Schneider Electric 18818
MPN18818
Obsolete
Miniature circuit breaker (MCB), Acti9 NG125L, 4P, 80A, C curve, 50kA (IEC/EN 60947-2)
$267.49Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product / component type | Miniature circuit-breaker |
| Product name | Acti9 NG125 |
| Product range | Acti9 |
| Device application | Distribution |
Electrical
| Parameter | Value |
|---|---|
| Network type (AC/DC) | DC AC |
| Rated current [In] | 80 A at 40 °C |
| 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 frequency | 50/60 Hz |
| Poles description | 4P |
| Magnetic tripping limit | 8 x In +/- 20 % |
Protection & Performance
| Parameter | Value |
|---|---|
| Breaking capacity | 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 <= 500 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 - 500 V DC |
| Trip unit technology | Thermal-magnetic |
| Earth-leakage protection | Separate block |
| Suitability for isolation | Yes conforming to IEC 60947-2 |
| Utilisation category | Category A conforming to IEC 60947-2 |
| Mechanical durability | 20000 cycles |
| Electrical durability | 5000 cycles |
| Local signalling | Trip indicator ON/OFF indication |
| Contact position indicator | Yes |
Mechanical
| Parameter | Value |
|---|---|
| Connections / terminals | Tunnel type terminals16...70 mm² rigid Tunnel type terminals10...50 mm² flexible |
| Device short name | NG125L |
| Control type | Toggle Manual tripping test |
| Mounting mode | Clip-on |
| Mounting support | 35 mm symmetrical DIN rail |
| Usable 9 mm pitches | 12 |
| Width | 108 mm |
| Height | 103 mm |
| Depth | 81 mm |
Environmental
| Parameter | Value |
|---|---|
| IP degree of protection | IP20 conforming to IEC 60529 |
| IK degree of protection | IK05 conforming to EN/IEC 62262 |
| Pollution degree | 3 conforming to IEC 60947-2 |
| Operating ambient air temperature | -30...70 °C |
| Storage ambient air temperature | -40...70 °C |
Approvals
| Parameter | Value |
|---|---|
| Standards | EN/IEC 60947-2 |
Specifications
| Parameter | Value |
|---|---|
| Curve code | C |
| Number of protected poles | 4 |
MPN
18818