GE TJK636450
- Product Name: GE / ABB TJK Series 450 A, 3-Pole Molded Case Circuit Breaker
- Product Overview: A thermal-magnetic molded case circuit breaker with interchangeable trip unit, designed for 3-phase power distribution and motor circuit protection in industrial, commercial, and residential applications.
Detailed content
- Technical Specifications:
- Amperage: 450 A
- Voltage: 240 / 480 / 600 VAC; 250 / 500 VDC
- Poles: 3
- AIC Rating: 42 kA @ 240 VAC, 30 kA @ 480 VAC, 22 kA @ 600 VAC, 20 kA @ 250 VDC, 20 kA @ 500 VDC
- Trip Technology: Thermal-magnetic, LI (Long-Time, Instantaneous)
- Trip Adjustability: Fixed thermal, adjustable magnetic
- Mounting Style: Unit mount (bolt-on)
- Terminal Type: TCAL63 lugs included (line and load)
- Wire Range: (2) 4/0 AWG–350 kcmil Cu, or (2) 300–500 kcmil Al
- Standards: UL 489, NEMA AB-1, CSA C22.2 No. 5
- Temperature Rating: 40°C
- Frame: TJK (J600 line)
- Options: Shunt trip, auxiliary switch, undervoltage release, alarm switch
- Functional Features: HACR rated; interchangeable trip unit; feed-thru wiring capable.
- Application Scenarios: GE J600 panelboards, switchboards, motor control centers, and J-frame enclosures for 3-phase power distribution.
- Installation & Use Notes: Use appropriate TCAL63 lugs for line and load connections. Observe 40°C ambient rating limit. When replacing, confirm ABB/GE branding interchangeability.












