NZMB1-A63

The Eaton Cutler-Hammer NZMB1-A63 is engineered as a molded-case circuit breaker suitable for various applications. It operates with a three-pole design and can handle a rated current of 63 A. For operational efficiency, it is designed to function optimally at a voltage rating of 440 VAC. This device accommodates input voltages of 50/60 Hz, fitting into standard electrical systems seamlessly.

This circuit breaker showcases a rated insulation voltage of 690 V, ensuring that it can withstand considerable electrical stress. Its robust design includes an IP20 rating, offering basic protection against dust and foreign objects. When used with an insulating surround enclosure, it can achieve an IP40 rating, enhancing its ingress protection. The apparatus also remains operational within a wide temperature range of -25°C to +70°C, making it versatile for different environments. For storage, it can withstand temperatures from -40°C to +70°C without sustaining damage.

The NZMB1-A63 provides reliable protection with a short-circuit breaking capacity of 25 kA, allowing it to handle unexpected surges safely. Moreover, it features a short-circuit making capacity of 53 kA at 400/415V, which is crucial during fault conditions. The overload trip setting ranges between 50 to 63 A, accommodating various operational needs. Additionally, the short-circuit release setting is adjustable from 380 to 630 A, enhancing its adaptability.

This circuit breaker offers flexible mounting options, allowing either fixed mounting or installation on a DIN rail, facilitating integration into different setups. With its technical specifications, the NZMB1-A63 is a dependable choice for ensuring electrical safety and performance.