Product Description：
1. With a higher performance-to-size ratio, it can provide users with more space for cable wiring and reduce the size of the switch cabinet;
2. Compact structure and extraordinary performance;
3. Extremely simple installation, operation and maintenance;
4. Complete accessories, easy to use and strong applicability;
5. It has the characteristics of small size, high breaking point, short flashover, and anti-vibration;
6. Install vertically or horizontally without reducing its technical performance.
- Application
- Features
- Conditions of Use
- Quick Selection Table
- Technical Parameters
SFX series Moulded case circuit Breakers (hereinafter referred to as circuit breakers), with rated insulation voltage of 1000V,are suitable for infrequent conversion and motor protection in circuits with ac 50Hz/60Hz,rated working voltage of 400V/690V and below, rated working current up to 800A(no motor protection type with ratedcurrent>630A) Circuit breaker with overload, short circuit and under-voltage protection function,can protect the line and power equipment from damage, and suitable for isolation; The circuit breaker equipped with electronic release has the function of protecting the line from overload, short circuit and undervoltage, and also has the protection of ground fault.
1. With a higher performance-to-size ratio, it can provide users with more space for cable wiring and reduce the size of the switch cabinet;
2. Compact structure and extraordinary performance;
3. Extremely simple installation, operation and maintenance;
4. Complete accessories, easy to use and strong applicability;
5. It has the characteristics of small size, high breaking point, short flashover, and anti-vibration;
6. Install vertically or horizontally without reducing its technical performance.
1. Installation site altitude: ≤2000m;
2. Operating environment temperature: -5~+40℃;
3. Relative air humidity: no more than 95% at +20℃; no more than 50% at +40℃;
4. Installation environment: a place without significant vibration and impact , installation category : Level III ;
5. It should be placed in an area without explosive hazard and without gases and conductive dust that can corrode metals and damage insulation;
6. In places without rain or snow.
7. Pollution level: Level 3;
8. The installation category of the main circuit is III , and the installation category of the auxiliary circuit and control circuit is II .
