Acti9 C120
Schneider Electric catalog image for this SKU; may represent the product family.
MINIATURE CIRCUIT-BREAKER
C120H - circuit breaker - 2P - 100A - C curve
SKU A9N18458Schneider Electric A9N18458 is a miniature circuit-breaker in the Acti9 C120 range. Key specifications include rated current: 100 A at 30 °C; poles: 2P; trip curve: C.
100 A at 30 °CRated current
2PPoles
CTrip curve
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | A9N18458 |
|---|---|
| Range | Acti9 |
| Product name | Acti9 C120 |
| Product or component type | Miniature circuit-breaker |
| Device short name | C120H |
| Device application | Distribution |
| Poles description | 2P |
| Number of protected poles | 2 |
| Neutral position | Left |
| [In] rated current | 100 A at 30 °C |
| Network type | AC |
| Trip unit technology | Thermal-magnetic |
| Curve code | C |
| Breaking capacity | 15000 A Icn at 400 V AC 50/60 Hz conforming to EN/IEC 60898-1 10 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2 15 kA Icu at <= 250 V DC conforming to EN/IEC 60947-2 15 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2 30 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2 |
| Suitability for isolation | Yes conforming to IEC 60947-2 |
| Standards | EN/IEC 60898-1 EN/IEC 60947-2 |
| Product certifications | EAC |
| Network frequency | 50/60 Hz |
| [Ue] rated operational voltage | 380...415 V AC 50/60 Hz 220...240 V AC 50/60 Hz 440 V AC 50/60 Hz <= 250 V DC 230...400 V AC 50/60 Hz |
| Magnetic tripping limit | 5...10 x In |
| [Ics] rated service breaking capacity | 7500 A 50 % conforming to EN/IEC 60898-1 - 400 V AC 50/60 Hz 5 kA 50 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz 15 kA 50 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz 7.5 kA 50 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz 15 kA 100 % conforming to EN/IEC 60947-2 - <= 250 V DC |
| Limitation class | 3 conforming to EN/IEC 60947-2 |
| [Ui] rated insulation voltage | 500 V AC 50/60 Hz conforming to EN/IEC 60947-2 |
| [Uimp] rated impulse withstand voltage | 6 kV conforming to EN/IEC 60947-2 |
| Contact position indicator | Yes |
| Control type | Toggle |
| Local signalling | ON/OFF indication |
| Mounting mode | Clip-on |
| Mounting support | 35 mm symmetrical DIN rail |
| Comb busbar and distribution block compatibility | NO |
| 9 mm pitches | 6 |
| Height | 81 mm |
| Depth | 73 mm |
| Width | 54 mm |
| Net weight | 0.41 kg |
| Colour | White |
| Mechanical durability | 20000 cycles |
| Electrical durability | 5000 cycles conforming to IEC 60947-2 |
| Locking options description | Handle sealable with cable diameter 0.7mm in OFF or ON position |
| Connections - terminals | Tunnel type terminals1…50 mm² rigid Tunnel type terminals1.5…35 mm² flexible |
| Wire stripping length | 15 mm |
| Tightening torque | 3.5 N.m |
| Earth-leakage protection | Separate block |
| IP degree of protection | IP20 conforming to IEC 60529 |
| Pollution degree | 3 conforming to IEC 60947-2 |
| Overvoltage category | IV |
| Tropicalisation | 2 conforming to IEC 60068-1 |
| Relative humidity | 95 % at 55 °C |
| Operating altitude | 2000 m |
| Ambient air temperature for operation | -30…60 °C |
| Ambient air temperature for storage | -40…70 °C |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.