Specification:
| Range | MasterPacT |
|---|---|
| Product name | MasterPact NW |
| Product or component type | Switch disconnector |
| Device short name | MasterPact NW40b |
| Switch-disconnector name | MasterPact NW40bHH |
| Device application | Protection |
| Poles description | 4P |
| Network type | AC |
| Network frequency | 50/60 Hz |
| [Ie] rated operational current | AC-23A: 4000 A AC 50/60 Hz 690 V |
| [Ui] rated insulation voltage | 1000 V AC 50/60 Hz conforming to IEC 60947-3 |
| [Uimp] rated impulse withstand voltage | 12 kV conforming to IEC 60947-3 |
| [Icm] rated short-circuit making capacity | 220 kA 690 V AC at 50/60 Hz |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz conforming to IEC 60947-3 |
| Breaking capacity code | HH |
| Suitability for isolation | Yes conforming to IEC 60947-3 |
| Contact position indicator | Yes |
| Visible break | No |
| Pollution degree | 4 conforming to IEC 60664-1 |
| control type | Push-button |
|---|---|
| Mounting mode | Drawout |
| Mounting support | Chassis |
| Operating rate | 10 cyc/h maximum |
| [Icw] rated short-time withstand current | 100 kA during 1 s conforming to IEC 60947-3 100 kA during 3 s conforming to IEC 60947-4 |
| Mechanical durability | 10000 cycles with maintenance conforming to IEC 60947-3 |
| Electrical durability | AC-23A: 1500 cycles 690 V AC 50/60 Hz without maintenance conforming to IEC 60947-3 |
| Connection pitch | 230 mm |
| Height | 352 mm |
| Width | 537 mm |
| Depth | 297 mm |
| Net weight | 160 kg |
| Integral instant protection | 75 kA |
| Standards | IEC 60947-3 |
|---|---|
| Product certifications | ASEFA |
| IP degree of protection | IP30 |
| Ambient air temperature for operation | -25…70 °C |
| Ambient air temperature for storage | -40…85 °C |
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