We source directly from Eaton - 100% genuine, new-in-box certified parts.
Eaton / Moeller Series
400A, 3P, circuit breaker, thermal-magnetic
The Eaton NZMH3-AEF400-NA is a 3-pole molded case circuit breaker designed for heavy-duty distribution protection. It features a thermal-magnetic trip unit with a fixed overload setting of 400 A and an adjustable short-circuit release range from 800 to 4400 A (delayed). Rated up to 690 V AC, this NZM3-frame breaker offers a high interrupting capacity of 100 kAIC at 480 V AC and 150 kAIC overall. It is equipped with front screw terminals and supports accessories such as a rocker lever and motor drive. This breaker is ideal for use in demanding power distribution applications.
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton |
|---|---|
| Model | NZMH3-AEF400-NA |
| Catalog Number | NZMH3-AEF400-NA |
| Product Type | Molded Case Circuit Breaker |
| Trip Type | Thermal-magnetic (T268) |
| Amperage Rating | 400 A |
| Number of Poles | 3 |
| Frame | NZM3 |
| Class | Distribution Circuit Protection |
| Connection Type | Front screw |
| Accessories | Rocker lever, motor drive |
| Product Dimensions (H×W×D) | 6.53 in × 6.53 in × 5.51 in |
| Weight | 5.5 lb |
| Voltage Rating | 690 V AC |
|---|---|
| Interrupt Rating at 480 V AC | 100 kAIC |
| Overall Short-Circuit Breaking Capacity | 150 kAIC |
| Overload Protection Range | 400–400 A (fixed) |
| Short-Circuit Release Range | 800–4400 A (delayed) |
| Standard Compliance | Contact Manufacturer (IEC-based) |
| Rated Operational Voltage | Up to 690 V AC |
| Rated Frequency | 50/60 Hz |
| Mounting Type | Fixed |
| Application | Distribution Circuit Protection |
| Frame Type | NZM3 |
| EAN | 4015082692865 |
1 year from installation / 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.