Instruction Bulletin Square D Clipsal 36M Enclosure
Contents
1. C PES m amp y se o G 2006 Schneider Electric All Rights Reserved Square D Clipsal 36M Enclosure The AC power outlets models SDM8AC and SDM4AC mount inside the enclosure to provide a location for power supplies Figure 7 AC Power Outlets ao SDM4AC GROG G We CI UD SDM8AC e SDM4AC will accommodate two standard duplex receptacles not included providing four outlets e SDMB8AC will accommodate four standard duplex receptacles not included providing eight outlets e UL Listed The AC power outlet is easily mounted into the enclosure using the hardware provided It is typically mounted in the bottom corner of the Class 2 side of the enclosure Low voltage wires exit the AC power outlet through the grommets provided The grommets can be cut to accommodate the wiring as shown in Figure 8 1 Position the outlet box in the desired location within the 36M enclosure Orient the box so that the grommet side is closest to the DIN rails For example if the outlet will be mounted in the bottom of the enclosure the grommet side of the outlet box will be pointing up 2 Line up the mounting holes on the back of the outlet box with their corresponding holes on the mounting pan 3 Attach the outlet box to the mounting pan with four 6 x 0 25 in sheet metal screws included with the outlet 4 Tighten each screw to 22 22. 37086 615 287 3400 www SquareDLightingControl com a brand of Schneider Electric 63249 420 208A1 06 2006 Square D D Clipsal and C Bus are trademarks or registered trademarks of Schneider Electric and or its affiliates in the United States and or other countries Electrical equipment should be installed operated serviced and maintained only by qualified personnel No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material 2006 Schneider Electric All Rights Reserved DENEN
3. 6 lb in 5 Attach the receptacles to the outlet face plate using the screws supplied 6 Connect AC power wiring to each receptacle in compliance with national and local electrical codes 7 Position the outlet face plate and receptacles over the outlet box 8 Attach the face plate to the outlet box with four 6 32 x 0 25 in screws included with the outlet Square D Clipsal 36M Enclosure Installing DIN Mounted C Bus Units Figure 10 Mounting C Bus Unit on DIN Rail 63249 420 208A1 06 2006 Determine locations for each Clipsal DIN unit Most Clipsal DIN units use wiring terminals that are positioned inside the channel created by the horizontal barrier Depending on the unit selected and the application the connected wiring will be either Class 1 or Class 2 The horizontal barrier will maintain separation of circuits between rows of units It is ideal to position all units with the same connection type in the same row See Figure 9 Figure 9 C Bus Unit Installation Example L barrier shown in optional configuration Analog Output PC Interface Power Supply D e oO xe fe s n 7 amp O KEY Wiring Type ig Class 1 Plug Pack L cies 2 8 Channel Dimmer General Input C Bus unit of DIN rail lt I U For installations in which Class 1 and Class 2 conductors will be present in the same horizontal channel locate units requiring Class 2 conne
4. 63249 420 208A1 n n 06 2006 Instruction Bulletin La Vergne TN Square D Clipsal 36M Enclosure For Square D Clipsal DIN Mounted C Bus Modules Retain for future use Introduction This bulletin contains instructions for installation of the Square D Clipsal 36M enclosure and accessories The 36M enclosure provides three rows for mounting Clipsal DIN mounted C Bus units Each row has the capacity to hold one 12M unit one 8M unit plus one 4M unit or three 4M units The enclosure system see Figure 1 consists of a cabinet a mounting em Pareno pan assembly and a cover assembly The cabinet is ordered Enclosure separately allowing it to be installed beforehand for rough in of field wiring Cabinet 40 in SLC36C The mounting pan and cover assemblies are shipped together and include Mounting pan and cover assemblies the accessories described in footnote a in the table at left The table also oe ne a aA sLosemsa sts optional accessories that can be ordered to meet the needs of a with white flush mount cover SLC36MFW particular installation ee Ronos ee Figure 1 Clipsal 36M Enclosure System Neutral bar 18 terminal PK18GTA Neutral insulator kit PKGTAB Ground bar 23 terminal PK23GTA Isolated neutral terminal strip 10 position amp f SLCNT10 Power Outlets Two duplex receptacles SDM4AC Four duplex receptacles SDM8AC Miscellaneous Door latch locking PK4FL Filler plate 4M SLC4CSF8 L ba
