DAM1系列断路器( Inm ≥250A) 采用最先进且带智能保护的电子脱扣器PR21 1 /PR2 12 。
   DAM1 series circuit breaker (Inm 250A and the above) applies the most advanced PR21 1/PR212. The electronic release has lunction 01 intellectual protection

特性曲线Eletronic release characteristic curves