A We are factory.

A Certified company with CE certificates.
Advanced technical support and strict quality management system.
High-efficiency and timely service by E-mail, Whatsapp, Facebook, etc.

A 1. Confirm whether the wiring of the contactors coil control loop is reliable.
2. Confirm whether the positive and negative poles of the coil are reversed.
3. For products with auxiliary switches, confirm whether there is a phenomenon that the coil is reversed from the lead wire of the auxiliary switch.
4. Confirm whether the output power of the power supply meets the driving power of the contactor coil.

A 1. The power supply voltage is too high.
2. Poor coil manufacturing or due to mechanical damage, insulation damage, etc.
3.The ambient temperature is too high.

A Yes.

A 1. The sealed material and process are different, the sealed material of epoxy is epoxy, and the production requires a baking process.
The sealed material of ceramic products is technical ceramics, and laser brazing is required for production.
2. The filing gas inside the product is different, the epoxy product is filled with nitrogen, and the ceramic product is filled with hydrogen.
3. The return signal function of ceramic products is unstable and unreliable.

A Our product warranty period is one year from the date of goods acceptance. if the broken parts can't repair, we can send the new products to replace the broken parts, but you need to pay the express cost by yourself. if after the warranty period, we can through negotiation for solving the problems, and we supply the technical support for the whole life of the equipment.

A It can be installed upside down, no impact.

A

A It is also called a mirror contact and is used to reflect the state of the main contacts, such as open or closed.