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GE THJK636600

  • Product Name: GE THJK636600 Molded‑Case Circuit Breaker, J600 line, 600 A, 3‑pole.
  • Product Overview: A high‑interrupt‑capacity thermal‑magnetic molded‑case breaker for industrial power distribution, providing long‑time and instantaneous protection on three‑phase systems.
  • Technical Specifications:
    • Amperage: 600 A

Detailed content

    • Voltage: 240 V AC / 480 V AC / 600 V AC (also 250 V DC / 500 V DC)
    • Poles: 3 (3‑phase)
    • AIC rating: 65 kA @ 240 V AC, 35 kA @ 480 V AC, 25 kA @ 600 V AC, 40 kA @ 250 V DC, 20 kA @ 500 V DC
    • Trip technology: Thermal‑magnetic (LI – Long‑Time, Instantaneous)
    • Trip adjustability: Fixed thermal, adjustable magnetic
    • Mounting: Unit‑mount (bolt‑on)
    • Terminals: Lugs for (2) 4/0 AWG – 500 kcmil Cu/Al
    • Temperature rating: 40 °C
    • Standards: UL 489, CSA C22.2 No. 5, NEMA AB‑1
    • Options: Shunt trip, auxiliary switch, under‑voltage release, alarm switch, lug kits
  • Functional Features: Interchangeable trip unit; high interrupting capacity for severe fault protection; compatible with GE J600 enclosures, switchboards, and motor‑control centers.
  • Application Scenarios: Main breaker for industrial switchboards, 600 V AC three‑phase distribution, motor‑control centers, and heavy‑commercial panels.
  • Structural & Material Characteristics: Molded‑case housing; thermal‑magnetic trip element; interchangeable trip unit; lug terminals included.
  • Installation Requirements: Mount in GE J600‑series enclosures or switchboards; use appropriate bolt‑on hardware; torque lugs to spec; ensure conductor sizing matches 4/0 AWG‑500 kcmil range; de‑energize before installation.
  • Usage Precautions: Installation and maintenance must be performed by qualified personnel; observe LOTO; verify AIC rating against system fault levels; do not exceed voltage or current ratings; use only approved accessories.

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