Distinguish between the normally open and normally closed contacts of a contactor
Methods for Distinguishing between Normally Open and Normally Closed Contacts of a Contactor I. Basic Concepts1. **Normally Open Contact (Normally Open, NO)**&...
How to determine whether the coil of an AC contactor is normal?
The following steps can be taken to determine whether the coil of an AC contactor is normal. Be sure to cut off the power during the operation to ensure safety:### I...
What is the working principle of an AC contactor?
The working principle of an AC contactor is based on electromagnetic induction and mechanical linkage, indirectly controlling the on-off of the main circuit by contr...
