Hammond CST4203 225A 3-Wire Splitter Trough, 48x8x5 Type 1

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.