Overview
The A9N60749 is a Schneider Acti9 C120 miniature circuit breaker with 2 poles, rated 80 A at 400 V AC/DC, D-curve, and a breaking capacity of 10 kA per EN/IEC 60947-2. This is an active, in-production part.

Schneider Acti9 C120 A9N60749 miniature circuit breaker, 2-pole, 80 A, D-curve, 400 V AC/DC, 10 kA breaking capacity, IP20, clip-on mounting.
| Parameter | Value |
|---|---|
| Product name | Acti9 C120 |
| Series / family | Acti9 |
| Device short name | C120N |
| Product / component type | Miniature circuit-breaker |
| Device application | Distribution |
| Parameter | Value |
|---|---|
| Rated current [In] | 80 A at 40 °C |
| Number of protected poles | 2 |
| Pole configuration | 2P |
| Rated operational voltage [Ue] | 230...400 V AC 50/60 Hz |
| Network type (AC/DC) | DC AC |
| Network frequency | 50/60 Hz |
| Parameter | Value |
|---|---|
| Tripping curve code | D |
| Magnetic tripping limit | 12 x In +/- 20 % |
| Breaking capacity (Icu) | 10 kA Icu at 10 kA Icu at 230...400 V AC 50/60 Hz conforming to EN/IEC 60947-2 |
| Rated service breaking capacity [Ics] | 7.5 kA 75 % conforming to EN/IEC 60947-2 - 230...400 V AC 50/60 Hz 10 kA 100 % conforming to EN/IEC 60947-2 - 250 V DC |
| Energy limitation class | 3 conforming to EN/IEC 60947-2 |
| Overvoltage category | III |
| Trip unit technology | Thermal-magnetic |
| Earth-leakage protection | Separate block |
| Operating / control type | Toggle |
| Mechanical durability (cycles) | 20000 cycles |
| Parameter | Value |
|---|---|
| 9 mm pitches | 6 |
| Width | 54 mm |
| Height | 81 mm |
| Depth | 73 mm |
| Mounting support | 35 mm symmetrical DIN rail |
| Mounting mode | Clip-on |
| Terminal connections | Tunnel type terminals1...50 mm² rigid Tunnel type terminals1.5...35 mm² flexible |
| Terminal tightening torque | 3.5 N.m |
| Comb busbar / distribution block compatibility | YES |
| Local signalling / indication | ON/OFF indication |
| Parameter | Value |
|---|---|
| Operating temperature range | -30...70 °C |
| Storage temperature range | -40...80 °C |
| Relative humidity | 95 % at 55 °C |
| Parameter | Value |
|---|---|
| Standards / compliance | EN/IEC 60947-2 |
The A9N60749 is a Schneider Acti9 C120 miniature circuit breaker with 2 poles, rated 80 A at 400 V AC/DC, D-curve, and a breaking capacity of 10 kA per EN/IEC 60947-2. This is an active, in-production part.
Alternative models and sibling configurations in the same Schneider Electric series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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