| Manufacturer part number (MPN) | NZMH1-M63 |
| EAN / GTIN | 4015081151929 |
| Sales unit | pcs |
| Eaton catalogue number | 115452 |
| Depth | 88 mm |
| Height | 145 mm |
| Width | 90 mm |
| Weight | 1.037 kg |
| Compliances | RoHS conform |
| Certifications | IEC/EN 60947; IEC |
| Functions | Phase failure sensitive; Motor protection |
| Amperage Rating | 63 A |
| Application | Use in unearthed supply systems at 690 V |
| Circuit breaker frame type | NZM1 |
| Fitted with | Thermal protection |
| Number of poles | Three-pole |
| Release system | Thermomagnetic release |
| Type | Circuit breaker |
| Ambient operating temperature - max | 70 °C |
| Ambient storage temperature - max | 70 °C |
| Ambient operating temperature - min | -25 °C |
| Ambient storage temperature - min | -40 °C |
| Equipment heat dissipation, current-dependent | 14.88 W |
| Rated operational current for specified heat dissipation (In) | 63 A |
| Direction of incoming supply | As required |
| Electrical connection type of main circuit | Other |
| Handle type | Rocker lever |
| Instantaneous current setting (Ii) - max | 882 A |
| Instantaneous current setting (Ii) - min | 504 A |
| Isolation | 500 V AC (between auxiliary contacts and main contacts); 300 V AC (between the auxiliary contacts) |
| Lifespan, electrical | 5000 operations at 690 V AC-3; 7500 operations at 415 V AC-3; 7500 operations at 690 V AC-1; 7500 operations at 400 V AC-3; 10000 operations at 400 V AC-1; 10000 operations at 415 V AC-1 |
| Number of operations per hour - max | 120 |
| Overload current setting (Ir) - max | 63 A |
| Overload current setting (Ir) - min | 50 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 | 6000 V |
| Rated insulation voltage (Ui) | 690 V |
| Rated operating power at AC-3 |
| 230 V | 18.5 kW |
| Rated operating power at AC-3 |
| 400 V | 30 kW |
| Rated operational current | 55 A (400 V AC-3) |
| Rated short-circuit making capacity Icm at 240 V |
| 50/60 Hz | 220 kA |
| Rated short-circuit making capacity Icm at 400/415 V |
| Rated short-circuit making capacity Icm at 440 V |
| 50/60 Hz | 154 kA |
| Rated short-circuit making capacity Icm at 525 V |
| 50/60 Hz | 40 kA |
| Rated short-circuit making capacity Icm at 690 V |
| 50/60 Hz | 17 kA |
| Short-circuit release non-delayed setting - max | 882 A |
| Short-circuit release non-delayed setting - min | 504 A |
| Short-circuit total breaktime | < 10 ms |
| Utilization category | A (IEC/EN 60947-2) |
| Voltage rating | 690 V - 690 V |
| Climatic proofing | Damp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-78 |
| Degree of protection | IP20 (basic degree of protection, in the operating controls area); IP20 |
| Degree of protection (IP), front side | IP40 (with insulating surround); IP66 (with door coupling rotary handle) |
| Degree of protection (terminations) | IP00 (terminations, phase insulator and strip terminal); IP10 (tunnel terminal) |
| Lifespan, mechanical | 20000 operations |
| Mounting Method | Fixed; Built-in device fixed built-in technique |
| 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 | Thermomagnetic |
| Optional terminals | Connection on rear. Screw terminal. Tunnel terminal |
| Standard terminals | Box terminal |
| Terminal capacity (aluminum solid conductor/cable) | 16 mm² (1x) at tunnel terminal |
| Terminal capacity (aluminum stranded conductor/cable) | 25 mm² - 95 mm² (1x) at tunnel terminal |
| Terminal capacity (control cable) | 0.75 mm² - 2.5 mm² (1x); 0.75 mm² - 1.5 mm² (2x) |
| Terminal capacity (copper busbar) | Max. 16 mm x 5 mm direct at switch rear-side connection; Min. 12 mm x 5 mm direct at switch rear-side connection; M6 at rear-side screw connection |
| Terminal capacity (copper solid conductor/cable) | 6 mm² - 16 mm² (2x) direct at switch rear-side connection; 16 mm² (1x) at tunnel terminal; 10 mm² - 16 mm² (1x) direct at switch rear-side connection; 6 mm² - 16 mm² (2x) at box terminal; 10 mm² - 16 mm² (1x) at box terminal |
| Terminal capacity (copper stranded conductor/cable) | 6 mm² - 25 mm² (2x) at box terminal; 25 mm² - 95 mm² (1x) at 1-hole tunnel terminal; 10 mm² - 70 mm² (1x) at box terminal; 10 mm² - 70 mm² (1x) direct at switch rear-side connection; 25 mm² (2x) direct at switch rear-side connection |
| Terminal capacity (copper strip) | Max. 9 segments of 9 mm x 0.8 mm at box terminal; Min. 2 segments of 9 mm x 0.8 mm at box terminal |
| Document Name | Description Action |
| Rated operation power at AC-3, 400 V | 30 kW |
| With integrated auxiliary switch | No |
| Rated permanent current Iu | 63 A |
| With integrated under voltage release | No |
| Rated operating voltage | 690 V |
| Overload release current setting | 50–63 A |
| Power loss | 14.9 W |
| With thermal overload protection | Yes |
| Type of control element | Rocker lever |
| Rated operation power at AC-3, 230 V | 18.5 kW |
| Rated short-circuit breaking capacity Icu at 400 V |
| AC | 35 kA |
| Adjustment range undelayed short-circuit release | 504–882 A |
| Phase failure sensitive | Yes |
| Device construction | Built-in device fixed built-in technique |
| Country of origin | Romania |
