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GE THJK436225

Product Name:​ General Electric THJK436225 3-Pole Thermal Magnetic Molded Case Circuit Breaker
Overview:​ The THJK436225 belongs to GE’s J600 Line family of high-interrupting-capacity molded case circuit breakers. It is a 225 Amp, 3-pole, 600 VAC breaker with a bolt-on connection and thermal magnetic trip unit, intended for heavy commercial and industrial distribution panels where high short-circuit withstand is required.

Detailed content

Technical Specifications:
  • Current Rating:​ 225 A
  • Voltage Rating:​ 600 VAC
  • Poles / Phase:​ 3 poles, 3 phase
  • Interrupting Rating:​ 35 kAIC at 480 V
  • Trip Functions:​ LI – Long-Time and Instantaneous
  • Protection Type:​ Thermal Magnetic
  • Connection Type:​ Bolt-On
  • Terminal Connection:​ Load side lug
  • Temperature Rating:​ 40 °C
  • Frame Type:​ TJK
Features:​ Bolt-on mounting for secure bus connection; interchangeable trip unit; long-time and instantaneous trip functions; high 35 kAIC interrupting capacity for superior fault clearing.
Applications:​ Feeder protection in industrial MCC and switchgear; main or branch circuit protection in commercial buildings; heavy-load distribution panels.
Installation Requirements:​ Mount onto compatible bolt-on bus structure; torque load-side lug terminals to manufacturer specification; verify proper phase alignment; install with line and load side lugs as supplied.
Usage Notes:​ Rated for 40 °C ambient — derate or provide ventilation if installed in higher-temperature enclosures; only qualified electricians should install; ensure supply voltage does not exceed 600 VAC.

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