What is the difference between a contactor and a relay?
Both relays and contactors are electromagnetic switching appliances, and their working principles are the same. However, relays belong to switching appliances that work in the control circuit, while contactors belong to switching appliances that work in the main circuit. The main use of relays is for signal detection, transmission, transformation, or processing; Contactors are mainly used to connect or disconnect the main circuit.
For the standard definition of contactors and relays, you can pay attention to the national standard GB14048.4-2010. Regarding the difference between relays and contactors, you can also further read the discussion on Zhihu: What is the difference between relays and contactors?
The BSB Electric Appliances adheres to the brand concept of creating the safest circuit breakers and contactors, and always adheres to the marketing strategy of "customer first, customer satisfaction". It is committed to providing customers with innovative products and sincere services that meet their needs. Each series of products has won multiple national technical patents and has been the first in the same industry in China to pass EU CE safety certification, German VDE and TUV safety certification, Canadian CSA safety certification, US UL safety certification, and China CCC mandatory certification. All materials have passed EU ROHS environmental testing.
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2. Disassemble the old circuit breaker: Use a screwdriver to remove the fixing screws on the old circuit breaker.
3. Test the power supply voltage: use a Voltmeter to test the power supply voltage to ensure that the power supply has been cut off.
4. Remove the wires: Use a screwdriver to remove the wires from the old circuit breaker.