Description
The Acti9 C120N A9N18374 is a high-performance 4-pole miniature circuit breaker (MCB) engineered to provide robust protection against short circuits and overload currents. With a 100A rated current, C tripping curve, and 10kA breaking capacity, it ensures dependable operation in demanding environments.
Built to meet EN/IEC 60898-1 and EN/IEC 60947-2 standards, it delivers exceptional electrical and mechanical endurance — up to 5,000 electrical and 20,000 mechanical cycles. The green strip indicator guarantees safe circuit isolation, while its class 3 limitation improves downstream protection efficiency.
Suitable for voltages from 380V to 415V AC, the C120N offers DIN rail mounting, compact dimensions, and superior overvoltage withstand capability. Its white RAL9003 housing, IP20 terminal protection, and wide operating temperature range make it ideal for both residential and industrial distribution panels.
Specifications
| Feature | Details |
|---|---|
| Product Series | Acti9 C120N |
| Product Code | A9N18374 |
| Type | Miniature Circuit Breaker (MCB) |
| Poles | 4P (4 protected poles) |
| Rated Current (In) | 100A |
| Tripping Curve | C Curve |
| Breaking Capacity | 10kA (EN/IEC 60947-2) / 10,000A (EN/IEC 60898-1) |
| Standards | EN/IEC 60898-1, EN/IEC 60947-2 |
| Operational Voltage (Ue) | 380–415V AC |
| Rated Insulation Voltage (Ui) | 500V AC |
| Limitation Class | 3 (EN/IEC 60898-1) |
| Mounting | DIN rail |
| Width | 108 mm |
| Height | 81 mm |
| Depth | 73 mm |
| Net Weight | 0.82 kg |
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