
Hammond CN4SB103 125A 3-Wire Type 4/3R Steel Splitter Box, 15x10x5
Ships from and sold by A5 IT
Available on backorder — ships as soon as stock arrives
Exclusive pricing and Net-30 terms. Sign in or create a free account.
Create Free Business AccountKey Features
- 125/120 A CU/AL, 3-wire splitter box
- 15.00 x 10.00 x 5.00 in (381 x 254 x 127 mm) enclosure
- Factory installed splitter blocks, reference CSBL125B
- CSA Type 3R, 12, 4; IEC 60529 IP66
- 16 gauge steel with continuously welded, ground seams
- Tool-required quarter turn latches, stainless hinges and pins
- Optional grounding kit CGK125
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.
- Formed 16 gauge steel, smooth continuously welded seams ground smooth
- Factory installed splitter blocks (reference CSBL125B)
- Formed lip plus seamless poured-in place gasket
- Quarter turn slot latches that need a tool to open; 304 stainless steel hinges and stainless hinge pins
- Removable, interchangeable door with stiffeners where required
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).
Ideal For
- Splitting a 125 A, 3-wire feed
- Outdoor distribution points needing Type 3R protection
- Indoor wet or dusty locations needing Type 4/12 protection
Overview
| 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 |
Dimensions
| 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 |
Electrical
| 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 |
Accessories
| 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 |
Identifiers
| UPC | 623980022413 |
| UNSPSC | 39121324 |
Packaging & Shipping
| Packaging Type | Box |
| Shipping Weight | 15 lbs (6.80 kg) |
Construction & Finish
| 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 |
Environmental & Protection
| IEC 60529 | Complies with IEC 60529, IP66 |
| CSA Rating | CSA Type 3R, 12, 4 |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
Purchasing this for your business?
Business account holders get access to exclusive pricing, volume discounts, and dedicated support. Create a free account to get started.
Frequently Asked Questions
What is the CN4SB103 rated for?▾
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.
What are the dimensions?▾
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.
Is there a 4-wire version?▾
Yes, the CN4SB104 is the 4-wire version of this size.
Does it need a tool to open?▾
Yes. The door latches use a quarter turn slot requiring a tool for opening.
What is included?▾
Factory installed splitter blocks, an inner panel, and a hardware kit with panel mounting nuts and sealing washers for the wall mounting holes.
Which grounding kit is optional for this size?▾
CGK125.
Related Products
Save 51%CGK600 — Grounding Kit 600 A
Hammond Manufacturing · CGK600
Save 51%CN4SB104 — 3R/4 Splitter Box 125A 4 Wire - Steel/Gray
Hammond Manufacturing · CN4SB104
Save 51%CGK400 — Grounding Kit 400 A
Hammond Manufacturing · CGK400
Save 51%CN4SB203 — 3R/4 Splitter Box 225A 3 Wire - Steel/Gray
Hammond Manufacturing · CN4SB203
Save 51%CGK225 — Grounding Kit 225 A
Hammond Manufacturing · CGK225
