High class 1P+N 40A Magnetic RCBO 6kA mass production Sofielec SL7 series earth leakage circuit breakers

Welcome to enquire to us by formal email, so that we can receive your information smoothly and reply you promptly. Thank you.

Range of application

SL7 series of leakage circuit breaker is applicable for 230V AC voltage, 50HZ frequency, 40A rated current, and single-phase circuit and rated current below 40A. The breaker has the functions of leakage, overload and short circuit protection, can mainly be used for electric shock protection to prevent fire risk caused by ground connection fault of equipment, and adopts of electromagnetic/electronic leakage tripping system. Operative standard:GB16917 & IEC61009

Structure Characters

1、The detecting element and tripping

element shall be located between the incoming line terminal and outgoing line terminal.

2、The operating characteristic of the

product shall not be changed by any external machine tool.

3、The operating mechanism shall be

flexible and reliable, and have the function of free tripping.

4、The operating mechanism shall allow the moving contact of the product to remain only in closed or disconnected position and there shall be two obviously diacritical and resting positions corresponding to the position of the moving contact. The "green"indicates the disconnected position of the movable contact and the "red" indicates the closed position of the movable contact.

5、The electrical clearance and creepage distance of the product shall be not less than 3 mm.

6、The current-carrying parts of the product shall be made from copper

7、The part group used for transferring

the contact pressure shall ensure that the contact pressure of the product does not change in use.

8、The protective grade of the product shell shall be in the IP2LX level specified in GB/T4942.2.

Type SL7


Rated Current 6,10,16,20,25,32,40A
Rated voltage  230/240V
endurance Not less than 4000 times
Rated short-circuit breaking capacity 6000A
Protection class IP20
class AC    A


News Center

> What is a Circuit breaker

Circuit breaker is a crucial electrical component designed to protect electrical circuits and appliances from damage caused by excess current. It functions as a safe...

> 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...

> What is the difference between a low voltage circuit breaker and a high voltage circuit breaker?

High voltage circuit breaker is a mechanical device. The device can generate, carry and interrupt current under normal conditions. It can also carry and interrupt cu...

> 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,...



Get in Touch

Captcha Code
If you are interested to be our agent in your market, we will be your strong backup.
Find us to cooperate
We value your privacy
We use cookies to provide you with a better online experience, analyse and measure website usage, and assist in our marketing efforts.
Accept All