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Eaton Cutler-Hammer NZM Series NZMB1-AF40-NA

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NZMB1-AF40-NA

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The NZMB1-AF40-NA is a molded case circuit breaker in Eaton Cutler-Hammer's NZM Series, rated for continuous currents of 40 A. With a voltage rating of 480Y / 277 V AC, it is designed for efficient electrical protection.

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Technical specifications for NZMB1-AF40-NA

ManufacturerEaton Cutler-Hammer
Product TypeMolded Case Circuit Breaker
Product LineNZM Series
Part NumberNZMB1-AF40-NA
Rated Continuous Current40 A
Voltage Rating480Y / 277 V AC
Trip Unit TypeThermal-Magnetic
Trip Rating Range320 A – 400 A
Terminal Connection TypeFront frame clamp
Handle TypeRocker lever
Minimum Operating Temperature-25 °C
Maximum Operating Temperature70 °C
Minimum Storage Temperature-40 °C
Maximum Storage Temperature70 °C
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The Eaton Cutler-Hammer NZMB1-AF40-NA is designed to provide reliable circuit protection. This molded case circuit breaker has a rated continuous current of 40 A and weighs 3.0 lbs, making it lightweight yet durable. It operates effectively with a voltage rating of 480Y / 277 V AC, which is suitable for a variety of industrial applications.

In terms of protection mechanisms, the circuit breaker utilizes a thermal-magnetic trip unit, which gives it a broad trip rating range that falls between 320 A and 400 A. This flexibility ensures it can meet varying load demands while safeguarding equipment from overload conditions.

The design incorporates a front frame clamp connection type, ensuring a secure fit. The easy-to-use rocker lever handle simplifies the act of switching the circuit on and off. Operating conditions are well-supported, with the device functioning at temperatures as low as -25 °C and up to a maximum of 70 °C. When it comes to storage, the NZMB1-AF40-NA can withstand temperatures from -40 °C during storage phases, also capping at 70 °C, ensuring it remains operational and safe across a range of environments.