Current Rating: 80A
Poles: 3P (Three-phase protection)
Tripping Curve: C-curve (ideal for lighting and resistive loads with moderate inrush current)
Rated Voltage:
Up to 440V AC (50/60 Hz)
375V DC
Breaking Capacity:
10kA (IEC 60898-1) for residential/commercial
10kA (IEC 60947-2) for industrial installations
Protection Functions:
Overload Protection: Prevents overheating of wires due to sustained overcurrent.
Short-Circuit Protection: Rapid disconnection during high fault currents.
Thermal-Magnetic Trip:
Thermal for overloads (slow response)
Magnetic for short circuits (fast response)
Safety & Compliance:
Standards: Conforms to IEC 60898-1 and IEC 60947-2
IP Protection: IP20 (protected against finger touch)
Isolation Function: Can safely isolate circuits during maintenance
Modular System Integration:
Works with Schneider add-on accessories:
Auxiliary contacts
Shunt trips
Undervoltage releases
| Parameter |
Specification |
| Brand / Series |
Schneider Electric / Acti9 C120N |
| Model Number |
A9N18365 |
| Device Type |
Miniature Circuit Breaker (MCB) |
| Number of Poles |
3P (Three-pole) |
| Rated Current (In) |
80 A (at 30°C ambient temperature) |
| Tripping Curve |
C Curve (Trips at 5–10 × In, suitable for lighting, general loads) |
| Rated Voltage (AC) |
Up to 440V AC (50/60 Hz) |
| Rated Voltage (DC) |
Up to 375V DC (three-pole) |
| Rated Insulation Voltage (Ui) |
500V AC |
| Breaking Capacity (IEC 60898-1) |
10 kA @ 230/400V AC |
| Breaking Capacity (IEC 60947-2) |
10 kA @ 220/415V AC |
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