Molded Case Circuit Breaker with Residual Current Protection
This series applies to power distribution networks at AC 50/60Hz with a rated operational voltage of 400V (690V). It provides protection against overloads, short circuits, and residual currents.
Technical Specifications
Product Overview
KNM1L Series Circuit Breaker
The KNM1L series is a robust Moulded Case Circuit Breaker (MCCB) integrated with Residual Current Circuit Breaker (RCCB) functionality. Designed for power distribution networks, it provides comprehensive protection against overloads, short circuits, and ground faults to prevent fire hazards and ensure personnel safety. This versatile device is suitable for industrial and commercial applications, supporting infrequent motor starting and circuit switching.
Electrical Ratings
Rated Current
800 A
Max Rated Current
- Rated Operation Voltage
- 400 V
- Maximum Voltage
- 690 V
- Operating Frequency
- 50/60 Hz
Compliance & Standards
Utilization Category
Cat. A
- International Standards
- CECBSNFTSECM
Features & Accessories
Optional Accessories
- Shunt trip release
- Undervoltage release
- Auxiliary contact
- Alarm contact
- Rotary handle operation mechanism
- Motor operation mechanism
- Busbar
Integrated Safety Functions
- Overload protection
- Short circuit protection
- Residual current protection (30mA - 300mA)
- Manual test button
- Residual indication
