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Moeller NZMB1-A50-NA
Circuit Breaker


Thermo magnetic, Release 3-Pole

Protection of Systems and Cables
Terminals Standard, terminal screws as accessories


NZMB1-A50-NA Circuit Breakers
3-pole
Adjustable overload releases
Terminals standard, terminal screws as accessories

Rated current = rated
uninterrupted current
In = Iu
Setting range
Overload releases
Short-circuit releases
50 40 - 50 300 - 500

NZMB1-A50-NA Dimensions

NZMB1-A50-NA Dimensions

Inch to MM Conversion

Convert to MM

MM to Inch Conversion

Convert to Inches

NZMB1-A50-NA Protects Systems

NZMB1-A50-NA circuit breakers protect entire systems on all levels, from the main distribution board right up to the loads. As the incoming circuit-breaker, the NZMB1-A50-NA will of course also provide secondary side overload protection for the transformer. A variant with modified short-circuit releases also enables a power network with time selectivity.

Circuit Breaker Ordering Information

 Switching capacity (UL 489, CSA 22.1 No. 5.1) sym. rms (60 Hz) Switching capacity of the integrated switch-disconnector in accordance with IEC/EN 60947-3
at 400 V
Release System Releases Frame Size
Basic switching capacity 35 kA 240 V 60 Hz 18 kA 600 V 60 Hz Thermomagnetic release Adjustable NZM1

Return to NZM1

Return to NZMB1

Return to NZMB1-A


Circuit Breaker Engineering Information


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