GE TJK-636400
Product Name: GE TJK-636400 3-Pole Molded Case Circuit Breaker
Product Introduction: A heavy-duty thermal-magnetic molded case circuit breaker from the GE J600/TJK line, designed for reliable branch circuit and feeder overcurrent protection in industrial and commercial power distribution.
Detailed content
Technical Specifications:
- Amperage: 400 A
- Voltage: 600 VAC
- Poles: 3 (3-phase)
- Interrupting Rating: 30 kAIC at 480 V
- Trip Unit: Thermal-magnetic, LI (Long-Time and Instantaneous) protection
- Connection: Bolt-on (feed-thru type)
- Temperature Rating: 40 °C
- Dimensions: 8.25″ W × 10.12″ H × 3.81″ lug length
- Weight: 19.22 lb
- Standards: UL / CSA approved
Functional Features: Predictable thermal protection combined with instantaneous magnetic trip; 3-pole synchronized phase-to-phase protection; interchangeable trip unit; line and load side lug terminals included.
Application Scenarios: Panelboards, switchboards, and load centers in commercial buildings, light industrial plants, and motor feeder protection where 400 A branch circuit protection at up to 600 V is required.
Installation & Usage Notes: Install in a compatible GE J600 line enclosure with proper torque on lug connections. Verify the available fault current does not exceed 30 kA at the installation point.












