Introduction
The ETIBREAK NBS series of low voltage moulded case circuit breakers (MCCBs) are designed for the switching and protection of power supply cables, motors and other electrical equipment against overloads and short-circuit faults.

The ETIBREAK NBS series of low voltage moulded case circuit breakers (MCCBs) are designed for the switching and protection of power supply cables, motors and other electrical equipment against overloads and short-circuit faults.

Terminal protection covers and interpole barriers minimise the risk of touching live parts while providing maximum insulation between phases at the terminals.
Plug-in and draw-out breakers allow easy replacement of breakers without disturbing terminations.
ETIBREAK NBS circuit breakers can be mounted at any angle without affecting performance.
All information on the front of the breaker is permanently laser printed for long-lasting identification.
The ETIBREAK NBS series offers a comprehensive portfolio of low-voltage moulded case circuit breakers designed for reliable protection of power distribution systems. With multiple frame sizes, trip unit technologies and breaking capacities, the series provides solutions for applications ranging from standard installations to demanding industrial environments.
The ETIBREAK NBS portfolio includes:
ETIBREAK NBS moulded case circuit breakers are designed for the switching and protection of power supply cables, motors and other electrical equipment against overloads and short-circuit faults.
They are suitable for use in industrial, commercial and infrastructure low-voltage power distribution systems.
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