Hammond CST3403 400A 3-Wire Splitter Trough, 36x10x6

The CST3403 is a 3-wire Type 1 mild steel splitter trough from the CST Series, rated 400/400 A (CU/AL) and measuring 36 x 10 x 6 in (914 mm x 254 mm x 152 mm). It comes with factory installed splitter blocks (reference CSBL400), giving electricians and contractors an enclosure ready for 3-wire distribution.

It is the 3-wire 400 A model at 36 in; the ordering table lists no 4-wire version at this size. The CST Series is designed for distribution of up to 600 A (max) service at 600 V max, using either 3 or 4 wires, and 75° C conductor ampacity is permitted. Related versions of this size in the ordering table: CST3400.

The trough is formed and spot welded from 14 gauge steel, with a hinged door secured with a screw, a padlocking hasp and a series of knockouts on each side. Cover and enclosure are finished in recoatable smooth ANSI 61 gray powder coating.

The part drawing shows an overall width of 10.25 in and overall depth of 6.98 in, a door opening of 34.75 in x 9.61 in, 0.25 in diameter back mounting holes on 33.00 in x 7.00 in centers and knockout diameters of 0.88, 1.13, 1.38 in. The series is CSA Certified and complies with IEC 60529, IP20. The CST3403 is REACH and RoHS compliant, ships in a box and weighs 36 lbs (16.33 kg).