
Miniature circuit breaker (MCB), Acti9 C120H, 2P, 63A, D curve, 15000A (IEC/EN 60898-1), 15kA (IEC/EN 60947-2)
Miniature circuit breaker (MCB), Acti9 C120H, 3P, 63A, D curve, 15000A (IEC/EN 60898-1), 15kA (IEC/EN 60947-2)
This Acti9 C120H product is a low-voltage miniature circuit breaker (MCB). It is a 3P circuit breaker with 3 protected poles, 63A rated current and a D tripping curve. The rated short circuit breaking capacity is up to 15000A at 400VAC, conforming to IEC/EN 60898-1 standard. This product complies with residential standard IEC/EN 60898-1 and industrial standard IEC/EN 60947-2. It combines functions of circuit protection against short circuit and overload current, control and isolation. The presence of a green strip guarantees contact open physically and allows work to be carried out safely on the downstream circuit. Its fast closing mechanism improves its service life. Acti9 C120 offer is dedicated to industrial and tertiary buildings. It boasts exceptional durability, with electrical endurance reaching up to 10000 cycles and mechanical endurance extending to 20000 cycles. The rated operational voltage is from 380VAC to 415VAC. The rated insulation voltage is 500VAC, and the rated impulse withstand voltage is 6kV. Additionally, its limitation class 3 enhances the downstream circuit protection cost, while the pollution degree 3 ensures reliable performance in challenging environments. It can be mounted on a 35mm symmetrical DIN rail. The width in 9mm pitches is 9. The dimensions are (W) 81mm x (H) 81mm x (D) 73mm. The product colour is white. The weight is 0.615kg. It offers reliable protection with an IP20 rating on its terminals. The operating temperature is from -30°C to 60°C. The storage temperature is from -40°C to 70°C.
| Range | Acti9 |
| Product name | Acti9 C120 |
| Product or component type | Miniature circuit-breaker |
| Device short name | C120H |
| Device application | Distribution |
| Poles description | 3P |
| Number of protected poles | 3 |
| [In] rated current | 63 A at 30 °C |
| Network type | AC |
| Trip unit technology | Thermal-magnetic |
| Curve code | D |
| 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 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, 15 kA Icu at <= 375 V DC 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 | <= 375 V DC, 380...415 V AC 50/60 Hz, 220...240 V AC 50/60 Hz, 440 V AC 50/60 Hz, 230...400 V AC 50/60 Hz |
| Magnetic tripping limit | 10...14 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 - <= 375 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 | YES |
| 9 mm pitches | 9 |
| Height | 81 mm |
| Depth | 73 mm |
| Width | 81 mm |
| Net weight | 0.615 kg |
| Colour | White |
| Mechanical durability | 20000 cycles |
| Electrical durability | 10000 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 |
| Package 1 | 1 PCE, 8.700 cm × 8.200 cm × 7.500 cm (L × W × H), 563.000 g |
| Package 2 | 4 BB1, 33.500 cm × 9.200 cm × 8.500 cm (L × W × H), 2.316 kg |
| Package 3 | 24 S03, 40.000 cm × 30.000 cm × 30.000 cm (L × W × H), 14.456 kg |
Official documents from Schneider Electric, downloaded directly from the manufacturer.
A9N18511 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Yes — mention it when you request a quote for A9N18511 and we'll include express shipping options in our reply.
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for A9N18511, subject to availability and destination.

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