
The CN4SB103SS is a 3-wire, 125/120 A CU/AL splitter box in the CN4SBSS series of Type 4X stainless steel splitter boxes. Its 15 in tall stainless body serves electricians splitting a 125 A, 3-wire feed where corrosion resistance matters, such as washdown or outdoor locations. The series is designed for distribution of up to 600 A (max) service at 600 V max, with 75° C conductor ampacity permitted.
The enclosure is 15 x 10 x 5 in (381 x 254 x 127 mm) H x W x D, with 5.85 in overall depth on the drawing. The part drawing shows 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 CN4SB103SS is CSA Type 3R, 12, 4X and complies with IEC 60529, IP66. It includes a hardware kit with panel mounting nuts and sealing washers for the wall mounting holes, accepts optional grounding kit CGK125, and ships at 15 lbs (6.80 kg). REACH and RoHS compliant.
| Series | CN4SBSS Series – Type 4X Stainless Steel Splitter Box |
| Door Style | Hinge door with quarter turn |
| Product Type | Splitter Box |
| Companion Part | 4-wire version: CN4SB104SS |
| Short Description | N4XSS 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 |
| Size (H X W X D) | 15 in x 10 in x 5 in (381 mm x 254 mm x 127 mm) |
| Overall Depth (Drawing) | 5.85 in |
| 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 |
| Optional Grounding Kit | CGK125 |
| UPC | 623980103198 |
| UNSPSC | 39121324 |
| 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 Type 304 stainless 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 | Natural stainless steel with a smooth brushed finish |
| IEC 60529 | Complies with IEC 60529, IP66 |
| CSA Rating | CSA Type 3R, 12, 4X |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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125/120 A CU/AL, 3-wire, within a series designed for up to 600 A (max) service at 600 V max.
15 x 10 x 5 in (381 x 254 x 127 mm) H x W x D; 5.85 in overall depth on the drawing.
Formed 16 gauge Type 304 stainless steel with a natural smooth brushed finish.
Yes, the CN4SB104SS.
CSA Type 3R, 12, 4X and IEC 60529, IP66.
CGK125.
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