Eaton NZMB1-S40-CNA Molded Case Circuit Breaker - 25 kAIC

Feature → Magnetic-only trip; Business Impact → Fast fault interruption with a 25 kAIC rating protects downstream equipment and reduces arc exposure; Application → Motor control circuits in MCCs and protection panels. Magnetic-only protection minimizes nuisance trips and simplifies coordination with upstream devices, delivering predictable performance in short-circuit events. This is particularly beneficial for compact motor drives and panel layouts where a quick, clean interrupt is paramount. Feature → NZM1 frame with compact dimensions; Business Impact → Small footprint enables easier panel integration and enclosure savings; Application → Space-constrained panels and OEM installations. The NZMB1-S40-CNA weighs 2.45 lb and measures 2.68 in depth x 5.71 in height x 3.54 in width, simplifying mounting in tight enclosures and reducing overall panel cost. Feature → Three-pole, 480 Vac rating; Business Impact → Robust three-phase protection for industrial motors; Application → 480 Vac motor drives and control systems. This device supports 40 A nominal current with a short-circuit capacity of 25 kAIC, and it delivers 15 kW at 230 Vac or 22 kW at 400 Vac for motor start-up and running performance. Feature → Magnetic switch off; Business Impact → Safe maintenance and controlled disconnection during servicing; Application → Routine testing and safe panel de-energization. The magnetic shutoff feature simplifies lockout/tagout procedures and reduces risk during inspection cycles. Feature → Warranty and support; Business Impact → Reduced lifecycle risk and reliable replacement options; Application → OEMs and panel builders seeking dependable after-sales support. Eaton’s policy provides coverage aligned with standard industrial procurement expectations.