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The working principle of AC contactor

The working principle of AC contactor

The working principle of the AC contactor is to use the electromagnetic force and the spring force to cooperate to realize the connection and breaki ...

Introduction to Molded Case Circuit Breakers

Introduction to Molded Case Circuit Breakers

Molded case circuit breakers are also called device circuit breakers. All parts are sealed in a plastic case. The auxiliary contacts, undervoltage rel ...

Precautions for using GCK low-voltage withdrawable switchgear

Precautions for using GCK low-voltage withdrawable switchgear

GCK low voltage withdrawable switchgear is widely used in power plants, substations, factories and mining enterprises and power distribution centers P ...

Introduction to Time Relay

Introduction to Time Relay

The timing relay can work between -40℃+55℃, and can work for up to 150 hours ...

Insulation accident of low voltage circuit breaker

Insulation accident of low voltage circuit breaker

Low-voltage circuit breaker insulation accidents can be divided into internal insulation accidents and external insulation accidents. The harm cause ...

Why does the low-voltage circuit breaker fail to operate

Why does the low-voltage circuit breaker fail to operate

The operation failure of the low-voltage circuit breaker is manifested by dragging or misoperation of the circuit breaker. Because the most basic an ...

Introduction of low voltage circuit breaker

Introduction of low voltage circuit breaker

Low-voltage circuit breakers are also called automatic air switches or automatic air circuit breakers, or circuit breakers for short. It is an electri ...

Meet you at the 127th Canton Fair 2020

Meet you at the 127th Canton Fair 2020

We sincerely invite you to visit our online booth and watch our live show of 127th Canton Fair Online. Live show: 10:00-22:00 GMT+8 from 15th to 24th ...

A Letter To Customers

A Letter To Customers

A letter to our customers: At the beginning of the Chinese New Year Spring Festival, China was shrouded in sudden new coronavirus. This epidemic viru ...

Happy Chinese New Year

Happy Chinese New Year

Dear Sir/Madam, Thank you for giving our company support in this year. The Chinese traditional Spring Festival is coming, We will have a vacation fr ...

Happy holidays!

Happy holidays!

Dear Sir/Madam, The holiday season is a wonderful time for us to remember the friends and customers who help our business and make our jobs a pleasur ...

Current Monitoring Relay Supplier

Current Monitoring Relay Supplier

Flexible adjustment by potentiometer, choice of 6 ranges: AC0.05-0.5A; AC0.1-1A; AC0.2-2A; AC0.5-5A; AC0.8-8A; AC1.6-16A. Possible to use for current ...

Circuit Breakers Supplier

Circuit Breakers Supplier

Founded in 1987, Changan Group Co.,Ltd  is a power supplier and exporter of industrial electrical equipment. passed ISO9001 / ISO14001 / OHSAS18001 in ...

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 Manufacturer

Changeover Switch Manufacturer

Passed ISO9001 / ISO14001 / OHSAS18001 inspection. It is a national high-tech enterprise, a top 500 private enterprise in China, a top 500 Chinese mac ...

Residual Current Circuit Breaker Supplier

Residual Current Circuit Breaker Supplier

We are committed to improving the quality of life and the environment through a professional R&D team, advanced management and effective services. ...

Bell Transformer EKBT Supplier

Bell Transformer EKBT Supplier

Passed ISO9001 / ISO14001 / OHSAS18001 inspection. It is a national high-tech enterprise, a top 500 private enterprise in China, a top 500 Chinese mac ...

Miniature Circuit Breaker Manufacturer

Miniature Circuit Breaker Manufacturer

Founded in 1987, Changan Group Co.,Ltd  is a power supplier and exporter of industrial electrical equipment. we are committed to improving the quality ...

EKMV Modular Voltage Meter Supplier

EKMV Modular Voltage Meter Supplier

Passed ISO9001 / ISO14001 / OHSAS18001 inspection. It is a national high-tech enterprise, a top 500 private enterprise in China, a top 500 Chinese mac ...

Isolation Switch Supplier

Isolation Switch Supplier

Founded in 1987, Changan Group Co.,Ltd  is a power supplier and exporter of industrial electrical equipment. we are committed to improving the quality ...

Miniature Circuit Breaker Supplier

Miniature Circuit Breaker Supplier

We are committed to improving the quality of life and the environment through a professional R&D team, advanced management and effective services. ...

Modular Contactor EKMF Supplier

Modular Contactor EKMF Supplier

Passed ISO9001 / ISO14001 / OHSAS18001 inspection. It is a national high-tech enterprise, a top 500 private enterprise in China, a top 500 Chinese mac ...

Modular Fuse Base Supplier

Modular Fuse Base Supplier

Founded in 1987, Changan Group Co.,Ltd  is a power supplier and exporter of industrial electrical equipment. ...

Modular Signal Lamp Manufacturer

Modular Signal Lamp Manufacturer

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