CST5404 is the 60 x 10 x 6 in, 400 A (CU/AL) 4-wire member of the CST Series splitter trough line, referenced to splitter block CSBL400 in the ordering table. 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 400 A copper / 400 A aluminum rating (CU/AL) per the ordering table, with block reference CSBL400. 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 3-wire version of this size is CST5403, and an empty version is CST5400.
The trough is formed and spot welded from 14 gauge mild steel and measures 60 in high, 10 in wide and 6 in deep (1,524 mm x 254 mm x 152 mm). The drawing shows a front opening of 58.75 x 9.61 in. A series of knockouts is provided on each side, with 0.88, 1.13 and 1.38 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.
| Series | CST Series Type 1 Mild Steel Splitter Trough |
| Cover Style | Hinged door with screw |
| Product Type | Splitter trough with 4-wire splitter blocks |
| Wiring Configuration | 4 wire |
| Depth | 6.00 in (152 mm) |
| Width | 10.00 in (254 mm) |
| Height | 60.00 in (1524 mm) |
| Size (H X W X D) | 60 in x 10 in x 6 in |
| Front Opening Width (Per Drawing) | 9.61 in |
| Front Opening Height (Per Drawing) | 58.75 in |
| Splitter Blocks | Factory installed |
| Conductor Ampacity | 75 °C conductor ampacity permitted |
| Splitter Block Reference | CSBL400 |
| Series Application Rating | Distribution of up to 600 A (max) service, 600 V max, using 3 or 4 wires |
| Ordering Table Rating (CU/AL) | 400/400 A |
| Part Number | CST5404 |
| Same-Size Versions (Ordering Table) | 3 wire: CST5403; 4 wire: CST5404; less blocks: CST5400 |
| 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 |
| Knockout Diameters (Per Drawing) | 0.88 in, 1.13 in, 1.38 in |
| Enclosure Type | Type 1 |
| Ingress Protection | IEC 60529, IP20 |
| Certification | CSA Certified |
Business account holders get access to exclusive pricing, volume discounts, and dedicated support. Create a free account to get started.
The ordering table lists 400/400 A (CU/AL) for CST5404, using splitter block reference CSBL400.
CST5404 is the 4-wire version. Its 3-wire counterpart in the same size is CST5403.
60 in high x 10 in wide x 6 in deep (1,524 mm x 254 mm x 152 mm). The drawing shows a front opening of 58.75 x 9.61 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.
Hammond Manufacturing · 1413BGS
Hammond Manufacturing · 1413BKLGS
Hammond Manufacturing · 1413BKS
Hammond Manufacturing · 1413BNS
Hammond Manufacturing · 1413CGRALS
