We source directly from Eaton - 100% genuine, new-in-box certified parts.
Eaton / Moeller Series
450A, 3P, breaker, electronic trip, UL/CSA/IEC/CE
The Eaton 269287 (model NZMH3-AEF450-NA) is a 450-amp, three-pole molded case circuit breaker from the Moeller NZM series. It features an electronic trip unit with fixed overload protection and an adjustable instantaneous short-circuit release range of 900–3600 A. Designed for demanding distribution and feeder circuit protection, it is rated for 690 V AC and supports high short-circuit breaking capacities up to 150 kA at 415 V. The unit uses screw-type terminals and supports copper or aluminum wiring. Certified to UL 489, CSA, IEC 60947-2, and CE standards, it offers durable performance with up to 5000 electrical operations and 15,000 mechanical operations.
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton |
|---|---|
| Model | NZMH3-AEF450-NA |
| Catalog Number | 269287 |
| Series | Moeller NZM |
| Product Type | Molded Case Circuit Breaker |
| Amperage | 450 A |
| Poles | Three-pole |
| Trip Type | Electronic |
| Frame Size | NZM3 |
| Terminals | Screw |
| Handle Type | Rocker lever |
| Voltage Rating | 690 V AC |
|---|---|
| Rated Insulation Voltage (Ui) | 1000 V AC |
| Impulse Withstand Voltage (Uimp) | 8000 V (main), 6000 V (auxiliary) |
| Interrupting Capacity (Ics) | Up to 150 kA @ 415 V |
| Making Capacity (Icm) | Up to 330 kA @ 415 V |
| Overload Current Setting (Ir) | 450 A (fixed) |
| Instantaneous Trip Range (Ii) | 900 – 3600 A |
| Short-Circuit Break Time | < 10 ms |
| Utilization Category | A (IEC/EN 60947-2) |
| Certifications | UL 489, CSA, IEC 60947-2, CE |
| Compliances | RoHS conform |
| Protection Rating | IP20 (basic), IP66 (with handle), IP40 (insulating surround) |
| Ambient Temperature (Operating) | -25 °C to 70 °C |
| Mechanical Lifespan | 15,000 operations |
| Electrical Lifespan | Up to 5000 operations (400 V AC-1) |
| Power Loss | 60.75 W |
| Dimensions (HxWxD) | 297 mm × 140 mm × 166 mm |
| Weight | 6.34 kg |
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.