NOsparc™ MMYAC User Manual 104
Contents
1. 5 to 95 non condensing FREQUENCIES typical operating frequencies 50Hz 60Hz INTERFACE WIRES across contacts two 2 W1 W2 non polarized LEAKAGE CURRENT 10mA nominal PRINTED CIRCUIT BOARD PCB MOUNTING orientation any see BOARD AFFIXATION section of User Manual four plated through holes 0 038in diameter on Printed Circuit Board PCB OPERATING VOLTAGE 277Vac nominal POWER ON load current passthrough Y cycle maximum POWER TYPE AC alternating current RELIABILITY MTBF 50 000 years MIL HDBK 217F TERMINATION two 0 025in square post dual posts 0 1in center TERMINATION MATE four plated through holes 0 038in diameter on Printed Circuit Board PCB WEIGHT net weight 10z 28g Page 7 of 9 ARC SUPPRESSION TECHNOLOGIES FOOTPRINT AND CASE DIMENSIONS PCB FOOTPRINT Arc Suppressor CASE DIMENSIONS 0000 a 4004 i 0 775 pep A AOS A ON OS e 0 005 0 005 P 0 925 1 070 0 925 1 070 0 930 0 930 Lk M a LIE x 0 470 each a 1 000 E 0 170 foot iS A URRETA gt A AN gt 0 070 A To R square 0 575 47 Et 0 435 ksss OTE lt a 0 265 0 470 peste rr t 0 100 p 0 100 0 100 e i 0 080 q a 0 065 mii BOARD AFFIXATION WAVE SOLDERING GUIDELINE Arc Suppression Technologies recommends using a rosin based non corrosive flux during the wave solder process The2. NOsparc MMYac is completely epoxy sealed WATER WASH GUIDELINE Arc Suppression Technologies recommends using a de ionized water cleaning process The NOsparc MMYac is completely epoxy sealed HAND SOLDERING GUIDELINE Arc Suppression Technologies recommends using a rosin based non corrosive flux solder wire using a 60W maximum soldering tool Solder tool should not touch terminals for more than five 5 seconds Optimal solder temperature is 350 C NOsparc MMYAC User Manual DEFINITIONS Arc Current Arc Suppression Duration o Break Current Cycle Time Inductive Load Inrush Current Inrush Current Limiter coo Power On Passthrough RC Snubber Snubber 006 Suppression Varistor Clamping Voltage onccSiccsroneden Maximum Varistor AC Voltage Page 8 of 9 Plasma flow supported between open contacts Time during which the electrical current contact arc is arrested Device designed to reduce contact arcing Action of a contact which transitions from close to open One or more brief transition s to the OPEN state as the contact is closing orto the CLOSE state as the contact is opening Contact current during Break Time between successive ON or OFF contact states Motor or transformer form the main part of the load Resulting turn on current when powering an induct
3. contacts by a factor of 100 times or more under normal specified operating conditions please refer to the relay contactor or snap action switch specifications The natural end of life EOL is failure in one of the following three modes 1 Contact fails closed 2 Contact fails open 3 Contact fails with resistance This inevitable EOL can be extended out even further with the proper use of a NOsparc MMYAC SYSTEM WIRING NOsparc MMYAC has two male quick connect terminal which must mate with two properly crimped female quick connect terminals In order to provide effective arc suppression the two wires between NOsparc MMYAC and the relay contactor or snap action switch contact terminals should be as short as possible Arc Suppressor Page 5 of 9 ARC SUPPRESSION TECHNOLOGIES NOsparc MMYac has two dual post pins for mounting on a printed circuit board for the relay or contactor requiring contact protection In order to provide effective arc suppression the two traces between NOsparc MMYac and the relay or contactor contact terminals should be as short wide and thick as possible per the following NOsparc System Wiring Diagram Circuit Breaker O L U L 1 2 or 3 Fuse O Main Shut Off Switch Thermal Limiter Process Control Controller Inputs O Neutral or L l 2 or 3 For simplicity reasons one phase shown only NOsparc AC POWER PRODUCT FAMILY Thermal L
4. national and international standards CAUTION or WARNING The electrical hazard symbol a lightning bolt in a triangle precedes an electric shock hazard It describes a potential electrical shock hazard which can result in personal injury or death Electrical Shock NOTE describes any item of interest to the user Hazard CAUTION or OWNEF or operator WARNING WARNINGS Page 3 of 9 ARC SUPPRESSION TECHNOLOGIES Follow extreme caution when applying NOsparc MMYAC to trip and close contacts or in circuits N containing elements that can be energized by a 1 2 power cycle pulse This User Manual must be thoroughly understood and accurately followed to avoid unintended equipment operation The assembly must conform to National Electric Code NEC safety standards as well as locally applicable codes Failure to do so could result in personal injury or loss of life See the product rating curve for wire gauge selection ambient temperature and current restrictions Follow extreme caution when conducting short cycle time tests especially below the maximum rated cycle time for the associated relay typically 3s Even at significantly reduced power levels through the contacts the relay contacts can become extremely hot due to contact arcing and pose a fire danger ALWAYS FOLLOW THE RELAY MANUFACTURERS SPECIFICATIONS AND REQUIREMENTS Standard relays typically have a maximum short period cycle time of 1200 cycle
