Schneider Electric 18793
MPN18793
Obsolete
Miniature circuit breaker (MCB), Acti9 NG125L, 2P, 40A, C curve, 50kA (IEC/EN 60947-2)
$123.09Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product name | Acti9 NG125 |
| Series / family | Acti9 |
| Device short name | NG125L |
| Product / component type | Miniature circuit-breaker |
| Device application | Distribution |
Electrical
| Parameter | Value |
|---|---|
| Rated current [In] | 40 A at 40 °C |
| Number of protected poles | 2 |
| Pole configuration | 2P |
| 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 <= 250 V DC |
| Network type (AC/DC) | DC AC |
| Network frequency | 50/60 Hz |
Protection
| Parameter | Value |
|---|---|
| Tripping curve code | C |
| Magnetic tripping limit | 8 x In +/- 20 % |
| Breaking capacity (Icu) | 100 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2 40 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2 50 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2 15 kA Icu at 500 V AC 50/60 Hz conforming to EN/IEC 60947-2 36 kA Icu at <= 250 V DC conforming to EN/IEC 60947-2 |
| Rated service breaking capacity [Ics] | 75 kA 75 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz 37.5 kA 75 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz 30 kA 75 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz 11.25 kA 75 % conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz 50 kA 100 % conforming to EN/IEC 60947-2 - 250 V DC |
| Suitable for isolation | Yes conforming to IEC 60947-2 |
| Overvoltage category | IV |
| Trip unit technology | Thermal-magnetic |
| Earth-leakage protection | Separate block |
| Operating / control type | Toggle Manual tripping test |
| Mechanical durability (cycles) | 20000 cycles |
Mechanical
| Parameter | Value |
|---|---|
| 9 mm pitches | 6 |
| Width | 54 mm |
| Height | 103 mm |
| Depth | 81 mm |
| Mounting support | 35 mm symmetrical DIN rail |
| Mounting mode | Clip-on |
| Mounting position | Vertical |
| Terminal connections | Tunnel type terminals1.5...50 mm² rigid Tunnel type terminals1...35 mm² flexible |
| Terminal tightening torque | 3.5 N.m |
| Comb busbar / distribution block compatibility | YES |
| Local signalling / indication | ON/OFF indication Trip indicator |
| Contact position indicator | Yes |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | -30...70 °C |
| Storage temperature range | -40...70 °C |
| Relative humidity | 95 % at 55 °C |
Approvals
| Parameter | Value |
|---|---|
| Standards / compliance | EN/IEC 60947-2 |
MPN
18793