The CSB203 is a 225 A, 3-wire Type 1 splitter box for indoor power distribution. It arrives with splitter blocks factory installed, giving electrical contractors a ready enclosure for tapping one feed into multiple branch conductors in an 18 in x 12 in x 5 in (457 mm x 305 mm x 127 mm) footprint.
The CSB Series ordering table rates this size at 225/180 A (copper/aluminum) and lists the CSBL225 as its splitter block reference. The series is designed for indoor distribution of up to 600 A (max) service at 600 V max using 3 or 4 wires, and 75 °C conductor ampacity is permitted. For a 4-wire system choose the CSB204; the empty box is the CSB200.
The enclosure is formed and spot welded from steel and with the enclosure and cover finished in ANSI 61 gray powder coating. Access is through a hinged door with a screw closure, and a padlocking hasp is fitted. The drawing shows a 12.25 in x 18.25 in door, an 11.75 in x 17.89 in door opening, Ø0.25 in rear mounting holes on 9.00 in x 15.00 in centres, and knockouts on each side including Ø0.88/Ø1.13 in, Ø1.13/Ø1.38 in and Ø2.50/Ø3.00 in sizes.
The CSB203 is CSA Type 1, complies with IEC 60529 IP20, and is REACH and RoHS compliant. It ships in a box at 17 lbs (7.71 kg); UPC 623980263731.
| Knockout Sizes (Drawing) | Ø0.88 / Ø1.13 in, Ø1.13 / Ø1.38 in and Ø2.50 / Ø3.00 in (drawing details Y, W and Z) |
| Series | CSB Series – Type 1 Mild Steel Splitter Box |
| Cover Style | Hinged door with screw |
| Description | Splitter Box, 225A - 18 x 12 x 5 - Steel/Gray |
| Part Number | CSB203 |
| Configuration | 3 wire – factory-installed splitter blocks |
| Enclosure Depth | 5.00 in (127 mm) |
| Enclosure Width | 12.00 in (305 mm) |
| Enclosure Height | 18.00 in (457 mm) |
| Size (H X W X D) | 18 in x 12 in x 5 in (457 mm x 305 mm x 127 mm) |
| Door Size (Drawing) | 12.25 in W x 18.25 in H |
| Door Opening (Drawing) | 11.75 in W x 17.89 in H |
| Conductor Temperature | 75 °C conductor ampacity permitted |
| Splitter Block Reference | CSBL225 |
| Series Application Rating | Indoor distribution of up to 600 A (max) service, 600 V max, 3 or 4 wires |
| UPC | 623980263731 |
| UNSPSC | 39121324 |
| Related Part Numbers | CSB203 (3 wire), CSB204 (4 wire), CSB200 (less blocks) |
| Packaging Type | Box |
| Shipping Weight | 17 lbs (7.71 kg) |
| Colour | Gray |
| Finish | Enclosure and cover finished in ANSI 61 gray powder coating |
| Locking | Padlocking hasp |
| Material | Mild steel, formed and spot welded from 14 or 16 gauge steel (series) |
| Knockouts | Series of knockouts on each side |
| Enclosure Type | CSA Type 1 (indoor) |
| Ingress Protection | Complies with IEC 60529, IP20 |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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The series ordering table lists 225/180 A for this size, meaning 225 A with copper and 180 A with aluminum conductors.
The CSB203 is the 3-wire version. The 4-wire version of the same box is the CSB204, and the empty box is the CSB200.
The splitter block reference for this size is the CSBL225.
CSB Series splitter boxes are designed for indoor distribution of up to 600 A (max) service at 600 V max.
The CSB203 has a shipping weight of 17 lbs (7.71 kg) and ships in a box.
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