Ningbo Yong Wei Electronics Co., Ltd.
Add：No.8 Xinheng Third Road, private industrial park, Cicheng Town, Jiangbei District, Ningbo
kevinyao：13777073573
Miss Yang：0574-87526068
Fax：0574-86505726
Relay (English Name: Relay) is a kind of electric control device, when the input (excitation volume) changes to the specified requirements, in the electrical output circuit controlledvariable a predetermined electrical step change. It has the interaction between the control system (also known as the input circuit) and the controlled system (also known as the output circuit). It is usually used in the automatic control circuit, it is actually a small current to control the operation of a large current of an automatic switch". Therefore, it plays an important role in the circuit, such as automatic regulation, safety protection, conversion circuit and so on. Relay manufacturers
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