... contact block, timer delay & machine- interlocking device etc, it becomes the delay contactor, mechanical interlocking contactor, star-delta starter. With the thermal relay, it ... -DN13(1NO+3NC),LA1-DN31(3NO+1NC)Matched time delay auxiliary contact typeTime delay after power on:LA2-DT0(0.1-3S ... ),LA2-DT2(0.1-30S),LA2-DT4(10-180S),Time delay after power off:LA3-DR0(0.1-3S),LA3-DR2 ...