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Eaton / Moeller Series
100A, 4P, circuit breaker, thermomagnetic, IEC
The Eaton Moeller NZM1-4-A100 is a 4-pole molded case circuit breaker rated at 100 A with a thermomagnetic trip unit. It supports voltages up to 690 V and is suitable for system and cable protection applications. With high short-circuit breaking capacities up to 100 kA (230 V) and a compact frame size, this device complies with IEC/EN 60947 standards and is RoHS conform. Its versatile installation options include fixed mounting with optional DIN rail. It provides finger-safe terminals (IP20) and front-side operation, and it supports additional features like rear connections and various terminal types. Designed for demanding industrial environments, it can operate from -25 °C to +70 °C and is suitable for unearthed systems.
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton Moeller |
|---|---|
| Model | NZM1-4-A100 |
| Catalog Number | 284430 |
| Product Type | Molded Case Circuit Breaker |
| Release Type | Thermomagnetic |
| Amperage Rating | 100 A |
| Number of Poles | 4 |
| Frame Size | NZM1 |
| Handle Type | Rocker lever |
| Mounting Method | Fixed (DIN rail optional) |
| Utilization Category | A (IEC/EN 60947-2) |
| Function | System and cable protection |
| Product Dimensions (H×W×D) | 145 mm × 120 mm × 84.5 mm |
| Weight | 1.325 kg |
| Certifications | IEC/EN 60947, RoHS conform |
| Voltage Rating | 690 V AC |
|---|---|
| Rated Insulation Voltage (Ui) | 690 V |
| Rated Impulse Withstand Voltage (Uimp) | 6000 V |
| Overload Current Setting (Ir) | 80–100 A |
| Short-Circuit Release Setting | 600–1000 A |
| Short-Circuit Breaking Capacity Ics (230 V) | 100 kA |
| Short-Circuit Breaking Capacity Ics (400/415 V) | 50 kA |
| Short-Circuit Breaking Capacity Ics (690 V) | 7.5 kA |
| Short-Circuit Making Capacity Icm (400/415 V) | 220 kA |
| Power Loss | 21.9 W |
| Heat Dissipation (Current Dependent) | 21.9 W |
| Mechanical Lifespan | 20,000 operations |
| Electrical Lifespan (400–415 V) | 10,000 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 |
| Terminal Types | Box, tunnel, rear screw |
| Cable Terminal Capacity | Up to 95 mm² (copper/aluminum) |
| Isolation Voltage (Auxiliary/Main) | 300 V / 500 V |
| Shock Resistance | 20 g / 20 ms |
| Pollution Degree | 3 |
| Overvoltage Category | III |
| Standards | IEC/EN 60947-2 |
| Climatic Proofing | IEC 60068-2-78, -2-30 (Damp Heat) |
| Direction of Incoming Supply | As required |
| Auxiliary Contacts | 0 (can be added) |
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.
