IEC와 NEMA: 어느 것이 최선인가?

The quick answer is yes.  But let’s look at the contactors and see how they work. In Figure 1 above,

Contactors and relays are usually considered interchangeable. However, if you specify a relay in a situation where a contactor is

When we choose refrigeration equipment contactor or air conditioner contactor, we need to select the contactor and circuit breaker based on the click power