5. ctions nearest to the designated Class 2 gutter This will prevent crossing of Class 1 and Class 2 conductors in the horizontal channel and make it possible to route wires to maintain physical separation of at least 0 25 inches as required by national and local electrical codes Install the C Bus DIN mounted units on the DIN rail using the instructions supplied with the units See Figure 10 Refer to the installation instructions supplied with the DIN mounted C Bus units for additional wiring instructions 2006 Schneider Electric All Rights Reserved 63249 420 208A1 06 2006 Installing Horizontal Barrier Covers Connect Communication Cables Installing the Filler Plate Installing a Locking Door Latch Attaching the Cover Assembly 2006 Schneider Electric All Rights Reserved Square D Clipsal 36M Enclosure Six horizontal barrier covers are provided with the 36M enclosure system Each cover has a series of tabs that allow the cover to be snapped onto a horizontal barrier The top and bottom barriers are each shielded by a single cover The middle two barriers are each shielded by two covers interlocked together as shown in Figure 11 Figure 11 Installation of Horizontal Barrier Covers Barrier cover Horizontal barrier eS Each Clipsal DIN Mounted unit has a pair of RJ 45 jacks for connecting the Class 2 C Bus network Connect all units together using the C Bus jumper assemblies provided with the
6. d back to the load center Each terminal pair functions like a permanently mounted wire nut The following illustrations use Clipsal DIN relay and dimmer units to show methods of neutral circuit termination and the proper application of solid and isolated neutral terminals A single Clipsal DIN unit and a small number of loads are shown for simplicity Relay units have isolated pairs of relay contacts In many applications the line side of several relays will be connected together to share a common feed circuit However unless all relays are connected to share a common feed circuit a relay unit will receive power from multiple feed circuits In comparison all output channels of a dimmer unit receive power from one common line terminal The methods described can be mixed in within an enclosure installation provided that the wiring practices follow the concepts shown and comply with all national and local electrical codes Figure 6 Examples of Neutral Circuit Termination Relay Unit Dimmer Unit I l I I 1 Dimmer Unit I l l Load circuits pulled to load center Load circuits pulled to enclosure Switch loop to enclosure Neutral conductors pass through enclosure Neutral bar in load center Neutral bar in load center 2006 Schneider Electric All Rights Reserved 5 Square D Clipsal 36M Enclosure 63249 420 208A1 06 2006 Figure 5 Examples of Neutral Circuit Termination continued lt Isolated Neutral 00000000 R
7. e Apply appropriate personal protective equipment PPE and follow safe electrical work practices See NFPA 70E e This equipment must only be installed and serviced by qualified electrical personnel e Turn off all power supplying this equipment before working on or inside equipment e Always use a properly rated voltage sensing device to confirm power is off e Replace all devices doors and covers before turning on power to this equipment Failure to follow this instruction will result in death or serious injury The 36M enclosure system provides convenient features for installation of Clipsal DIN Mounted C Bus units A primary feature is a set of barriers that provide separation of Class 2 conductors from Class 1 and power circuits Separation of Class 2 conductors is required by national and local electrical codes The 36M enclosure also provides mounting locations for optional neutral terminal and ground bar accessories as well as duplex electrical outlets required to power some Clipsal units The number style and location of these accessories will depend on the installation scenario Figure 2 36M Enclosure cover removed Reversible L barrier defines either left or right side as Class 2 gutter Horizontal barrier covers Horizontal barrier Enclosure pan Enclosure cabinet Mounting area for neutral bars and or isolated neutral terminal strips DIN unit Mounting area for ground bars DIN rail for mounting Cl
