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Molded Case Circuit Breakers
Power Distribution, Motor Protection, Switchgear Assemblies and more.
NZMN1-4-A160 supplied by Eaton rated 690.
Key performance data includes breaking capacity Icn.
Typical applications include Power Distribution, Motor Protection, Switchgear Assemblies and more.
| General Information | |
|---|---|
| Delivery program - Installation type | Fixed |
| Electrical Characteristics | |
|---|---|
| Switching capacity - 400/415 V 50 Hz | 50 kA |
| Rated current = rated uninterrupted current | 160 A |
| Rated current = rated uninterrupted current - Neutral conductor | 100 % |
| Short-circuit releases - Non-delayed | 1280 A fixed |
| Short-circuit releases - max. | 1280 A |
| Circuit-breakers - Rated current = rated uninterrupted current | 160 A |
| Circuit-breakers - Rated surge voltage invariability | Uimp |
| Circuit-breakers - Rated operational voltage | 690 |
| Circuit-breakers - Overvoltage category/pollution degree | III/3 |
| Circuit-breakers - Rated insulation voltage | 690 V |
| Switching capacity - Rated short-circuit making capacity | Icm |
| Switching capacity - 240 V | 187 kA |
| Switching capacity - 400/415 V | 105 kA |
| Switching capacity - 440 V 50/60 Hz | 74 kA |
| Switching capacity - 525 V 50/60 Hz | 40 kA |
| Switching capacity - 690 V 50/60 H | 17 kA |
| Switching capacity - Rated short-circuit breaking capacity Icn | Icn |
| Switching capacity - Icu to IEC/EN 60947 test cycle O-t-CO | kA |
| Switching capacity - 240 V 50/60 Hz | 85 kA |
| Switching capacity - 400/415 V 50/60 Hz | 50 kA |
| Switching capacity - 690 V 50/60 Hz | 10 kA |
| Switching capacity - Ics to IEC/EN 60947 test cycle O-t-CO-t-CO | kA |
| Utilization category to IEC/EN | 60947-2 A |
| Max. operating frequency | 120 |
| Total break time at short-circuit | < 10 ms |
| Mechanical & Physical | |
|---|---|
| Delivery program - Construction size | NZM1 |
| Delivery program - Number of poles | 4 pole |
| Overload trip - Main pole | 125 - 160 A |
| General - Protection against direct contact | Finger and back of hand proof to VDE 0106 Part 100 |
| Between auxiliary contacts and main contacts | 500 |
| between the auxiliary contacts | 300 |
| Degree of protection - Device | In the operating controls area: IP20 (basic degree of protection) |
| Degree of protection - Enclosures | With insulating surround: IP40 With door coupling rotary handle: IP66 |
| Degree of protection - Terminations | Tunnel terminal: IP10 Phase isolator and strip terminal: IP00 |
| Degree of protection - Other technical data (sheet catalogue) | Temperature dependency, Derating |
| Circuit-breakers - Main contacts | 6000 V |
| Circuit-breakers - Auxiliary contacts | 6000 V |
| Terminal capacity - Standard equipment | Box terminal |
| Terminal capacity - Optional accessories | Screw connection Tunnel terminal connection on rear |
| Box terminal - Solid | 1 x (10 - 16) 2 x (6 - 16) |
| Box terminal - Stranded | 3) 1 x (10 - 70) 2 x (6-25) |
| Tunnel terminal - Solid | 1 x 16 |
| Environmental & Compliance | |
|---|---|
| Delivery program - Standard/Approval | IEC |
| General - Climatic proofing | Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30 |
| Ambient temperature - Operation | -25 - +70 °C |
| Additional Specifications | |
|---|---|
| Delivery program - Product range | Circuit-breaker |
| Delivery program - Protective function | System and cable protection |
| Delivery program - Release system | Thermomagnetic release |
| Delivery program - Description | Set value in neutral conductor is synchronous with set value Ir of main pole. |
| Delivery program - Standard equipment | Box terminal |
| Overload trip - Ir | 125 - 160 A |
| General - Standards | IEC/EN 60947 |
| Direction of incoming supply | as required |
| Circuit-breakers - Use in unearthed supply systems | ≦ 690 V |
| AC-1 - 400 V 50/60 Hz | 7500 |
| 415 V 50/60 Hz | 7500 |
| 690 V 50/60 Hz | 5000 |
Note: Specifications are taken from the official Eaton NZMN1-4-A160 datasheet.
Official technical documentation for the NZMN1-4-A160.
Typical applications of the NZMN1-4-A160.
Other models in the Eaton Molded Case Circuit Breakers product series.
