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Eaton / Moeller Series

NZMH4-63-CNA

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The Klockner-Moeller NZMH4-63-CNA is a molded case circuit breaker designed for motor overload protection applications. It features an adjustable thermal trip range of 40–63A and an adjustable magnetic trip range of 400–800A, allowing for flexible protection settings across a variety of motor loads. This 3-pole breaker supports robust motor performance with horsepower ratings of 20 HP at 200V and 230V, 40 HP at 460V, and 60 HP at 575V. Engineered for reliable system and cable protection, it meets UL, CSA, and IEC standards, making it ideal for industrial motor control systems.

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  • Technical Specifications
Model NZMH4-63-CNA
Adjustable Thermal Range (Motor Overload Protection) 40–63A
Adjustable Magnetic Trip Range 400–800A
Motor Rating @ 200V 20 HP
Motor Rating @ 230V 20 HP
Motor Rating @ 460V 40 HP
Motor Rating @ 575V 60 HP

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