$ x E% a* W' J
热熔断体也是热断路器的一种,附录D有说非自复位的也适合的 # l, n8 Q; y' a# E– motors having non-self-resetting thermal motor protectors are operated for 30 cycles, the* P" Y$ @! E4 B- ^' w. y! O" d
thermal motor protector being reset as soon as possible after each operation, but in not$ ~" s0 A7 u: a( C" h b6 l& h
less than 30 s;