5. ARC TECHNOLOGIES NOsparc MMYAC MMYAC1W277 PATENTS PENDING DA gt Arc Suppressor Arc Suppression for AC Power Relays Contactors and Snap Action Switches User Manual A US 104 0003F ARC SUPPRESSION TECHNOLOGIES NOsparc MMYAC User Manual O 2013 Arc Suppression Technologies LLC All rights reserved TABLE OF CONTENTS MPORTANTNO TES puto pie be alo oeste cosa ter 3 e TRADEMARKS e APPLICABLE DOCUMENTS SAFETY INFORMATION OVERVIEW cuisine e WARNINGS e SAFETY PRODUCT DESCRIPTION cosas e BACKGROUND e ARC SUPPRESSION AND CONTACT PROTECTION LIFE SUPPORT LEGAL NOTICE CAUTIONS NOTES CHARACTERISTICS RELAY END OF LIFE EOL SIEM anat id das 6 SPE AFCON S aa IS EA AE AAA AA dd 7 e ARC CURRENTS e LEAKAGE CURRENT e ARC SUPPRESSION e MOUNTING e CIRCUITS POLES e OPERATING VOLTAGE e CIRCUIT FUSE RATING e POWER ON e CLAMPING VOLTAGE e POWER TYPE e CONTACT CYCLING e RELIABILITY e DIMENSIONS e TERMINATION e ENVIRONMENTAL e TERMINATION MATE e FREQUENCIES e WEIGHT e INTERFACE WIRES NOspareV AC POWER RROD CEA a cases 7 e PART NUMBER AND PRODUCT DESCRIPTION CASE SPECIFICATIONS AND MOUNTING satinado A A A 8 e CASE DIMENSIONS e PANEL MOUNTING DERIO NS coartada aia adas 8 WARRANTY RAE ON 9 TECANICAE OR ce ia tc E A E A A E A A A tea are 9 CONBITMONS FOR ERVI CE casar ro aba 9 RETORN ROBER a EA A ae hha aloha ea elena lit 9 RETURN MATERIAL AU TRORIZATIONGAND PROCES O rn
6. a low energy arclet with arc energy of only a few uJ as opposed to a full contact arc that is hundreds of mJ or more This allows an arc suppression factor to be calculated from the difference in energy More information is available in lab notes and application notes on our website ADD HOW DOES IT WORK Please note that this residual arclet is important as it both burns through the protective thin film coating during initial operation and subsequently cleans of the contact surfaces during normal relay operation The effects of the destructive power of arcing is depicted in the pictures below Without Arc Suppression Unused Contacts Suppression NOsparc MMYAC User Manual CHARACTERISTICS NOsparc MMYAC extends contact life without requiring any external control wires power wires or any other wires other than the two contact terminal wires that are used to connect the device to the associated power relay contactor or snap action switch NOsparc MMYAC requires only two wires to monitor the contact status in order to suppress the contact current arc in the instant when the contact transitions from close to open state RELAY END OF LIFE EOL Every relay has a finite operating lifetime For example If a power relay with a 100 000 cycle electrical life is operated once every minute 60s it will reach its EOL in a mere 69 days NOsparc MMYAC extends the inevitable end of life of
7. e casas A doo ds 9 CONTACTINFORMATION crasas raid er retort mere ren tire ete teen 9 Page 2 of 9 ARC SUPPRESSION TECHNOLOGIES IMPORTANT NOTES This document provides information required to install a NOsparc arc suppressor You must read and understand this document before installing this device If you have any problems with your installation please refer to Technical Support contact information on the last page of this manual TRADEMARKS e NOsparc and the flame logo are trademarks of Arc Suppression Technologies LLC e UL is a trademark of Underwriters Laboratories Inc All trademarks are property of their respective owners APPLICABLE DOCUMENTS Underwriters Laboratories UL 508 Industrial Control Equipment NKCR2 Auxiliary Devices Component A us File No 3446457 The above mark indicates that Underwriters Laboratories inc has certified the NOsparc MMYAC as a UL Recognized Component for both Canada and the United States LIFE SUPPORT Arc Suppression Technologies products are specifically NOT authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Arc Suppression Technologies As used herein A Life support devices or systems are devices or systems which support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
8. hould perform all repairs to a NOsparc MMYAC unit lt is the responsibility of users requiring service to report the need for service to their distributor or sales representative Any components devices or other equipment used with or adjacent to a NOsparc MMYAC device is the sole responsibility of the end user and not of Arc Suppression Technologies or any of its agents resellers representatives or distributors RETURN MATERIAL AUTHORIZATION AND PROCESS Authorization prior to returning product is required Please refer to your original purchase agreement or contact your distributor or sales representative for an RMA number and instructions before returning product NOTE Terms and conditions vary by distributor and representative Please refer questions to your distributor or sales representative CT IPDDDECCIOW ARC SUPPRESSION T TECHNOLOGIES 7900 INTERNATIONAL DRIVE SUITE 300 BLOOMINGTON MN 55425 612 928 5546 www ArcSuppression lechnologies com Your Comments We welcome your comments or suggestions on this User s Manual Page 9 of 9
