Eaton NZMN3-PMX450 Circuit breaker NZMN3-PMX450.
Eaton NZMN3-PMX450 Circuit breaker NZMN3-PMX450.
| Manufacturer part number (MPN) | NZMN3-PMX450 |
| EAN / GTIN | 4015081928750 |
| HS code | 8536.90 |
| Sales unit | pcs |
| Eaton catalogue number | 192324 |
| Depth | 275 mm |
| Height | 120.5 mm |
| Width | 140 mm |
| Weight | 6.65 kg |
| Compliances | RoHS conform |
| Certifications | IEC/EN 60947; IEC |
| Functions | Motor protection with class 1 energy metering; Phase failure sensitive |
| Amperage Rating | 450 A |
| Application | Use in unearthed supply systems at 690 V |
| Circuit breaker frame type | NZM3 |
| Fitted with | Thermal protection |
| Number of poles | Three-pole |
| Release system | Electronic release |
| Type | Circuit breaker |
| Ambient operating temperature - max | 70 °C |
| Ambient storage temperature - max | 70 °C |
| Ambient operating temperature - min | -25 °C |
| Equipment heat dissipation, current-dependent | 60.75 W |
| Rated operational current for specified heat dissipation (In) | 450 A |
| Direction of incoming supply | As required |
| Electrical connection type of main circuit | Screw connection |
| Handle type | Rocker lever |
| Instantaneous current setting (Ii) - max | 12 A |
| Instantaneous current setting (Ii) - min | 2 A |
| Isolation | 500 V AC (between auxiliary contacts and main contacts); 300 V AC (between the auxiliary contacts) |
| Lifespan, electrical | 5000 operations at 400 V AC-1; 2000 operations at 690 V AC-3; 3000 operations at 690 V AC-1; 2000 operations at 400 V AC-3; 2000 operations at 415 V AC-3; 5000 operations at 415 V AC-1 |
| Number of operations per hour - max | 60 |
| Overload current setting (Ir) - max | 450 A |
| Overload current setting (Ir) - min | 180 A |
| Overvoltage category | III |
| Pollution degree | 3 |
| Rated impulse withstand voltage (Uimp) at auxiliary contacts | 6000 V |
| Rated impulse withstand voltage (Uimp) at main contacts | 8000 V |
| Rated insulation voltage (Ui) | 690 V |
| Rated operating power at AC-3 | |
| 230 V | 132 kW |
| Rated operating power at AC-3 | |
| 400 V | 250 kW |
| Rated short-circuit making capacity Icm at 240 V | |
| 50/60 Hz | 187 kA |
| Rated short-circuit making capacity Icm at 400/415 V | |
| 50/60 Hz | 105 kA |
| Rated short-circuit making capacity Icm at 440 V | |
| 50/60 Hz | 74 kA |
| Rated short-circuit making capacity Icm at 525 V | |
| 50/60 Hz | 53 kA |
| Rated short-circuit making capacity Icm at 690 V | |
| 50/60 Hz | 40 kA |
| Rated short-time withstand current (t = 0.3 s) | 3.3 kA |
| Rated short-time withstand current (t = 1 s) | 3.3 kA |
| Short-circuit release non-delayed setting - max | 5400 A |
| Short-circuit release non-delayed setting - min | 900 A |
| Short-circuit total breaktime | < 10 ms |
| Utilization category | A (IEC/EN 60947-2) |
| Voltage rating | 690 V - 690 V |
| Climatic proofing | Damp heat, constant, to IEC 60068-2-78; Damp heat, cyclic, to IEC 60068-2-30 |
| Degree of protection | IP20; IP20 (basic degree of protection, in the operating controls area) |
| Degree of protection (IP), front side | IP66 (with door coupling rotary handle); IP40 (with insulating surround) |
| Degree of protection (terminations) | IP10 (tunnel terminal); IP00 (terminations, phase insulator and strip terminal) |
| Lifespan, mechanical | 15000 operations |
| Mounting Method | Built-in device fixed built-in technique; Fixed |
| Protection against direct contact | Finger and back-of-hand proof to VDE 0106 part 100 |
| Shock resistance | 20 g (half-sinusoidal shock 20 ms) |
| Switch off technique | Electronic |
| Optional terminals | Box terminal. Connection on rear. Tunnel terminal |
| Standard terminals | Screw terminal |
| Terminal capacity (aluminum solid conductor/cable) | 16 mm² (1x) at tunnel terminal |
| Terminal capacity (aluminum stranded conductor/cable) | 25 mm² - 185 mm² (1x) at tunnel terminal; 50 mm² - 240 mm² (2x) at 2-hole tunnel terminal; 50 mm² - 240 mm² (1x) at 2-hole tunnel terminal |
| Terminal capacity (control cable) | 0.75 mm² - 1.5 mm² (2x); 0.75 mm² - 2.5 mm² (1x) |
| Terminal capacity (copper busbar) | Max. 10 mm x 50 mm (2x) at rear-side width extension; Min. 20 mm x 5 mm direct at switch rear-side connection; M10 at rear-side screw connection; Max. 30 mm x 10 mm + 30 mm x 5 mm direct at switch rear-side connection |
| Terminal capacity (copper solid conductor/cable) | 300 mm² (2x) at rear-side width extension; 16 mm² (1x) at tunnel terminal; 16 mm² (2x) at box terminal; 16 mm² (1x) direct at switch rear-side connection; 16 mm² (2x) direct at switch rear-side connection |
| Terminal capacity (copper stranded conductor/cable) | 25 mm² - 120 mm² (2x) at box terminal; 25 mm² - 240 mm² (2x) direct at switch rear-side connection; 35 mm² - 240 mm² (1x) at box terminal; 16 mm² - 185 mm² (1x) at 1-hole tunnel terminal; 25 mm² - 240 mm² (1x) direct at switch rear-side connection |
| Document Name | Description Action |
| MOQ | 1 |