Description
The VM3 MCCB series moulded case circuit breaker is a robust and versatile solution designed for effective circuit protection in various industrial applications. With a rated working voltage of AC 400V and a current range of 10-800A, this circuit breaker is engineered to handle demanding power requirements. It boasts an impressive ultimate short-circuit breaking capacity of 35-85kA, ensuring reliable operation under fault conditions.
Constructed to meet rigorous standards including GB/T14048.2 and IEC60947-2, the VM3 series circuit breakers provide overload, short-circuit, and under-voltage protection to safeguard your electrical systems. The adjustable delay functions—0.8×In, 0.9×In, and 1.0×In—allow for customized settings based on specific operational needs. Designed for flexible installation, this circuit breaker can be mounted either vertically or horizontally, making it suitable for a variety of setups.
Specifications
| Attribute | Details |
|---|---|
| Rated Working Voltage | AC 400V |
| Rated Working Current | 10-800A |
| Ultimate Short-Circuit Breaking Capacity | 35-85kA |
| Rated Insulation Voltage | 1000V |
| Rated Impulse Withstand Voltage | 12kV |
| Frequency | 50/60Hz |
| Number of Poles | 3/4 |
| Standards | GB/T14048.2, IEC60947-2 |
Additional Information
- Overload, short-circuit, and under-voltage protection functions
- Three adjustable delay functions: 0.8×In, 0.9×In, 1.0×In
- Flexible installation options: vertical or horizontal