9. imit Shut Off Relay Contact Thermal Limit Thermocouple O AC Power Load NOsparc MMYAC User Manual e Trace Length should not to exceed 12 e Trace width should be 0 1 minimum e Trace thickness should be 10z copper or heavier e All four pins must be firmly soldered and connected to the individual traces i e a dual pin connector for each trace Arc Suppression Technology Two Dual Pin Connectors Per Trace Part Number and Product Description Part Number NOsparc MHYAC1W27 MIM Y A c 1 W 2 7 7 Maximum Circuit Case Fuse Rating MM 50A Power Type Y PCB mount AC AC power Connector W two dual pins Voltage 277 277V Page 6 of 9 ARC SUPPRESSION TECHNOLOGIES NOsparc MMYAC User Manual SPECIFICATIONS NOsparc MODEL MMYAC MMYAC1W277 break steady state ARC CURRENTS 4 a make inrush ARC SUPPRESSION duration Y AC power cycle maximum CIRCUITS POLES one 1 unit per pole multiple units required for multi pole relays CIRCUIT FUSE RATING maximum 50A do not exceed fuse rating CLAMPING VOLTAGE 470V typical at 1mA CONTACT CYCLING maximum cycle time per relay specifications DO NOT EXCEED relay operating specifications length 1 000in 2 540cm width 0 470in 1 195cm height 0 920in 2 335cm operating temperature 40 C to 85 C 40 F to 185 F ENVIRONMENTAL storage temperature 50 C to 125 C 58 F to 257 F humidity
10. ive Capacitive or tungsten load Device intended to limit the amount of turn on current when powering an inductive Capacitive or tungsten load Action of a contact which transitions from open to close Contact current during Make Metal Oxide Varistor Mean Time Between Failures Current passing through the arc suppressor during initial power up Device with resistor and capacitor in series across contact Device designed to limit voltage rise times Action of minimization of undesired event Voltage at which steady state current through the arc suppressor is gt 1mA Maximum allowed voltage across the arc suppressor NOT operating voltage ARC SUPPRESSION TECHNOLOGIES WARRANTY Please contact your distributor or sales representative for warranty information TECHNICAL SUPPORT Please contact your distributor or sales representative with technical support and product support questions Have the following information available when contacting your representative e Model Number e Serial Number In certain circumstances direct product support from Arc Suppression Technologies may be reached via the following communication methods e support ArcSuppressionTechnologies com e htto arcsuppressiontechnologies com Support asox e 612 928 5546 CONTACT INFORMATION NOsparc MMYAC User Manual CONDITIONS FOR SERVICE In the event of a product malfunction Arc Suppression Technologies or an authorized agent s
11. labeling can be reasonably expected to result in significant injury to the user B A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness LEGAL NOTICE Information in this document is believed to be accurate and is provided solely in connection with Arc Suppression Technologies products Arc Suppression Technologies makes no warranties expressed or implied regarding the information contained herein NOsparc MMYAC User Manual Arc Suppression lechnologies assumes no liability for errors and omissions that may occur in this document Arc Suppression lechnologies reserves the right to make changes corrections modifications or improvements to this document and the product described herein at any time without notice This product is sold pursuant to Arc Suppression Technologies terms and conditions of sale Arc Suppression Technologies assumes no liability otherwise arising from the application or use of any such information or product for any infringement of patents or other intellectual property rights owned by others which may result from such application or use Purchasers are solely responsible for the choice selection and use of the product described herein and Arc Suppression Technologies assumes no liability whatsoever relating to the choice selectio
