The CN4SB103 is a 3-wire splitter box rated 125/120 A CU/AL, part of the CN4SB series of Type 4/3R mild steel splitter boxes with a hinged door and quarter turn latching. It gives electricians a taller body than the 70 A size for splitting a 3-wire feed into branch conductors. The series is designed for distribution of up to 600 A (max) service at 600 V max, and 75° C conductor ampacity is permitted.
The series table lists the enclosure at 15.00 x 10.00 x 5.00 in (381 x 254 x 127 mm) H x W x D. The part page gives a nominal size of 15 x 10 x 6 in, and the drawing shows 5.85 in overall depth. Drawing dimensions include a 14.97 x 9.97 in door, a 13.52 x 8.39 in door opening, a 13.17 x 8.17 in inner panel and Ø0.50 in wall mounting holes on 13.50 x 8.50 in centres.
The enclosure and cover are finished in recoatable smooth ANSI 61 gray powder coating, with a white powder coated inner panel included and mounted on collar studs. The CN4SB103 is CSA Type 3R, 12, 4 and complies with IEC 60529, IP66. It includes a hardware kit with panel mounting nuts and sealing washers, takes optional grounding kit CGK125, and ships boxed at 15 lbs (6.80 kg).
| Series | CN4SB Series – Type 4/3R Mild Steel Splitter Box |
| Door Style | Hinge door with quarter turn |
| Description | 3R/4 Splitter Box 125A 3 Wire - Steel/Gray |
| Product Type | Splitter Box |
| Companion Part | 4-wire version: CN4SB104 |
| Short Description | N4 SPLTR BOX 15X10X5 |
| Door Size | 14.97 in H x 9.97 in W |
| Door Opening | 13.52 in H x 8.39 in W |
| Enclosure Depth | 5.00 in (127 mm) |
| Enclosure Width | 10.00 in (254 mm) |
| Enclosure Height | 15.00 in (381 mm) |
| Inner Panel Size | 13.17 in H x 8.17 in W |
| Overall Depth (Drawing) | 5.85 in |
| Nominal Size (H X W X D) | 15 in x 10 in x 6 in (381 mm x 254 mm x 152 mm) |
| Wall Mounting Hole Spacing | 13.50 in x 8.50 in |
| Wall Mounting Hole Diameter | Ø0.50 in |
| CU/AL Amps | 125/120 |
| Conductor Ampacity | 75° C conductor ampacity permitted |
| Wiring Configuration | 3 wire |
| Splitter Block Reference | CSBL125B |
| Series Application Rating | Distribution of up to 600 A (max) service, 600 V max, using 3 or 4 wires |
| Series Accessories | Quarter turn inserts and keys, rear hole plugs, quarter turn assemblies, splitter blocks, mounting foot kit, replacement hinge pins, padlock adaptor, grounding kits, ventilation |
| Optional Grounding Kit | CGK125 |
| UPC | 623980022413 |
| UNSPSC | 39121324 |
| Packaging Type | Box |
| Shipping Weight | 15 lbs (6.80 kg) |
| Doors | Easily removed for modifications and interchangeable |
| Seams | Smooth, continuously welded seams ground smooth |
| Gasket | Seamless poured-in place gasket |
| Hinges | 304 stainless steel |
| Material | Formed 16 gauge steel |
| Hinge Pins | Stainless steel |
| Inner Panel | Included |
| Door Latches | Quarter turn slot latches requiring use of a tool for opening |
| Hardware Kit | Includes panel mounting nuts and sealing washers for wall mounting holes |
| Enclosure Lip | Formed lip on enclosure to exclude flowing liquids and contaminants |
| Door Stiffeners | Provided where required for increased strength and rigidity; designed to also permit additional mounting options |
| Splitter Blocks | Factory installed splitter blocks |
| Inner Panel Finish | White powder coating |
| Inner Panel Mounting | Collar studs provided for mounting inner panel |
| Enclosure & Cover Finish | Recoatable smooth ANSI 61 gray powder coating |
| IEC 60529 | Complies with IEC 60529, IP66 |
| CSA Rating | CSA Type 3R, 12, 4 |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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125/120 A CU/AL, 3-wire. The CN4SB series covers distribution of up to 600 A (max) service at 600 V max with 75° C conductor ampacity permitted.
15.00 x 10.00 x 5.00 in (381 x 254 x 127 mm) per the series table; nominal 15 x 10 x 6 in on the part page; 5.85 in overall depth on the drawing.
Yes, the CN4SB104 is the 4-wire version of this size.
Yes. The door latches use a quarter turn slot requiring a tool for opening.
Factory installed splitter blocks, an inner panel, and a hardware kit with panel mounting nuts and sealing washers for the wall mounting holes.
CGK125.
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