GE THJK436300
Product Name: General Electric THJK436300 3-Pole 300 A Bolt-On Molded Case Circuit Breaker
Overview: The THJK436300 is a Type THJK molded case circuit breaker from GE’s J600 Line family. It is rated 300 A at 600 V, 3-pole, with a bolt-on connection and thermal magnetic protection, delivering 35 kAIC interrupting capacity at 480 V.
Detailed content
Technical Specifications:
- Current Rating: 300 A
- Voltage Rating: 600 V
- Poles: 3
- Phase: 3
- Interrupting Rating: 35 kA @ 480 V
- Connection: Bolt-On
- Type: THJK
- Family: J600 Line
- Protection: Thermal Magnetic, LI – Long-Time and Instantaneous
- GTIN: 00783164046922
- Weight: 17.54 lb
Features: Bolt-on connection for secure direct bus mounting; thermal magnetic trip with long-time and instantaneous functions; high 35 kAIC interrupting capacity; J600 Line robustness for demanding installations.
Applications: Heavy industrial feeder and branch circuit protection; switchgear and MCC main breakers; large commercial distribution panels requiring 300 A capacity.
Installation & Usage Notes: Mount onto compatible bolt-on bus; properly torque line and load terminals; ensure ambient temperature does not exceed 40 °C rating without derating; install only by licensed electricians.