12. n or use of this product No license expressed or implied by estoppel or otherwise to any intellectual property rights is granted under this document If any part of this document refers to any third party oroducts or services it shall not be deemed a license grant by Arc Suppression Technologies for the use of such third party products or services or any intellectual property contained herein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein Arc Suppression Technologies only accepts products for repair or return that are accompanied by a Return Material Authorization number from the appropriate distributor or sales representative Please refer to your original purchase agreement or contact your distributor or sales representative for return policy information SAFETY INFORMATION OVERVIEW We use note caution and warning symbols throughout this book to draw your attention to important operational and safety information WARNING describes an alert with information that is important for protecting personnel and equipment from damage CAUTION describes any condition that could result in damage to the equipment or result in physical harm to personnel The SAFETY alert symbol an exclamation mark in a triangle precedes a general CAUTION or WARNING statement It describes safety requirements to meet local
13. parc MMYAC products AC power applications are a family of two terminal contact arc Suppressors that attach across the contact points of a power relay contactor or snap action switch The products are designed to protect the contact points from premature destruction due to contact current arcing BACKGROUND Electromechanical power relays contactors or snap action switches operating without load current may have potential mechanical lifetimes of 10M 20M or even more operations cycles This mechanical lifespan however is reduced to as few as 5 000 operations to perhaps 100 000 operations depending on application and specifications when the under power This is mainly caused by the deleterious effects of load current arcing across the contacts as they break or bounce Arc Suppression Timing Diagram Current Through Contact Bounce Make Contact Closed Break Contact Open Voltage Across Contact Arc Suppression Pulses Page 4 of 9 ARC SUPPRESSION TECHNOLOGIES The arcing across the contacts is literally a small lightning bolt as shown below Left Relay contacts at rest Right Electrical contact current arc across the contact points of the same relay Pictures 2011 Arc Suppression Technologies all rights reserved ARC SUPPRESSION AND CONTACT PROTECTION NOsparc MMYAC detects the nascent arc as it forms and suppresses its energy all within about 5us 5 millionths of a secona The result is
14. s per hour Only authorized and qualified personnel should install and service the NOsparc MMYAC Failure to comply with these recommendations may result in damage to equipment and property and injury to personnel Always test the function and performance of NOsparc M MMYAC in the intended application An arc suppressor DOES NOT eliminate arcing therefore use of the NOsparc MMYAC will not eliminate hazards associated with electrical current contact arcing SAFETY All creepage distances and clearances of NOsparc MMYAC have been designed to meet requirements of safety standards When using NOsparc MMYAC basic safety precautions should always be followed to reduce risk of fire electric shock and injury to persons When installing NOsparc MMYAC into your system make sure that the Quick Connect Terminal connector is properly crimped terminated insulated and that the proper wire gauge is used and that the connector is securely seated Incorrect application or termination can result in harmful or fatal electrical shock or component damage CAUTIONS The NOsparc MMYAC will pass a leakage current see specifications even though the contacts across which it is connected are open similar to leakage present with snubber use This capacitive leakage current can be sufficient to turn on some solid state and electromechanical relays or to cause electric shock to personnel Therefore e The NOsparc MMYAC m
15. ust never be connected across relay contactor or snap action switch contacts driving high impedance loads e The NOsparc MMYAC must never be connected across relay contactor or snap action switch contacts used for galvanic safety isolation NOsparc MMYAC User Manual Proper care must be taken when handling and installing NOsparc MMYAC Never plug or unplug NOsparc MMYAC while powered Do not connect NOsparc MMYAC directly to power Use caution when installing or modifying power connections NOTES Connect NOsparc MMYAC across the power switching relay contactor or snap action switch contacts only NOsparc MMYAC capabilities will be fully effective even under mixed load conditions NOsparc MMYAC has been designed to support the following AC power loads e General Purpose e Inductive e Ballast e Resistive e Motor e Pilot Duty e Capacitive e Tungsten DO NOT use NOsparc MMYAC for DC power applications DO NOT use NOsparc MMYAC under the following power conditions e Non sinusoidal power circuits e Phase controlled power circuits DO NOT connect NOsparc MMYAC across the following components e Fuses e Circuit breakers e Safety interlocks e Thermal limits DO NOT use NOsparc MMYAC either above or below its ratings or specifications DO NOT operate the contacts to which the NOsparc MMYAC is attached above or below their ratings or specifications PRODUCT DESCRIPTION NOs
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