reduce the unbalance G ka Short circuit in winding Replace the vibrator High current Natural resonance range Check the current consumption of vibration system consumption Check the current Reduce the power of Impact consumption the vibrator Fastening loose Tighten the screws Bearings Too much grease in Fill in correct quantity of grease Klueber Staburags overheating bearings NBU 8 EP Fill in correct quantity of grease Klueber Staburags NBU 8 EP Replace the vibrator Replace fuse or cable Stiffen the device No grease in bearing Foreign body in bearing Clean bearing replace if necessary 19 10 Service Maintenance When working on the vibrator it must be isolated from the mains supply do so please proceed as follows YV 1 Switch off the vibrator POWER 2 Secure it against switching on SUPPLY 3 Make sure it is deenergized CAUTION CAUTION The following maintenance work has to be carried out at regular intervals by authorized and specialized staff with good knowledge of the standards EN 61241 17 zones 21 and 22 a Checking of the screwing connections b Checking of the ball and roller bearings Relubricating of roller bearings Checking of operating hours service life of bearings Checking of cable supply line Replacement of o rings and plastic seals every two years Other maintenance and repair work are to be carried out by NetterVibration exclusively Authorized and
32. mistor This regulation does not apply if the unit is not equipped with a PTC thermistor Sound level Depending on type lt 70 dB A The sound level is determined to a great extent by the surface upon which the vibrator is mounted e g sheet metal The sound level will be amplified by non silenced sheet metal 6 Please refer the type plate for the technical data of your electric external vibrator CE NetterVibration 55252 Mainz Kastel Tel 49 6134 2901 0 NV Type designation lt Duty cycle Rotary speed gt lt Centrifugal force Voltage gt lt Frequency Current lt Power Phases lt Insulation class Serial number Degree of protection Temperature class T D Type designation gt Duty cycle Voltage gt Centrifugal force Current lt Rotary speed Frequency Phases Capacity gt lt Power input Power factor NE lt Power output Year of manufacturing amp Insulation class Serial number gt lt Max Ambient temperature WAY BE USED WITH PWM INVERTER CT 20 HZ TO BASE FREQUENCY TE CHPDIV WIDE ENG 1 K 9 7 1 For detailed technical data vibrators please refer to the charts in the middle section of these operating instructions removable 4 Design and function e The electric motor for series NEA NEG is an asynchronous motor for series NED it is a DC motor achieve a high rate of
33. nit Vibrators with defective bearings or with bearings which have reached the end of service life have to be sent to Netter Vibration for exchange immediately The condition the ball and roller bearings must be regularly checked The replacement of damaged bearings or bearings which have reached the end CAUTION Of their service life must be conducted by Netter Vibration Grease quantity for lubrication and when replacing bearings De na ne Type Fettmenge g Bearing lifetime Bearing lifetime quantity 9 50 Hz h 60 Hz 50 Hz h t 60 Hz h SEE aE SR NEG 1630 gt 100 000 gt 100 000 NEG 1690 gt 100 000 gt 100 000 504 Pemn lubrcation gt 100 000 gt 100 000 NEG 16190 00000 NEA 5020 Perm lubrication 92 118 22 745 NEG 16310 Perm lubrication gt 100 000 gt 100 000 16410 9 gt 100 000 100 000 NEA 5050 Perm lubrication 8 087 2 236 NEA 5050 lubrication 8 087 2 236 16500 9 100 000 39 516 Perm lubrication NEA 50120 Perm lubrication 18 075 18 075 200009 ona 161130 Perm lubrication 4 a NEG 161420 25100 20000 161660 29 165 29 270 NEA 50550 lubrication 4 148 4 219 NEA 50770 Perm lubrication 7 509 6 257 NEG 162150 11 800 10 400 162550 17 701 12 292 NEG 5050 Perm lubrication 92118 52745 163030 41 500 30 500 163820 60
34. specialized staff is allowed to effect the following work on the vibrators regulation of the unbalances incl removal of the unbalance covers The electric connection incl block cover removal of the terminal Please observe the safety instructions in chapter 2 when service on the unit is done Retightening ocrew connections must be checked and if necessary retightened after 1 hour of operation after initial start up and then at regular intervals normally every month The specified torque must thereby be observed see chapter 6 1 Lubrication Vibrators up to casing size 120 are equipped with ball bearings These are lifetime lubricated permanent lubrication From housing size 130 the units are fitted with roller bearings these are lubricated with grease of type KLUEBER Staburags NBU 8 EP This grease has the advantage that the bearings are lubricated for a period of at least 5000 operating hours up to 3000 rom After this time the grease in the bearings must be completely renewed Vibrators with speeds exceeding 3000 rpm must be lubricated regularly in intervals of approx 1000 operating hours Under severe operating conditions the lubrication intervals must be considerably reduced 20 Service life of ball respectively roller bearings If the vibrator is used in potentially explosive dust atmosphere the operator has to control the condition of the bearings and the operating time of the complete u
