Schneider Electric 18657
MPN18657
Active
NG125 - circuit breaker - NG125N - 4P - 80A - C curve
$15.78Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Product name | Acti9 NG125 |
| Product range | Acti9 |
| Product/component type | Miniature circuit-breaker |
| Device application | Distribution |
| Parameter | Value |
|---|---|
| Rated current (In) | 80 A at 40 °C |
| Poles configuration | 4P |
| Number of protected poles | 4 |
| Breaking capacity | 20 kA Icu at 10 kA Icu at 500 V AC 50/60 Hz conforming to EN/IEC 60947-2 20 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2 25 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2 50 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2 |
| Rated service breaking capacity (Ics) | 37.5 kA 75 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz 18.75 kA 75 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz 15 kA 75 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz 7.5 kA 75 % conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz 20 kA 100 % conforming to EN/IEC 60947-2 - <= 500 V DC |
| Rated operational voltage (Ue) | 380...415 V AC 50/60 Hz 500 V AC 50/60 Hz 220...240 V AC 50/60 Hz 440 V AC 50/60 Hz |
| Rated insulation voltage (Ui) | 690 V AC 50/60 Hz conforming to EN/IEC 60947-2 |
| Rated impulse withstand voltage (Uimp) | 8 kV conforming to EN/IEC 60947-2 |
| Network type (AC/DC) | DC AC |
| Network frequency | 50/60 Hz |
| Utilisation category | Category A conforming to IEC 60947-2 |
| Overvoltage category | IV |
| Parameter | Value |
|---|---|
| Curve code | C |
| Trip unit technology | Thermal-magnetic |
| Magnetic tripping limit | 8 x In |
| Earth-leakage protection | Separate block |
| Suitability for isolation | Yes conforming to IEC 60947-2 |
| Electrical durability (cycles) | 5000 cycles |
| Mechanical durability (cycles) | 20000 cycles |
| Parameter | Value |
|---|---|
| Mounting support | 35 mm symmetrical DIN rail |
| Mounting mode | Clip-on |
| Control type | Manual tripping test Toggle |
| Terminal connection type | Tunnel type terminals16...70 mm² rigid Tunnel type terminals10...50 mm² flexible |
| Terminal tightening torque | 6 N.m |
| Wire stripping length | 20 mm |
| Contact position indicator | Yes |
| Local signalling/indication | ON/OFF indication Trip indicator |
| Width | 108 mm |
| Height | 103 mm |
| Depth | 81 mm |
| Number of 9 mm pitches | 12 |
| Parameter | Value |
|---|---|
| Operating ambient temperature | -30...70 °C |
| Storage ambient temperature | -40...70 °C |
| IP degree of protection | IP20 conforming to IEC 60529 |
| Pollution degree | 3 conforming to IEC 60947-2 |
| Relative humidity | 95 % at 55 °C |
| Tropicalisation class | 2 conforming to IEC 60068-1 |
| Parameter | Value |
|---|---|
| Standards | EN/IEC 60947-2 |
MPN
18657