The NM8N Moulded Case Circuit Breaker (MCCB) is designed for low-voltage distribution systems, providing protection against overload, short-circuit, and undervoltage faults. It also supports motor protection, isolation, and residual current protection, making it suitable for a wide range of industrial and commercial applications. The breaker can be installed vertically or horizontally, with both top and bottom line entry options.

What are the advantages of choosing an electronic trip unit (EN or EM type) instead of a thermal-magnetic one? Electronic trip units provide greater accuracy and adjustability. They allow users to fine-tune protection parameters such as long-time, short-time, and instantaneous trips, as well as earth fault detection (EM models). This is especially useful for critical loads or selective coordination in complex networks.

Technical Specification: 

• Comprehensive protection: Overload, short-circuit, and earth fault.
• Rated Current: 630A
• Poles: 3P
• Rated Operational Voltage (Ue): 690V
• Unit Unit: (EN) Basic electronic trip unit
• High breaking capacity: 50kA at 415V.
• Standards compliance: Fully meets IEC 60947 series.
• Durability: Mechanical life up to 25,000 cycles
• Optional accessories 

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