The A9N18512 is a 3-pole 80 A miniature circuit-breaker from the Acti9 C120H line, with a D tripping curve (10–14× In). Rated 15 kA Icn at 400 V AC per EN/IEC 60898-1, and 10–30 kA Icu per EN/IEC 60947-2 depending on voltage. Meets EN/IEC 60947-2 and 60898-1, pollution degree 3, tropicalisation class 2. Active in production – that's another SKU that stays on the shelf.
Schneider Electric A9N18512 Acti9 C120H, 80A 3P D Curve MCB
MPNA9N18512
Active
Schneider Electric Acti9 C120H series MCB, order code A9N18512, 80 A, 3-pole, D curve, 15 kA breaking capacity.
$243.84 – $408.00Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
| Parameter | Value |
|---|---|
| Control type | Toggle |
| Network type | AC |
| Product or component type | Miniature circuit-breaker |
| Voltage | 500 V AC 50/60 Hz conforming to EN/IEC 60947-2 |
| [Ue] rated operational voltage | 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 |
| [Uimp] rated impulse withstand voltage | 6 kV conforming to EN/IEC 60947-2 |
| 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 |
| Current | 80 A at 30 °C |
| [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 |
| Network frequency | 50/60 Hz |
| Poles description | 3P |
| Number of protected poles | 3 |
All specifications
| Parameter | Value |
|---|---|
| IP degree of protection | IP20 conforming to IEC 60529 |
| Mounting mode | Clip-on |
| Mounting support | 35 mm symmetrical DIN rail |
| Wire stripping length | 15 mm |
| Connections - terminals | Tunnel type terminals1...50 mm² rigid Tunnel type terminals1.5...35 mm² flexible |
| Pollution degree | 3 conforming to IEC 60947-2 |
| Relative humidity | 95 % at 55 °C |
| Operating altitude | 2000 m |
| Depth | 73 mm |
| Width | 81 mm |
| Color | White |
| Height | 81 mm |
| Electrical durability | 5000 cycles conforming to IEC 60947-2 |
| Mechanical durability | 20000 cycles |
| Standards | EN/IEC 60947-2 EN/IEC 60898-1 |
| Range | Acti9 |
| Curve code | D |
| 9 mm pitches | 9 |
| Tropicalisation | 2 conforming to IEC 60068-1 |
| Limitation class | 3 conforming to EN/IEC 60947-2 |
| Local signalling | ON/OFF indication |
| Device short name | C120H |
| Tightening torque | 3.5 N.m |
| Device application | Distribution |
| Overvoltage category | IV |
| Trip unit technology | Thermal-magnetic |
| Magnetic tripping limit | 10...14 x In |
| Earth-leakage protection | Separate block |
| Suitability for isolation | Yes conforming to IEC 60947-2 |
| Contact position indicator | Yes |
| Locking options description | Handle sealable with cable diameter 0.7mm in OFF or ON position |
| Ambient air temperature for storage | -40...70 °C |
| Ambient air temperature for operation | -30...60 °C |
| Comb busbar and distribution block compatibility | YES |
Product details
Frequently asked questions
What is A9N18512's listed depth?
73 mm.
What range does the A9N18512 belong to?
The Acti9 range, specifically the C120H series.
What compliance documentation does this brand provide for A9N18512?
It conforms to EN/IEC 60947-2 and EN/IEC 60898-1, pollution degree 3, and tropicalisation class 2 per IEC 60068-1.
MPN
A9N18512