Schneider Electric 47237
MPN47237
Active
circuit breaker Masterpact NT12H2 - 1250 A - 4 poles - drawout - w/o trip unit (Planned discontinuation end of 2025, has been replaced by LV947237)
$4,421.19Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026
Specifications
| Parameter | Value |
|---|---|
| Product type | Circuit breaker |
| Product name | MasterPact NT |
| Range | MasterPacT |
| Circuit breaker name | MasterPact NT12H2 |
| Application | Power distribution protection |
| Control unit | Without control unit |
| Parameter | Value |
|---|---|
| Rated current (In) | 1250 A at 40 °C |
| Sensor rating | 630 A 1250 A |
| Rated operational voltage (Ue) | 690 V AC 50/60 Hz |
| Poles | 4P |
| Rated insulation voltage (Ui) | 1000 V AC 50/60 Hz |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Suitable for isolation | Yes conforming to EN/IEC 60947-2 |
| Parameter | Value |
|---|---|
| Rated ultimate breaking capacity (Icu) | 50 kA at 220/415 V AC 50/60 Hz 50 kA at 440 V AC 50/60 Hz 42 kA at 525 V AC 50/60 Hz 42 kA at 690 V AC 50/60 Hz |
| Rated service breaking capacity (Ics) | 42 kA at 220/415 V AC 50/60 Hz 42 kA at 440 V AC 50/60 Hz 50 kA at 525 V AC 50/60 Hz 50 kA at 690 V AC 50/60 Hz |
| Rated short-time withstand current (Icw) | 42 kA 0.5 s 42 kA 1 s 20 kA 3 s |
| Rated short-circuit making capacity (Icm) | 105 kA 220/415 V AC at 50/60 Hz 105 kA 440 V AC at 50/60 Hz 88 kA 525 V AC at 50/60 Hz 88 kA 690 V AC at 50/60 Hz |
| Performance type | H2 50 kA 440 V AC |
| Parameter | Value |
|---|---|
| Breaking time, max. | 25 ms |
| Closing response time, max. | 50 ms |
| Mechanical durability (cycles) | 12500 cycles without maintenance |
| Electrical durability (cycles) | 6000 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 3000 cycles 690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-2 AC-23A: 6000 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-3 AC-23A: 3000 cycles 690 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-3 AC-3: 6000 cycles 440 V AC 50/60 Hz without maintenance conforming to EN/IEC 60947-3 |
| Selectivity category | Category B |
| Power dissipation | 250 W |
| Parameter | Value |
|---|---|
| Control type | Push-button |
| Mounting mode | Drawout |
| Mounting support | Backplate Rails |
| Width | 358 mm |
| Height | 322 mm |
| Depth | 277 mm |
| Neutral pole position | Left |
| Connection pitch | 70 mm |
| Upside connection | Front Rear |
| Downside connection | Front Rear |
| Parameter | Value |
|---|---|
| Operating ambient temperature | -25...70 °C |
| Storage ambient temperature | -40...85 °C |
| IP degree of protection | IP30 conforming to IEC 60529 |
| Pollution degree | 3 conforming to IEC 60664-1 |
| Operating altitude | 0...2000 m without derating 2000 m...5000 m with derating |
| Parameter | Value |
|---|---|
| Standards | EN/IEC 60947-1 EN/IEC 60947-2 |
MPN
47237