Knowledge

The choice of household AC contactor

​Choose the type of AC contactor, based on the load type as the main basis for the selection of AC contactor.

The working principle of AC contactor

​The basic principle of the AC contactor is to use the electromagnetic principle to drive the contact through the control circuit and the movable armature to control the on-off of the main circuit.

The role of AC contactor?

​One of the functions of a household AC contactor is to control a large current with a small current.

How to wire the household contactor?

Household contactors have two normally open contacts: one end is connected to the live and neutral wires of the power supply, and the other end is connected to the live and neutral wires of the load.

Maintenance of household modular contactor when it is not running

When stopping use, clean the contactor regularly to keep the contactor clean. In particular, whether the connecting wire is secure, whether there is any looseness, whether the wiring insulation is dam

Maintenance of household modular contactors during operation

Observe whether the relevant indicator lights are consistent with the circuit normal indicator lights.

Precautions for wiring and installation of household modular contactors

Before installation and use, check whether the rated voltage of the coil is consistent with the actual use.

Expansion performance of household modular contactor

​Household modular AC contactors are generally used in homes or similar small power distribution places.

What is the main purpose of the household AC contactor?

​Nowadays, household AC contactors are widely used in family life, which can better protect household electrical appliances, and can be used as a very professional and safe start-up control device, so

Selection of DC circuit breaker

According to the normal load current of the DC circuit, initially select the circuit breaker of the corresponding specification and model.