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Schneider Electric 18801 — Miniature Circuit Breakers (MCB)

Schneider Electric 18801

MPN18801
Active

Miniature circuit breaker (MCB), