Products Description
GE FKN36NT100SF Circuit Breaker Inquiry Item

Details
This GE FKN36NT100SF belongs to FK1250 Record Plus molded case circuit breaker series, 3-pole, rated current 1000A. It is equipped with SMR1 selective electronic trip unit. It supports adjustable long-time thermal protection and short-time delayed short-circuit protection. The thermal setting range is 800~1000A, magnetic short-circuit setting range is 5000~10000A, rated ultimate breaking capacity 50kA at 400V. Widely used in main distribution cabinets, industrial low-voltage power distribution systems for feeder and transformer protection.
Specifications
Model: FKN36NT100SF Brand: GE Series: FK1250 Record Plus Pole: 3P Rated current: 1000A Trip unit: SMR1 electronic trip Breaking capacity Icu: 50kA @400V Protection range: Ir:800~1000A; Im:5000~10000A Protection class: IP20 Certifications: IEC, CE, UL
Components & Troubleshooting
Molded insulating housing, contact system, arc extinguishing chamber, SMR1 electronic protection module, operating mechanism, main terminal. Common faults: unable to close, false tripping, cannot reset, contact overheating, protection function failure.
Disclaimer
This spare part shall be installed, set and tested by qualified low-voltage electrical technicians. Power off the circuit before maintenance and replacement.