We source directly from Eaton - 100% genuine, new-in-box certified parts.
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Eaton / Moeller Series
40A, 3P, breaker, adjustable thermal, UL/CSA/IEC
Eaton / Klockner-Moeller NZMN1-A40-NA molded case circuit breaker 40 amp, 3 pole, short circuit release 320-400A, adjustable thermal trip 32-40 amps, system and cable protection, rated voltage 480 Y / 277 V, rated insulation voltage 690V, switching capacity 85kA@240V, 35kA@480V, 25kA@600V, box terminal connections, toggle switch operation, UL/CSA/IEC certified, frame size 1
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton |
|---|---|
| Series | Moeller NZM |
| Model | NZMN1-A40-NA |
| Catalog Number | 274237 |
| Product Type | Molded Case Circuit Breaker |
| Frame Size | NZM1 |
| Trip Type | Thermomagnetic |
| Amperage | 40 A |
| Poles | 3 |
| Operator | Rocker lever |
| Mounting | Fixed, DIN rail optional |
| Weight | 1.077 kg |
| Dimensions (H × W × D) | 165.5 × 90 × 88 mm |
| Voltage Rating | 690 V AC |
|---|---|
| Rated Insulation Voltage (Ui) | 690 V AC |
| Rated Impulse Withstand Voltage (Uimp) | 6000 V |
| Interrupting Capacity Ics @ 230 V | 85 kA |
| Interrupting Capacity Ics @ 400/415 V | 50 kA |
| Interrupting Capacity Ics @ 440 V | 35 kA |
| Interrupting Capacity Ics @ 525 V | 10 kA |
| Interrupting Capacity Ics @ 690 V | 7.5 kA |
| Making Capacity Icm @ 240 V | 187 kA |
| Making Capacity Icm @ 400/415 V | 105 kA |
| Making Capacity Icm @ 440 V | 74 kA |
| Making Capacity Icm @ 525 V | 40 kA |
| Making Capacity Icm @ 690 V | 17 kA |
| Short-Circuit Break Time | < 10 ms |
| Overload Current Setting (Ir) | 32–40 A |
| Instantaneous Current Setting (Ii) | 320–400 A |
| Utilization Category | A (IEC/EN 60947-2) |
| Degree of Protection | IP20 (basic), IP66 (with handle) |
| Ambient Operating Temperature | -25 °C to +70 °C |
| Storage Temperature | -40 °C to +70 °C |
| Mechanical Life | 20,000 operations |
| Electrical Life | 10,000 ops @ 400 V, 7500 ops @ 690 V |
| Terminal Type | Box terminal |
| Terminal Capacity (Cu Stranded) | 25–70 mm² (1x), 25 mm² (2x) |
| Terminal Capacity (Cu Solid) | 6–12 mm² |
| Terminal Capacity (Al Solid) | 16 mm² (1x) |
| Mounting Position | Any (front-side connection) |
| Shock Resistance | 20 g, 20 ms half-sinusoidal |
| Certifications | IEC 60947-2, UL 489, CSA, CE, RoHS |
| Climatic Proofing | IEC 60068-2-30 / -2-78 (damp heat) |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| Functions | System and cable protection, current limiting |
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.
Fax: +1 (941) 473-0987
