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Eaton Cutler-Hammer NZM Series NZMB1-A125

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NZMB1-A125

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The NZMB1-A125, part of Eaton Cutler-Hammer's NZM Series, is a molded-case circuit breaker designed for reliable electrical protection. With a current rating of 125 A, it operates at a stable voltage of 440 V while ensuring effective isolation between contacts. The device is lightweight at 2.35 lbs, and possesses essential features for rigorous applications.

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Technical specifications for NZMB1-A125

ManufacturerEaton Cutler-Hammer
Product TypeMolded-case Circuit Breaker
Product LineNZM Series
Part NumberNZMB1-A125
EAN4015082590802
Amperage Rating125 A
Voltage Rating440 V to 440 V
Pollution DegreeDegree 3
Power Loss26.7 W
Isolation500 V AC between the auxiliary contacts and the main contacts
Number of Poles3 Poles
Shock Resistance20 G
Short Circuit Total Breaktime< 10 ms
Handle TypeRocker Lever
Degree of ProtectionIP 20
Operating Temperature– 25 to +70°C
Storage Temperature– 40 to +70°C
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Eaton Cutler-Hammer presents the NZMB1-A125 molded-case circuit breaker as a critical component for electrical safety. This unit operates with a current rating of 125 A and is engineered to handle a consistent voltage of 440 V. Weighing just 2.35 lbs, the circuit breaker is designed for easy handling and mounting in various applications.

The NZMB1-A125 adheres to a pollution degree rating of 3, indicating its suitability for environments with higher levels of contaminants. It features an effective isolation standard of 500 V AC between the auxiliary and main contacts, ensuring reliable separation in operational conditions. With three poles, this breaker is constructed for efficient circuit management.

For situations involving electrical shock, the NZMB1-A125 offers impressive shock resistance rated at 20 G. The breaker reacts quickly to fault conditions, boasting a short circuit total breaktime of less than 10 ms, thus minimizing damage during faults. The rocker lever handle type allows for straightforward operation.

Rated with IP 20 for protection, the breaker operates efficiently in an ambient temperature range from –25 to +70°C. Additionally, it can be stored under a broader temperature spectrum of –40 to +70°C, providing flexibility in various conditions. The device's power loss is measured at 26.7 W, making it energy-efficient while performing its protective functions.