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- 1289 Tanjialing West Road, Lanjiang Street, Yuyao City, Zhejiang Province, China
- humphreyzhu@nbc-relays.com
- +86-574-62824561
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13/Apr
2021
Relay adhesion detection: several reasons for contact welding
Today, I will talk about the adhesion detection of relays. It is a very important part of the BMS function. Let's first introduce the related concepts. Regarding the adhesion c
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02/Apr
2021
How to choose a solid state relay
The following are the options to be considered when choosing an appropriate solid state relay according to actual needs: 1) Load voltage-AC or DC 2) Load current-maximum current an
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10/Mar
2021
Five common problems of relays and their solutions
1. The contact is loose and cracked The contact is the electrical contact part of the relay to switch the load. The contacts of some products are press-fitted by riveting. The main
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01/Mar
2021
What is the working principle of an overcurrent relay
Overcurrent relay is a relay protection device that protects main equipment such as motors and transformers. It has the characteristics of definite time and inverse time. When the
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25/Feb
2021
What is the difference between a polarized relay and a non-polarized relay?
Polarized relay (polarized relay) DC polarized relay. Referred to as a pole relay. This relay has the function of reflecting the direction of the external input signal electrode (p
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02/Feb
2021
Learn some knowledge of switching appliances-relay and AC contactor
Relays and AC contactors look very similar. They both have coils and electromagnetic systems, and both have contacts or contacts. But the relay does not have an arc extinguishing s
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20/Jan
2021
What is an intermediate relay? Full analysis of intermediate relay classifica...
Intermediate relays are used in relay protection and automatic control systems to increase the number and capacity of contacts. They are also used to transmit intermediate signals
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01/Jan
2021
What are the three basic parts of a relay?
Relays can be divided into contact and non-contact forms. There are many types according to their functions, such as light, sound, electromagnetic, temperature, air pressure, water