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Eaton / Moeller Series
63A, 3P, circuit breaker, magnetic only, IEC
The Eaton Moeller NZM1-S63 is a 3-pole molded case circuit breaker rated for 63 A. It features a magnetic-only trip unit for short-circuit protection and is suitable for AC-3 motor protection when used with a separate overload relay. Designed for voltages up to 690 V, it offers short-circuit breaking capacities up to 100 kA (230 V) and 35 kA (400/415 V). The breaker complies with IEC/EN 60947-2 and 60947-4-1 standards and is RoHS conformant. It features front-side rocker operation, is mountable as a fixed unit, and supports various terminal configurations for copper and aluminum conductors. With robust construction, it is ideal for demanding industrial applications.
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton Moeller |
|---|---|
| Model | NZM1-S63 |
| Catalog Number | 284438 |
| Product Type | Molded Case Circuit Breaker |
| Release Type | Magnetic only |
| Amperage Rating | 63 A |
| Number of Poles | 3 |
| Frame Size | NZM1 |
| Handle Type | Rocker lever |
| Mounting Method | Fixed installation |
| Utilization Category | A (IEC/EN 60947-2) |
| Function | Short-circuit protection |
| Product Dimensions (H×W×D) | 145 mm × 90 mm × 84.5 mm |
| Weight | 1.046 kg |
| Certifications | IEC/EN 60947-2, 60947-4-1, RoHS conform |
| Voltage Rating | 690 V AC |
|---|---|
| Rated Insulation Voltage (Ui) | 690 V |
| Rated Impulse Withstand Voltage (Uimp) | 6000 V |
| Rated Operational Current (Ie, 400 V AC-3) | 55 A |
| Rated Operating Power at 230 V AC-3 | 18.5 kW |
| Rated Operating Power at 400 V AC-3 | 30 kW |
| Short-Circuit Breaking Capacity Ics (230 V) | 100 kA |
| Short-Circuit Breaking Capacity Ics (400/415 V) | 35 kA |
| Short-Circuit Breaking Capacity Ics (690 V) | 7.5 kA |
| Short-Circuit Making Capacity Icm (400/415 V) | 220 kA |
| Short-Circuit Release Setting | 504–882 A |
| Overload Release | Not included |
| Power Loss | 6.7 W |
| Heat Dissipation | 14.17 W (current dependent) |
| Mechanical Lifespan | 20,000 operations |
| Electrical Lifespan (400 V AC-3) | 7,500 operations |
| Max Operations per Hour | 120 |
| Ambient Temperature Range (Operating) | -25 °C to +70 °C |
| Degree of Protection (Front) | IP40/IP66 (with handle) |
| Degree of Protection (Terminals) | IP00/IP10 |
| Shock Resistance | 20 g / 20 ms |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| Connection Type | Box, tunnel, rear screw terminal |
| Cable Terminal Capacity | Up to 95 mm² (copper/aluminum) |
| Control Cable Capacity | 0.75–2.5 mm² |
| Standard Terminals | Box terminal |
| Optional Terminals | Rear screw, tunnel |
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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