What is a motor protection circuit breaker ?

What is a motor protection circuit breaker ?


The motor protection circuit breaker (MCCB) is one of the indispensable protective devices for the squirrel cage asynchronous motor in sta ...

Introduction and working principle of contactor

Introduction and working principle of contactor

Contactors are divided into AC contactors (voltage AC) and DC contactors (voltage DC), which are used in electric power, power distribution ...

About Air Circuit Breaker

About Air Circuit Breaker

Air switch, also called air circuit breaker, is a type of circuit breaker. As long as the current in the circuit exceeds the rated current, ...

Application and development history of surge protectors

Application and development history of surge protectors

Ambient and Installation Conditions
● Altitude up to 2000m;
● Ambient medium temperature should be within -5℃ to +40℃ (+45℃ for marine p ...

Key points of circuit breaker design

Key points of circuit breaker design


Design Points
The coordination of the circuit breaker and the circuit breaker should consider the instantaneous release action value of ...

How to choose miniature circuit breaker

How to choose miniature circuit breaker

Circuit breaker refers to a mechanical switching device that can switch on, carry and break current under normal circuit conditions, and can ...

The working principle of miniature circuit breaker

The working principle of miniature circuit breaker

Miniature circuit breaker, referred to as MCB, is the most widely used terminal protection electrical appliance in building electrical termi ...

Modular Socket Supplier

Modular Socket Supplier

EKP20,EKP20B and EKP7 Modular Socket can be used together with our modular products for connection of mobile devices, tools or electric and electronic non- Modular equipments directly inside civil and industrial switchboards. ...

Latching Relay Supplier

Latching Relay Supplier

Controlled by buttons for light switching from more places, are a practical replace-ment for three-way switches and cress-bar switches. ...

Changeover Switch Supplier

Changeover Switch Supplier

The Changeover Switch can switch on,Load and break the circuit under normal conditions,using as Switch Disconnectors. ...

Modular Digital Meter Supplier

Modular Digital Meter Supplier

The series of products manufactured by the company are mainly sold to international market. All the products produced are in strictly accordance with international IEC/EN standards and China's GB standards. ...

Modular Pushbutton Switch Supplier

Modular Pushbutton Switch Supplier

The Modular Pushbutton Switch is applicable to circuit with rated voltage up to 250V~and frequency 50Hz for controlling, signaling and interlocking. ...

Modular Signal Lamp Supplier

Modular Signal Lamp Supplier

The Modular Signal Lamp is applicable to circuit with rated voltage 230V~and frequency 50/60Hz for visual indication and signaling. ...

Modular Fuse Base Supplier

Modular Fuse Base Supplier

The three manufacturing departments are terminal distribution electrical appliances manufacturing department, industrial distribution electrical appliances manufacturing department and industrial control electrical appliances manufacturing department ...

Surge Protection Device Supplier

Surge Protection Device Supplier

The function of lightning and surge protection systems is to protect the devices, functional isolations and overvoltage-sensitive consumer equipments of energy distribution systems against all lightning and overvoltage damages. ...

Modular Contactor Manufacturer

Modular Contactor Manufacturer

The series of products manufactured by the company are mainly sold to international market. All the products produced are in strictly accordance with international IEC/EN standards and China's GB standards. ...

Mini Circuit Breaker Supplier Introduction

Mini Circuit Breaker Supplier Introduction

The three manufacturing departments are terminal distribution electrical appliances manufacturing department, industrial distribution electrical appliances manufacturing department and industrial control electrical appliances manufacturing department ...

Mini Circuit Breaker Manufacturer

Mini Circuit Breaker Manufacturer

The series of products manufactured by the company are mainly sold to international market. All the products produced are in strictly accordance with international IEC/EN standards and China's GB standards. ...

MCB Accessories Supplier

MCB Accessories Supplier

he three manufacturing departments are terminal distribution electrical appliances manufacturing department, industrial distribution electrical appliances manufacturing department and industrial control electrical appliances manufacturing department. ...

Auxiliary Contact Supplier

Auxiliary Contact Supplier

Zhejiang ETEK Electrical Technology Co.,Ltd. was founded on January of 2011, which has more than 200 employees now. It is a professional manufacturing company engaged in R & D ...

Isolation Switch EKD1-125 Supplier

Isolation Switch EKD1-125 Supplier

Zhejiang ETEK Electrical Technology Co.,Ltd. was founded on January of 2011, which has more than 200 employees now. It is a professional manufacturing company engaged in R & D ...

RCCB EKL2-40 6KA Supplier

RCCB EKL2-40 6KA Supplier

Zhejiang ETEK Electrical Technology Co.,Ltd. was founded on January of 2011, which has more than 200 employees now. It is a professional manufacturing company engaged in R & D ...

Modular Contactor Supplier

Modular Contactor Supplier

Zhejiang ETEK Electrical Technology Co.,Ltd.was founded on January of 2011, which has more than 200 employees now. It is a professional manufacturing company engaged in R & D ...

Mini Circuit Breaker Supplier

Mini Circuit Breaker Supplier

Zhejiang ETEK Electrical Technology Co.,Ltd. was founded on January of 2011, which has more than 200 employees now. It is a professional manufacturing company engaged in R & D ...