thermal magnetic trip system THQL Circuit Breaker Design Detail, Professional Design, Working Principle
THQL21125/21100 125AMP/100AMP 2 POLE circuit breaker is made of high quality insulation material. Insulation safety, fireproof and anti-drop, strong oxidation resistance and long service life. THQL21125 2P 125A 120/240V is a circuit protection load center power, feeder and miniature circuit breaker. Internal with current limiting system and thermal magnetic trip system can maximize the protection of your electricity safety