What Is a Circuit Breaker
Circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions and can close, carry and break...2021-09-01Siemens APT sells FM series metal buttons and metal indicators
The FM series metal buttons and metal indicator lights produced by Siemens APT are suitable for various fields of industry and civil use, with...2021-08-13Nader participates in SNEC 2021 International Solar Photovoltaic Exhibition
On the morning of June 3, the annual international, professional and large-scale photovoltaic event-SNEC 15th(2021) International Photovoltaic...2021-07-18Introduction of China's low-voltage electrical appliances brand (1)
In the field of low-voltage electrical appliances in China, the two brands Nader and Chint are very popular. Their manufacturers are all listed...2021-05-18What is a Residual Current Circuit Breaker?
Residual current circuit breaker(RCCB) is a switch that can act automatically when the leakage current in the circuit exceeds a predetermined value...2020-11-01What is a Buzzer?
Buzzer is a kind of voice device that converts audio model into sound signal. It is mainly used to prompt or alarm. According to different design...2020-10-28Fault diagnosis and maintenance of air circuit breaker
There are many air circuit breakers in the distribution equipment of high-rise buildings, which are generally used as low-voltage main switch or...2020-10-27What is the difference between MCCB and ACB?
Moulded case circuit breaker and air circuit breaker are very common products, but many people do not understand the difference between them...2020-10-23What is an air circuit breaker?
Air circuit breaker(ACB) is a mechanical switching device which can turn on, carry and break current under normal circuit conditions, and also turn...2020-10-22What is a molded case circuit breaker?
Molded case circuit breakers(MCCBs) automatically cut off current when the current exceeds the trip setting. Plastic housing refers to the housing...2020-10-16
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Miniature Circuit Breakers
Miniature circuit breakers(MCBs) - 1pole, 2poles, 3poles, 4p...
DC Miniature Circuit Breakers
DC Miniature circuit breakers(MCBs) - 1pole, 2poles, 3poles,...
Molded Case Circuit Breaker
Molded Case Circuit Breakesr(MCCBs) - 2poles, 3poles, 4poles...
Air Circuit Breaker
Air Circuit Breakers(ACBs) - 3poles and 4poles; Rated curren...
Emergency Stop Switch
Emergency Stop Switches(E-Stops), also known emergency stop ...
Key Lock Switch
Key Lock Switches or Keylock Switches are electrical switch ...
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How does an emergency stop button work?
Emergency stop button switch is a fail-safe control switch that provides safety for the machinery and for the person using the machinery.
2020-08-09
What is the working principle of the buzzer?
The buzzer is a sounding device that can convert audio signals into sound signals. It is usually powered by DC voltage. It is mainly divided into...
2020-10-13
What is the principle of the push button switches?
We encounter various push button switches almost every day, such as medical equipment, automated production lines, and communication equipment.
2020-08-18
What is the principle and function of the relay?
A relay is an electronic control device, which has a control system and a controlled system , and is usually used in automatic control circuits.
2020-08-22
What are the common faults of relays?
During the use of the relay, due to various reasons, such as poor product quality, improper use, poor maintenance, etc., various failures often occur.
2020-09-02
What is the difference between NO and NC of the push button switches?
Terminal color distinguishes NO and NC contacts, terminal distinguishes NO and NC contacts, accurately measure NO and NC contacts with a multimeter.
2020-08-15
What is the difference between relay and contactor?
Both relays and contactors are electromagnetic switching devices, relays are switching devices that work in the control loop, and contactors are...
2020-08-25
What is a Buzzer?
Buzzer is a kind of voice device that converts audio model into sound signal. It is mainly used to prompt or alarm. According to different design...
2020-10-28
What do the different colors of the indicator light mean?
Indicator Lamp or Indicator Light is a widely used in the ship, machine tools, machine equipment, switch cabinet, power distribution cabinet.
2020-08-19
What is a miniature circuit breaker?
Miniature circuit breaker(MCB) is a small-capacity plastic case circuit breaker with very compact structure. It is a branch of low-voltage circuit...
2020-09-16