What is the purpose of current transformer Current transformers are very similar to transformers. Transformers are mainly used to change the voltage of the line on the line, while current transformers...
What is the difference between electromagnetic relay and contactor (1) The main function of the relay is for signal detection, transmission, conversion or processing. Its on-off circuit current is usu...
What are the problems with shunts in smart meter applications The smart meter industry is one of the most widely used shunts, and there are different types of shunts on each smart meter. The shunt is ...
How to do a good job in relay testing to achieve accuracy a. Measure contact resistance. Use the resistance profile of the universal meter to measure the resistance of the normally closed contact and ...
Electromagnetic relays are generally composed of iron core, coil, armature, contact reed, etc. As long as a certain voltage is applied to both ends of the coil, a certain current will flow in the coil...
Like other electromagnetic relays, the magnetic latching relay is also an automatic switch, which automatically turns on and off the circuit. It is a bistable relay that relies on its own permanent ma...
Haiyan Weijia Electric Technology Co., Ltd. was established in 2008 with a registered capital of 20 million yuan, the company covers an area of 13 acres, with a total construction area about 12,000 square meters and more than 300 employees.
Contact us