35. t not be opened in a potentially explosive area or during current flow If the terminal box cover or unbalance covers are opened check the condition and correct positioning of the seals Damaged seals must be replaced immediately The electric lines have to be laid with care It has to be avoided that the cables can be chafed through by vibrating parts condition of the electric lines incl plugs has to be checked at regular intervals normally every six months Defects which are discovered have to be eliminated immediately Protect the cable against high temperatures lubricants and sharp edges The ends of the leads must be fitted with isolated cable clips to prevent the strands from splaying The maximum cable clip sizes are shown in the following list Set screw M4 max AWG 18 Set screw M5 max AWG 16 Set screw M6 max AWG 12 Set screw M8 max AWG 12 13 Tighten junction plate nuts using the prescribed torque Be careful not to forget the safety washer between the rng and the nut and to replace the vibration damping insert DANGER 4 3 1 Nm 5 6 1 Nm 10 4 Nm Each vibrator must be connected to a suitable overload protection For dual operation the motor protection switches AW must be interlocked to ensure that in the x Jevent of one motor breaking down the motors simultaneously This is to prevent uncontrolled vibrations arising which could cause damage to the equipment
36. ust use only insulated tools which are suitable for the application Fault Possible cause Trouble shooting Remedy Check fuse and connecting Replace fuse or Vibrator does i Phase interruption connecting cable not start or runs with too Check mains voltage and Correct mains voltage low speed Mains voltage too low cable cross section replace cable Wiring fault Check with terminal plan Insufficient a Check connection in Tighten terminal nuts connecting terminal terminal box Check fuse and connecting Replace fuse or Vibrator Phase interruption connecting cable speed drops under load Incorrectly dimensioned connecting cable Overload Check setting of unbalances Reduce the unbalance Check mains voltage and Correct mains voltage cable cross section replace cable Check cable cross section Replace the cable Mains voltage too low One phase without Phase interruption current Excessive Wiring fault heating of Overload stator Check mains voltage and Correct mains voltage winding Mains voltage too low ble cross section replace cable Vibrator Check fuse mains voltage Correct mains voltage humming p and connecting cable replace fuse or cable Check the connecting Replace the cable cable Check with terminal plan Turn to turn fault in the stator winding Circuit Phase interruption Check fuse and connecting breaker fails cable when Overload Check s
37. y resulting from technical modifications to the product or failure to observe the AUTION instructions and warnings in this operating manual P O Live parts can cause severe or even deadly injury gt lt G m JJ When working on the vibrator it must be isolated from the mains supply To do SO please proceed as follows 1 Switch off the vibrator DISCONNECT POWER 2 Secure it against switching on a lt SUPPLY 3 Make sure it is deenergized The vibrator must not be touched during operation or shortly after switching off The surface of the vibrator may become very hot HOT during operation so that there is a risk of SURFACE burning gt electric external vibrators are built accordance with the latest directives Before using these vibrators the operator must ensure that there is no risk of explosion due to the introduction of vibration energy EXPLOSION installation and operation of the vibrators is to be carried out in accordance HAzARD With the ATEX regulations for operation in potentially explosive environments the requirements of the local electrical engineering associations e g VDE and the familiar accident prevention rules 3 Technical Data Mains voltage and frequency NEA and series Voltage and frequency see details on type plate NED series direct current 12 V or 24 V Power supply by means of e fixed voltage and frequency or e
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