8. e cabinet 1 Remove the small mounting knockouts on the side of the cabinet 2 Position the cabinet so the front edge is flush with the finished wall 3 Nail or screw through the small knockouts on the cabinet sides Pull the conductor s into the cabinet Use an approved method to secure the conductor s to the cabinet to avoid damage to the conductor insulation Be sure to separate Class 2 conductors as required by national or local electrical codes Square p Clipsal 36M Enclosure Mounting the Pan Assembly Changing the Position of the L Barrier NOTE NEC Article 725 requires separation of Class 2 conductors Class 2 conductors are permitted within the same enclosure as Class 1 and power conductors provided that they are either separated by barriers or routed to maintain separation of at least 0 25 in 6 mm Refer to national and local electrical codes for complete information Adding a Second L Barrier Attaching Ground Bars 63249 420 208A1 06 2006 The pan assembly consists of one L barrier four horizontal barriers three DIN rails and one ground bar pre installed in a mounting pan The pan assembly is typically mounted into the cabinet with the factory installed L barrier positioned at the top 1 Insert the pan assembly into the cabinet 2 Line up the uppermost mounting hole on the pan with its corresponding hole in the cabinet 3 Insert a 10 32 x 0 31 in mounting screw included into the uppermost mo
9. elay Unit Relay Unit i Neutral Bar not allowed Dimmer Unit Relay Unit Load Center oad Center 36M Enclosure i Load circuits pulled to enclosure Load circuits pulled to enclosure Load neutrals terminate on neutral bar in enclosure Load neutrals terminate in enclosure Single feed from load center Use isolated terminal strip Neutral bar in enclosure Parallel neutrals not allowed Multiple feed from load center Attaching a Solid Neutral Bar The optional solid neutral terminal GLCNT10 is assembled using a ground bar and an insulator kit Mount the assembly in the neutral terminal mounting area See bulletin 40271 892 02 Equipment Grounding Bar Insulator Kit supplied with the insulator kit for mounting instructions Attaching an Isolated Neutral Terminal 1 Position the isolated neutral terminal strip over the mounting holes in the Strip neutral terminal mounting area of the mounting pan 2 Fasten the isolated neutral terminal strip to the mounting pan using four 8 32 x 0 50 in mounting screws included 3 Tighten each mounting screw to 25 30 Ib in 4 When wiring isolated neutrals tighten each terminal screw to 16 Ib in Figure 6 Isolated Neutral Terminal Strip Terminal screw Mounting screws 6 2006 Schneider Electric All Rights Reserved 63249 420 208A1 06 2006 Installing a Power Outlet Figure 8 Outlet Detail Showing Grommets Grommet cut for wiring TEE
10. ipsal units Mounting area for duplex power outlet or second L barrier and additional neutral bars and or isolated neutral terminal strips 8860 OOQ 2006 Schneider Electric All Rights Reserved 63249 420 208A1 06 2006 Preparation Mounting the Enclosure Cabinet Surface Mounting Flush Mounting Rough In Wiring 2006 Schneider Electric All Rights Reserved Square D Clipsal 36M Enclosure 1 Determine the wiring or conduit requirements for the Class 2 Class 1 and power circuits as required by the National Electrical Code and any local electrical codes 2 Designate either the left or right side of the enclosure for Class 2 wiring When installing the enclosure adjacent to a load center it is typically better to designate the side closest to the load center for power conductors 3 Select the proper cable clamp or use other approved methods for securing the cable or conduit to the enclosure 4 Remove the appropriate knockouts required for installation of cable clamps or conduit see Figure 3 Be sure to reserve knockouts on the designated Class 2 side for entry exit of class 2 conductors Figure 3 Removing Knockouts The enclosure cabinet is designed for either surface or flush mounting Figure 4 Surface or Flush Mounting Surface Mounting Flush Mounting Fasten the cabinet to the wall with screws Use the pre cut holes in the back of th
11. itional ground terminals for attached loads Mounting holes are provided in both left and right gutters Install ground bars in the designated Class 1 gutter See bulletin 40271 790 01 Equipment Grounding Bar Kit supplied with the grounding bar for mounting instructions 2006 Schneider Electric All Rights Reserved 63249 420 208A1 Square D Clipsal 36M Enclosure 06 2006 Selection of Neutral Terminals NOTE The information presented here describes several possible approaches for neutral circuits when using the 36M enclosure Be sure to follow all national and local electrical codes when installing and wiring the Square D Clipsal system The enclosure is not supplied with neutral terminals Neutral terminals are not required for load neutrals that are terminated in the load center Neutral terminals are required if neutral conductors terminate in the enclosure Select the proper type neutral terminal accessory for your application Two types of neutral terminals are available for use with the 36M enclosure e A solid neutral bar is recommended for situations in which more than one load is fed from the same neutral circuit Electrical codes do not permit neutral conductors from different circuits to be connected in parallel The neutral bar consists of two plastic standoffs and a solid bus bar sold separately e An isolated neutral terminal strip provides isolated pairs of terminals to maintain individual neutral circuits from the loa
