Overcurrent circuit breaker, 6kA, B characteristic, 3-pole, 50A MBN350E

Reliable protection for your electrical installation

This three-pole Hager MBN350E circuit breaker is a key element in protecting electrical circuits. It provides effective protection against the effects of overloads and short circuits, guaranteeing safety and durability of the installation. Designed for use with three-phase circuits, it will work well in both domestic and industrial installations.

Functionality and parameters

The circuit breaker is characterized by a rated current of 50A and a B characteristic, which means a quick reaction to current increase, ideal for protecting devices of a resistive or slightly inductive nature – such as lighting or sockets. The short-circuit breaking capacity of 6kA ensures effective disconnection of the circuit in the event of a failure, minimizing the risk of damage. Additionally, the rated voltage of 400V and frequency of 50/60Hz guarantee compatibility with most electrical installations in Poland.

• Three-pole design (3P): Full protection of three-phase circuits.
• B characteristic: Quick reaction to overloads and short circuits, protecting sensitive devices.
• Rated current 50A: Safe operation with high loads.
• Short-circuit breaking capacity 6kA: Effective protection against serious failures.
• Width 3 modules: Compact dimensions make it easy to mount in a distribution board.
• Operating temperature range -25°C to +70°C: Possibility of use in various environmental conditions.
• Screw and biconnect terminals: Allow flexible connection of wires with a cross-section from 1mm² to 35mm².

Installation and application

The MBN350E circuit breaker is designed for mounting on a TH35 rail (standard DIN rail). Its versatility makes it applicable in many areas:

• Domestic installations: Protection of main power lines or circuits with high power demand (e.g. kitchen, bathroom).
• Industrial installations: Protection of machines and equipment against overloads and short circuits.
• Electrical distribution boards: A key element of every control cabinet providing comprehensive installation protection.
• Commercial buildings: Protection of installations in offices, shops and other public utility buildings.

Thanks to its high quality and compliance with safety standards, the Hager MBN350E circuit breaker is an investment in the long-term and trouble-free operation of your electrical installation.