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Eaton / Moeller Series
125A, 4P, breaker, thermomagnetic, IEC
The Eaton NZMN1-4-A125 is a 4-pole, 125 A molded case circuit breaker from the Moeller NZM1 series. It features a thermomagnetic trip unit designed for system and cable protection. This breaker operates at up to 690 V AC, provides adjustable overload settings from 100 A to 125 A, and non-delayed short-circuit trip settings between 750 A and 1250 A. It offers a high breaking capacity of up to 50 kA at 415 V and conforms to IEC/EN 60947 standards. The device is rated IP20, supports various terminal options, and is suitable for fixed mounting in unearthed power systems.
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton |
|---|---|
| Model | NZMN1-4-A125 |
| Catalog Number | 265821 |
| Product Type | Circuit Breaker |
| Family | NZM1 Series |
| Type | NZMN1 |
| Poles | 4 |
| Amperage | 125 A |
| Trip Type | Thermomagnetic |
| Mounting | Fixed |
| Operator | Rocker Lever |
| Weight | 1.327 kg |
| Dimensions (HxWxD) | 145 × 120 × 84.5 mm |
| Voltage Rating (Ue) | 690 V |
|---|---|
| Insulation Voltage (Ui) | 690 V AC |
| Impulse Withstand Voltage (Uimp) | 6 kV |
| Interrupting Capacity (Ics @ 400/415 V) | 50 kA |
| Short-Circuit Release Setting | 750 A – 1250 A (non-delayed) |
| Overload Trip Setting (Ir) | 100 A – 125 A |
| Utilization Category | A (IEC/EN 60947-2) |
| Ambient Temperature | -25 °C to +70 °C |
| Storage Temperature | -40 °C to +70 °C |
| Ingress Protection | IP20 (device), IP66 with rotary handle |
| Standards | IEC/EN 60947 |
| Certifications | RoHS, IEC/EN 60947 |
| Terminal Type | Box terminal (screw/tunnel optional) |
| Mechanical Life | 20,000 operations |
| Electrical Life @ 400 V | 10,000 operations |
| Max Operating Frequency | 120 ops/h |
| Heat Dissipation | 26.7 W |
| Pollution Degree | 3 |
| Shock Resistance | 20 g (20 ms half-sinusoidal) |
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.
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