The Hager MTN150 is a 50A B curve single pole miniature circuit breaker with 6kA rated short-circuit breaking capacity in a 1 module DIN rail format. It is a current MTN range device for suitable Hager board layouts where the circuit schedule requires a 50A MCB.

• 50A rated current with B curve tripping characteristic
• 6kA rated short-circuit breaking capacity to IEC 60898-1
• Single pole 1P format in a 1 module body
• 230 to 400V AC rated operational voltage and 50 to 60Hz frequency
• Screw terminal top connection and biconnect bottom connection
• 70mm depth, 17.5mm width and 83mm height
• IP20 protection with 1 to 35mm² rigid and 1 to 25mm² flexible conductor capacity

What should be checked on a 50A MCB?

MTN150 is a higher-rated outgoing device, so cable size, installation method, grouping, load characteristics and fault level all need checking before ordering. The rating should be selected from the circuit design, not as a general upgrade from a lower amperage.

MCB protection only

This device protects against overload and short circuit. It is not an RCBO and does not provide 30mA residual-current protection, so the wider protective arrangement must be confirmed by the installer.

How does this help the Hager range page?

Listing MTN150 completes the higher end of the MTN B curve MCB offer. It also prevents users searching for Hager MTN150 or Hager 50A B curve MCB from landing on a 10kA NBN or NCN device by mistake.

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