CST4203 is a 225 A, 3-wire splitter trough measuring 48 x 8 x 5 in, with a factory-installed splitter block and a hinged, screw-secured door. It is intended for electricians, electrical contractors and facilities teams distributing a service to multiple loads in indoor locations.
The splitter block is factory installed and carries a 225 A copper / 225 A aluminum rating (CU/AL) per the ordering table, with block reference CSBL225. The series is designed for distribution of up to 600 A (max) service at 600 V max using 3 or 4 wires, with 75 °C conductor ampacity permitted. The 4-wire version of this size is CST4204, and an empty version is CST4200.
The trough is formed and spot welded from 14 gauge mild steel and measures 48 in high, 8 in wide and 5 in deep (1,219 mm x 203 mm x 127 mm). The drawing shows a front opening of 46.75 x 7.61 in. A series of knockouts is provided on each side, with 0.88, 1.13, 1.38, 2.50 and 3.00 in diameters shown on the part drawing, and the hinged door is secured with a screw and fitted with a padlocking hasp. Cover and enclosure are finished in recoatable smooth ANSI 61 gray powder coating.
The CST Series is CSA Certified and complies with IEC 60529, IP20 for Type 1 indoor use. CST4203 ships boxed at 28 lbs (12.70 kg), and the part is listed as RoHS and REACH compliant.
| Series | CST Series Type 1 Mild Steel Splitter Trough |
| Cover Style | Hinged door with screw |
| Product Type | Splitter trough with 3-wire splitter blocks |
| Long Description | Splitter Trough, 225A - 48 x 8 x 5 - Steel/Gray |
| Short Description | SPLITTER TROUGH 48X8X5, 225A |
| Wiring Configuration | 3 wire |
| Depth | 5.00 in (127 mm) |
| Width | 8.00 in (203 mm) |
| Height | 48.00 in (1219 mm) |
| Size (H X W X D) | 48 in x 8 in x 5 in (1,219 mm x 203 mm x 127 mm) |
| Front Opening Width (Per Drawing) | 7.61 in |
| Front Opening Height (Per Drawing) | 46.75 in |
| Splitter Blocks | Factory installed |
| Conductor Ampacity | 75 °C conductor ampacity permitted |
| Splitter Block Reference | CSBL225 |
| Series Application Rating | Distribution of up to 600 A (max) service, 600 V max, using 3 or 4 wires |
| Ordering Table Rating (CU/AL) | 225/225 A |
| UPC | 623980263410 |
| UNSPSC | 39121324 |
| Part Number | CST4203 |
| Same-Size Versions (Ordering Table) | 3 wire: CST4203; 4 wire: CST4204; less blocks: CST4200 |
| Packaging Type | Box |
| Shipping Weight | 28 lbs (12.70 kg) |
| Finish | Recoatable smooth ANSI 61 gray powder coating on cover and enclosure |
| Locking | Padlocking hasp |
| Material | Mild steel, formed and spot welded |
| Knockouts | Series of knockouts on each side |
| Steel Gauge | 14 gauge |
| Material / Colour | Steel/Gray |
| Knockout Diameters (Per Drawing) | 0.88 in, 1.13 in, 1.38 in, 2.50 in, 3.00 in |
| Enclosure Type | Type 1 |
| Ingress Protection | IEC 60529, IP20 |
| Certification | CSA Certified |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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The ordering table lists 225/225 A (CU/AL) for CST4203, using splitter block reference CSBL225.
CST4203 is the 3-wire version. Its 4-wire counterpart in the same size is CST4204.
48 in high x 8 in wide x 5 in deep (1,219 mm x 203 mm x 127 mm). The drawing shows a front opening of 46.75 x 7.61 in.
It is formed and spot welded from 14 gauge steel; the CST Series uses 14 gauge when the width is 8 in or more.
The data rates the CST Series as a Type 1 enclosure complying with IEC 60529, IP20; no outdoor rating is given for it.
The shipping weight is 28 lbs (12.70 kg), packed in a box.
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