The GE THJK636400 is a 400-amp, 3-pole, 600V high-interrupting-capacity molded case circuit breaker in the J-600 Hi-Break 600-ampere frame. The THJK 600A Hi-Break frame provides 65kA interrupting capacity at 480V and accommodates trip units from 250A to 600A, making it ideal for main distribution and high fault-current industrial applications.
| Specification | Value |
|---|---|
| Amperage | 400A |
| Poles | 3 |
| Voltage | 600VAC |
| Interrupt Rating | 65kA @ 480V / 35kA @ 600V |
| Frame Size | J-600 Hi-Break Frame (600A Frame) |
| Mounting Type | Fixed Lug (Cu/Al) |
| Trip Type | Thermal Magnetic (Interchangeable) |
| Trip Function | LI — Long-Time, Instantaneous |
| Wire Size | 6–600 kcmil or (2) 300–500 kcmil Al |
| Phase | 3-Phase |
| Standards | UL 489, CSA C22.2 No.5 |
| Temperature Rating | -35°C to 70°C |
GE / ABB THJK J-600 Hi-Break (600A Frame) 400A 3-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.
Brand: GE / ABB | Series: THJK J-600 Hi-Break (600A Frame) | Catalog Number: THJK636400
THJK636250 - GE / ABB THJK J-600 Hi-Break (600A Frame) | THJK636300 - GE / ABB THJK J-600 Hi-Break (600A Frame) | THJK636350 - GE / ABB THJK J-600 Hi-Break (600A Frame) | THJK636450 - GE / ABB THJK J-600 Hi-Break (600A Frame) | THJK636500 - GE / ABB THJK J-600 Hi-Break (600A Frame)