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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.

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