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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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22/Sep
2021
Principle and Application of Residual Current Operated Relay
With the continuous development of my country's low-voltage electrical system and economic construction scale, people have also put forward higher requirements for improving po
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04/Aug
2021
What is a solid state relay?
Solid state relay (SOLIDSTATERELAYS, hereinafter referred to as SSR), is a new type of non-contact switching device composed of solid electronic components. It uses the switching c
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22/Jul
2021
Talk about relay contacts in detail
Contact failure type The contact is the most important structural part of the relay. The service life of the contact is affected by the contact material, the voltage and current va
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07/Jul
2021
Selection and use principle of automobile plug-in electromagnetic relay
The role and classification of relays A relay is a component that produces a predetermined jump in one or more of its output when the input reaches the specified conditions. The ma
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01/Jul
2021
What is a power relay?
The working principle and characteristics of power relay (relay) When the input quantity (such as voltage, current, temperature, etc.) reaches the specified value, the electrical a
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30/Jun
2021
The difference between safety relay and ordinary relay
Before clarifying safety relays, you need to understand the difference between ordinary relays and forced oriented relays: Ordinary relay: the contacts are fused, which will cause
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16/Jun
2021
How does the magnetic latching relay work?
The working principle of magnetic retention: When a current is applied to a coil in different directions, the coil generates a magnetic field of different polarity, and then attrac
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01/Jun
2021
What is the reason why the relay is not disconnected？
1. The load current is greater than the rated switching current of the SSR, which will permanently short-circuit the relay. At this time, an SSR with a larger rated current should
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20/May
2021
Count the internal faults of the relay
Hello, everyone~ Relays are widely used. If you use relays frequently, you will definitely encounter relay failures. The editor has sorted out 4 common causes of internal relay fai
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01/May
2021
What is the working principle of the time relay
The working principle of time relay When the coil is energized, the iron core attracts the armature and the pallet and moves down, and the contact is turned on or off. The piston r
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30/Apr
2021
Several tests of relays
Measuring contact resistance Use the resistance profile of the universal meter to measure the resistance of the normally closed contact and the moving point. The resistance value s
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22/Apr
2021
How to use the intermediate relay and thermal relay, how to use it to control...
Let's talk about the intermediate relay first. Because the intermediate relay has more contacts and a wider voltage range of the coil, it is generally used in the circuit to co