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With so many different electrical contactors and starters to choose from, you may be curious about the pros and cons of IEC vs NEMA-rated devices. Read

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

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

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