12. rrier 9 SLC36LB The mounting pan assembly and cover assembly are ordered as a single part number SLC36Mee The mounting pan assembly comes with one L barrier one ground bar four horizontal barriers and three DIN rails pre installed Also included are two 10 32 x 0 31 in pan mounting screws and six horizontal barrier covers The cover assembly includes six 10 32 x 0 59 in mounting screws Requires one neutral bar insulator kit PKGTAB c Maximum of four neutral terminal bars two at top two at bottom Use neutral terminal bars in common neutral applications Mixing of neutral terminal bars and isolated neutral terminal strips is permitted Mixing permits an additional bar at both top and bottom three at top and three at bottom One ground bar comes pre installed The pan will accept up to two additional ground bars Maximum of four isolated neutral terminal strips two at top two at bottom Isolated neutral terminal strips allow individual neutrals to be maintained 9 A second L barrier is required when neutral terminal bars or strips are mounted in both ends of the enclosure A second L barrier cannot be used if a duplex power outlet SDM4AC or SDMB8AC is installed a brand of cae D SQUARE D Square b Clipsal 36M Enclosure Safety Precautions General Features of the 36M Enclosure System 63249 420 208A1 06 2006 A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH
13. units Also connect the C Bus cable that exits the enclosure to an open RJ 45 C Bus jack Connect other communication cables to units that have other types of communication ports such as an RS232 connection to a computer or an Ethernet connection to a local area network NOTE All communication cable connections must be made after the barrier cover is installed and must be unplugged to remove the barrier cover Install filler plate s SLC4CSF8 to close openings on the cover assembly where Clipsal DIN Mounted units are not installed See bulletin 63249 420 217A1 Square D Clipsa DIN Enclosure Filler Plate supplied with the filler plate for installation instructions The cover assembly is shipped with a non locking door latch A locking door latch PK4FL is available as an optional accessory To replace the door latch 1 Completely loosen the two door latch screws and remove the existing door latch 2 Position the new door latch in the same location as the one removed 3 Fasten with the two screws removed in step 1 or with the screws supplied with the new latch 4 Tighten each screw to 20 30 Ib in Once the installation is complete place the cover assembly on the cabinet and fasten securely using the six 10 32 x 0 59 in machine screws provided Tighten each screw to 30 Ib in Square D Clipsal 36M Enclosure Instruction Bulletin Schneider Electric USA 295 Tech Park Drive Suite 100 La Vergne TN
14. unting hole and tighten to 25 30 Ib in 4 Line up the mounting hole located next to the uppermost DIN rail with its corresponding hole in the cabinet 5 Insert a 10 32 x 0 31 in mounting screw included into the mounting hole and tighten to 25 30 Ib in Figure 5 Pan Assembly Details L barner Mounting holes 10 32 x 0 31 in mounting screws lt P DIN rail Horizontal barrier A P The L barrier is reversible to create either a left or right side Class 2 gutter To reverse the position of the L barrier unscrew it from the pan and pivot it to align one side of the L vertically along the designated Class 2 gutter Replace the screws and tighten to 25 30 Ib in Move any installed ground bars to the gutter on the opposite side of the enclosure that is to the gutter now designated as Class 1 The L barrier may also be relocated to the opposite end of the enclosure for bottom fed applications Ground bars would not have to be moved unless you are also changing the side on which the L barrier is located An optional second L barrier SLC36LB may be required if you are planning to mount neutral terminals at both ends of the enclosure To install position the second L barrier at the bottom of the enclosure aligning one side of the L vertically along the designated Class 2 gutter Secure with screws provided in the L barrier kit Tighten screws to 25 30 Ib in Optional ground bars may be required to provide add
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