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Eaton / Moeller Series
Eaton Moeller series NZM molded case circuit breaker, model NZMH1-4-A160 (cat. no. 284434), provides system and cable protection with a thermomagnetic trip unit adjustable from 125 A to 160 A. This 4-pole, Frame 1 (NZM1) device is rated to 690 V, offers up to 100 kA Ics at 230 V and 50 kA Ics at 400/415 V, and features a rocker-lever operator, fixed mounting with optional DIN-rail adapter, and standard box terminals with additional rear/tunnel terminal options. It meets IEC/EN 60947 requirements, is RoHS conform, IP20 basic protected at the operator area (up to IP66 with accessories), and is designed for use in unearthed systems at 690 V.
160A, 4P, MCCB, thermomagnetic, IEC
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton Moeller |
|---|---|
| Series | NZM |
| Model Code | NZMH1-4-A160 |
| Catalog Number | 284434 |
| Product Type | Molded Case Circuit Breaker (thermomagnetic) |
| Frame Size / Type | Frame 1 / NZM1 |
| Amperage Rating | 160 A |
| Poles | 4 |
| Trip / Release | Thermomagnetic; Ir adjustable 125–160 A; Ii fixed 1280 A |
| Operator | Rocker lever |
| Mounting | Fixed; built-in; DIN-rail (optional) |
| Standard Terminals | Box terminal (busbar terminal for Cu available) |
| Dimensions (H × W × D) | 145 mm × 120 mm × 84.5 mm |
| Weight | 1.325 kg |
| Voltage Rating | 690 V |
|---|---|
| Rated Insulation Voltage (Ui) | 690 V AC |
| Rated Impulse Withstand (Uimp) | 6 kV (main & auxiliary) |
| Ics @ 230 V, 50/60 Hz | 100 kA |
| Ics @ 400/415 V, 50/60 Hz | 50 kA |
| Ics @ 440 V, 50/60 Hz | 35 kA |
| Ics @ 525 V, 50/60 Hz | 10 kA |
| Ics @ 690 V, 50/60 Hz | 7.5 kA |
| Icm (Making) @ 240 V | 220 kA |
| Icm (Making) @ 400/415 V | 220 kA |
| Icm (Making) @ 440 V | 154 kA |
| Icm (Making) @ 525 V | 40 kA |
| Icm (Making) @ 690 V | 17 kA |
| Utilization Category | A (IEC/EN 60947-2) |
| Power Loss (at In) | 36.1 W |
| Short-Circuit Total Break Time | < 10 ms |
| Degree of Protection | IP20 (operator area); up to IP66 with door-coupling handle; IP40 with insulating surround |
| Protection Against Direct Contact | Finger/back-of-hand proof per DIN EN 50274 / VDE 0106-110 |
| Pollution Degree / Overvoltage Cat. | 3 / III |
| Ambient Operating Temp. | −25 °C to +70 °C |
| Mechanical / Electrical Life | 20,000 ops / up to 7,500 ops (AC-1, per voltage) |
| Main Circuit Connection | Frame clamp; front-side connection |
| Terminal Options | Box (std); rear screw; tunnel terminal |
| Busbar Capacity (Cu) | 12×5 mm (min) to 16×5 mm (max) at rear-side connection |
| Application | Use in unearthed supply systems at 690 V |
| Certifications / Compliance | IEC/EN 60947; RoHS conform |
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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