What is the role of a fuse?
A fuse refers to an electrical device that, when the current exceeds a specified value, uses the heat generated by itself to fuse the melt and disconnect the circuit. A fuse is a device that uses the heat ...
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Precautions for the working principle of molded case circuit breakers
The molded case circuit breaker adopts a heat release contact. When the current exceeds the rated value, the contact is heated, causing the spring force to decrease, ultimately causing the contact to move ...
The meaning and working principle of RCCB, and a few points you want to know
This article will tell you about the working principle, function, and main structure of residual current circuit breaker (RCCB), and solve customers' concerns about residual current circuit breakers, such ...
The difference between MCB (Miniature Circuit Breaker) and RCCB (Residual Current Circuit Breaker)
There is a difference between MCB (miniature circuit breaker) and RCCB (residual current circuit breaker) in terms of functionality, operation, sensitivity and application. MCB is mainly used to protect ci...
RCBO (Residual Current Operated Circuit Breaker) Customer Reviews
In the attachment you will find some test results of our lab, where you can see that we tested the leaking current, and for all samples this was measured at 24mA which is within the regulations and is okey...
Design Points And Wiring Forms Of SPD Surge Protective Device In Power Distribution System
SPD surge protective device manufacturer tells you,there are four types of grounding systems for low-voltage distribution systems: IT, TT, TN-S, and TN-C-S. Therefore, SPD needs to choose different wiring ...
What do you want to know about circuit breakers
Where are circuit breakers usually used?Mainly suitable for circuits with AC 50Hz/60Hz, rated working voltage of 240v/415v and below, and rated current up to 60a. This circuit breaker is mainly used for ov...
How SPD Surge Protective Device Works
SPD surge protective device working principle is that when there is an instantaneous overvoltage on the power line or signal transmission line, the surge protector will release the overvoltage to limit the...
Sofielec hot sale circuit breaker 16 series
Our 16 series products all have original and new designs, novel appearances, and patent protection. Our workshop has semi-automatic and fully automatic testing equipment, and all procedures are controlled ...
What is a MCB Used for?
Miniature Circuit Breaker designed to trip during an overload or short circuit to protect against electrical faults and equipment failure. Miniature Circuit Breakers are widely used as isolating components...
what is the use of shunt trip coil in mccb
The MCCB shunt trip coil is usually connected to an external control circuit or switch. When a fault or abnormal condition (such as an overcurrent or short circuit) is detected in the electrical system, th...
The purpose, working principle, and usage instructions of the distribution box
The distribution box is an electrical equipment with the characteristics of small size, easy installation, special technical performance, fixed position, unique configuration function, no site restrictions...