NZMH9-250/ZM9A-70-NA Eaton Molded Case Circuit Breaker

The NZMH9-250/ZM9A-70-NA is a 250A, 3-pole molded case circuit breaker with thermal-magnetic trip functionality. It features a fixed thermal trip setting of 70A and an adjustable magnetic trip range of 400–800A. Interrupting capacity is rated at 200kA at 240V AC and 85kA at 480V AC. The 'NA' suffix denotes a configuration designed for North American electrical systems. This device operates on inverse time characteristics for thermal protection and provides magnetic instantaneous tripping within the specified adjustment range.