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Schneider Electric A9N18375 — Miniature Circuit Breakers (MCB)

Schneider Electric A9N18375 Acti9 C120 MCB, 100 A, 4P, C Cur

MPNA9N18375
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Schneider Electric Acti9 C120 miniature circuit-breaker, A9N18375, 4P, 100 A rated, C curve, 10 kA Icn at 400 V AC, clip-on 35 mm DIN rail.

Schneider Electric A9N18375 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

A9N18375 — Identification
ParameterValue
Product nameActi9 C120
Product rangeActi9
Product/component typeMiniature circuit-breaker
Device applicationDistribution
A9N18375 — Ratings
ParameterValue
Rated current (In)100 A at 30 °C
Poles configuration4P
Number of protected poles3
Breaking capacity10000 A Icn at 400 V AC 50/60 Hz conforming to EN/IEC 60898-1 6 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2 20 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2 10 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2 10 kA Icu at <= 500 V DC conforming to EN/IEC 60947-2
Rated service breaking capacity (Ics)7500 A 75 % conforming to EN/IEC 60898-1 - 400 V AC 50/60 Hz 4.5 kA 75 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz 7.5 kA 75 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz 15 kA 75 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz 10 kA 100 % conforming to EN/IEC 60947-2 - <= 500 V DC
Rated operational voltage (Ue)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
Rated insulation voltage (Ui)500 V AC 50/60 Hz conforming to EN/IEC 60947-2
Rated impulse withstand voltage (Uimp)6 kV conforming to EN/IEC 60947-2
Network type (AC/DC)AC
Network frequency50/60 Hz
Overvoltage categoryIV
A9N18375 — Protection
ParameterValue
Curve codeC
Trip unit technologyThermal-magnetic
Magnetic tripping limit5...10 x In
Earth-leakage protectionSeparate block
Suitability for isolationYes conforming to IEC 60947-2
Limitation class3 conforming to EN/IEC 60947-2
Electrical durability (cycles)5000 cycles conforming to IEC 60947-2
Mechanical durability (cycles)20000 cycles
A9N18375 — Mechanical
ParameterValue
Mounting support35 mm symmetrical DIN rail
Mounting modeClip-on
Control typeToggle
Terminal connection typeTunnel type terminals1...50 mm² rigid Tunnel type terminals1.5...35 mm² flexible
Terminal tightening torque3.5 N.m
Wire stripping length15 mm
Contact position indicatorYes
Local signalling/indicationON/OFF indication
Width108 mm
Height81 mm
Depth73 mm
Number of 9 mm pitches12
A9N18375 — Environmental
ParameterValue
Operating ambient temperature-25...70 °C
Storage ambient temperature-40...85 °C
IP degree of protectionIP20 conforming to IEC 60529
Pollution degree3 conforming to IEC 60947-2
Relative humidity95 % at 55 °C
Tropicalisation class2 conforming to IEC 60068-1
A9N18375 — Approvals
ParameterValue
StandardsEN/IEC 60947-2 EN/IEC 60898-1

Product details

The Schneider Electric A9N18375 is a 4-pole miniature circuit-breaker from the Acti9 C120 range, rated 100 A at 30 °C with a C curve (magnetic trip 5–10 × In).

Breaking capacity and standards compliance

Rated breaking capacity is 10 000 A Icn at 400 V AC 50/60 Hz per EN/IEC 60898-1, and 6 kA Icu at 440 V AC, 20 kA Icu at 220–240 V AC, 10 kA Icu at 380–415 V AC, and 10 kA Icu at ≤500 V DC per EN/IEC 60947-2. The part carries dual certification to both standards, covering both household and industrial fault-level requirements.

Tunnel-type terminals accept 1–50 mm² rigid or 1.5–35 mm² flexible conductors; tightening torque 3.5 N·m, strip length 15 mm. IP20 finger protection per IEC 60529.

Frequently asked questions

Where can I buy A9N18375 and how do I get a price?

The A9N18375 is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

What compliance documentation does this brand provide for A9N18375?

The part is certified to EN/IEC 60947-2 and EN/IEC 60898-1, and carries IP20 protection per IEC 60529. Tropicalisation class 2 per IEC 60068-1 is also listed.

MPN
A9N18375