Dump Switch

Relay Contact

The non-contact IC card (inductive IC card) card reader that is disabled by the door is an important part of the access control system and the key device for the signal input of the access control system.

Matters Needing Attention When Purchasing Relays

What are the common roles of relays? The number of industries using relays is increasing, so what are the different characteristics of relays in each field? 1. Household appliances: air conditioning relays are mainly used to control shrink machine motors, fan motors and cooling pump motors to perfor

The concept of bridge rectifier and related knowledge The concept of bridge rectifierBridge rectifier is a rectifier tube enclosed in a housing. There are full bridges and half bridges. A full bridge is a connected bridge rectifier circuit with four diodes sealed together. A half bridge is a bridge