Product: Eaton Moeller series NZM molded case circuit breaker electronic
Description: Eaton Moeller series NZM – Molded Case Circuit Breaker. Circuit-breaker, 3p, 450A, withdrawable unit, H3-ME450-SVE
📋 Detailed Specifications
| Parameter | Value |
|---|---|
| Model Code | NZMH3-ME450-SVE |
| Catalog Number | 168912 |
| Global Catalog | 168912 |
| EAN / GTIN-13 | 4015081653997 |
| Length | 335.0 mm |
| Height | 215.2 mm |
| Width | 140.0 mm |
| Weight | 7.72 kg |
| Amperage Rating | 450 A |
| Voltage Rating (AC) | 690 V – 690 V |
| Rated Insulation Voltage (Ui) | 1000 V |
| Rated Operational Current (In) | 450 A |
| Number of Poles | Three-pole |
| Pollution Degree | 3 |
| Overvoltage Category | III |
| Degree of Protection | IP20 | IP20 (basic degree of protection, in the operating controls area) |
| Release System | Electronic release |
| Utilization Category | A (IEC/EN 60947-2) |
| Overload Setting (Ir) — min | 225 A |
| Overload Setting (Ir) — max | 450 A |
| Instantaneous Setting (Ii) — min | 900 A |
| Instantaneous Setting (Ii) — max | 5400 A |
| Short-time Withstand 0.3s | 3.3 kA |
| Short-time Withstand 1s | 3.3 kA |
| Ics @ 230 V | 150 kA |
| Ics @ 400/415 V | 130 kA |
| Ics @ 440 V | 130 kA |
| Ics @ 525 V | 33 kA |
| Ics @ 690 V | 9 kA |
| Icu @ 400/415 V | 130 kA |
| Icm @ 400/415 V | 330 kA |
| Icm @ 440 V | 286 kA |
| Icm @ 525 V | 143 kA |
| Icm @ 690 V | 74 kA |
| Uimp (main) | 8000 V |
| Uimp (auxiliary) | 6000 V |
| Mechanical Lifespan | 15000 operations |
| Electrical Lifespan | 2000 operations at 415 V AC-3 | 5000 operations at 400 V AC-1 | 3000 operations at 690 V AC-1 | 2000 operations at 690 V AC-3 | 5000 operations at 415 V AC-1 | 2000 operations at 400 V AC-3 |
| Ambient Temp — min | -25 °C |
| Ambient Temp — max | 70 °C |
| Standard Terminals | Screw terminal |
| Connection Type | Other |
| Frame Type | NZM3 |
| Handle Type | Rocker lever |
| Mounting Method | Plug-in unit | Built-in device plug-in technique |
| Application | Use in unearthed supply systems at 690 V |
| Functions | Phase failure sensitive | Motor protection |
| Special Features | Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn) | Rated current = rated uninterrupted current: 450 A | Terminal capacity hint: Up to 240 mm² can be connected depending on the cable manufacturer. | Tripping class 10 A | IEC/EN 60947-4-1, IEC/EN 60947-2 | The circuit-breaker fulfills all requirements for AC-3 switching category. |
| Compliances | RoHS conform |
| Certifications | IEC/EN 60947 | IEC |
📄 Specifications are sourced from official manufacturer datasheets and are provided for reference only.
For the latest official information and pricing, please contact us for an authoritative quotation.
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