Product: Eaton Moeller series NZM molded case circuit breaker electronic
Description: Eaton Moeller series NZM – Molded Case Circuit Breaker. Circuit-breaker, 3p, 450A, busbar terminal for CU N, frame 3, AEF450-NA
📋 Detailed Specifications
| Parameter | Value |
|---|---|
| Model Code | NZMN3-AEF450-NA |
| Catalog Number | 269279 |
| Global Catalog | 269279 |
| EAN / GTIN-13 | 4015082692797 |
| Length | 166.0 mm |
| Height | 297.0 mm |
| Width | 140.0 mm |
| Weight | 6.34 kg |
| Amperage Rating | 450 A |
| Voltage Rating (AC) | 690 V – 690 V |
| Rated Insulation Voltage (Ui) | 1000 V AC |
| Rated Operational Current (In) | 450 A |
| Number of Poles | Three-pole |
| Pollution Degree | 3 |
| Overvoltage Category | III |
| Degree of Protection | IP20 (basic degree of protection, in the operating controls area) IP20 |
| Release System | Electronic release |
| Utilization Category | A (IEC/EN 60947-2) |
| Overload Setting (Ir) — min | 450 A |
| Overload Setting (Ir) — max | 450 A |
| Instantaneous Setting (Ii) — min | 900 A |
| Instantaneous Setting (Ii) — max | 3600 A |
| Short-circuit Release — min | 900 A |
| Short-circuit Release — max | 3600 A |
| Short-time Withstand 0.3s | 3.3 kA |
| Short-time Withstand 1s | 3.3 kA |
| Ics @ 230 V | 85 kA |
| Ics @ 400/415 V | 50 kA |
| Ics @ 440 V | 35 kA |
| Ics @ 525 V | 13 kA |
| Ics @ 690 V | 5 kA |
| Icm @ 400/415 V | 105 kA |
| Icm @ 440 V | 74 kA |
| Icm @ 525 V | 53 kA |
| Icm @ 690 V | 40 kA |
| Uimp (main) | 8000 V |
| Uimp (auxiliary) | 6000 V |
| Mechanical Lifespan | 15000 operations |
| Electrical Lifespan | 2000 operations at 415 V AC-3 2000 operations at 690 V AC-3 3000 operations at 690 V AC-1 2000 operations at 400 V AC-3 5000 operations at 400 V AC-1 |
| Ambient Temp — min | -25 °C |
| Ambient Temp — max | 70 °C |
| Standard Terminals | Screw terminal |
| Connection Type | Screw connection |
| Frame Type | NZM3 |
| Handle Type | Rocker lever |
| Mounting Method | Fixed Built-in device fixed built-in technique |
| Application | Branch circuits, feeder circuitsUse in unearthed supply systems at 690 V |
| Functions | Current limiting circuit breaker System and cable 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 ASwitches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.Fixed overload releases IrR.m.s. value measurement and “thermal memory” |
| Compliances | RoHS conform |
| Certifications | IEC IEC 60947-2 UL/CSA UL (Category Control Number DIVQ) CSA (File No. 22086) CE marking UL (File No. E31593) Specially designed for North America CSA (Class No. 1432-01) CSA certified UL 489 CSA-C22.2 No. 5-09 IEC/EN 60947 UL listed |
📄 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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