We source directly from Eaton - 100% genuine, new-in-box certified parts.
Eaton / Moeller Series
550A, 3P, breaker, thermal-magnetic trip, UL
The Eaton NZMH3-AEF500-NA is a 550-amp, three-pole molded case circuit breaker from the NZM3 series, designed for high-capacity distribution circuit protection. This unit features a thermal-magnetic trip unit (T268) with a fixed overload setting of 500A and a delayed short-circuit trip range of 1000–4000A. With a voltage rating of 600 Vac and interrupting capacity up to 150 kAIC, it offers reliable performance in industrial environments. The breaker includes front screw terminals and supports accessories such as rocker levers and motor drives. It is UL listed and backed by Eaton’s standard warranty.
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton |
|---|---|
| Model | NZMH3-AEF500-NA |
| Series | NZM3 |
| Product Type | Molded Case Circuit Breaker |
| Amperage | 550 A |
| Poles | Three-pole |
| Trip Type | Thermal-magnetic (T268) |
| Frame Size | NZM3 |
| Terminals | Front screw |
| Protection Class | Distribution circuit protection |
| Voltage Rating | 600 V AC |
|---|---|
| Interrupting Capacity | 100 kAIC @ 480 V, up to 150 kAIC |
| Overload Protection Range | 500–500 A (fixed) |
| Short-Circuit Trip Setting | 1000–4000 A (delayed) |
| Accessories | Rocker lever, motor drive |
| Connection Type | Front screw |
| Certifications | UL Listed |
| Dimensions (HxWxD) | 6.53 in × 6.53 in × 6.53 in |
| Weight | 5.5 lb |
| Warranty | 1 year from installation or 18 months from shipment |
Doing business with KM Parts has been a game-changer for our company. Their vast inventory and prompt same-day shipping have significantly minimized our downtime. The team's expertise and willingness to go the extra mile have made them an invaluable partner in our industrial automation needs.
We only sell authorized Eaton/Moeller parts. No knock-offs, no used parts, all warrantied. As the largest authorized stocking USA distributor representing Eaton/Moeller, we’re here to help your company run smoothly, with the best parts available, at competitive pricing, and with minimal downtime.