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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.

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