The GE TJK636300 is a 300-amp, 3-pole, 600V molded case circuit breaker in the J-600 600-ampere frame with interchangeable thermal-magnetic trip unit. The TJK 600A frame accommodates trip units from 250A to 600A and provides 22kA interrupting capacity at 480V. It is widely used as a main breaker or feeder breaker in large commercial and industrial distribution systems.
| Specification | Value |
|---|---|
| Amperage | 300A |
| Poles | 3 |
| Voltage | 600VAC |
| Interrupt Rating | 22kA @ 480V / 14kA @ 600V |
| Frame Size | J-600 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 TJK J-600 (600A Frame) 300A 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: TJK J-600 (600A Frame) | Catalog Number: TJK636300
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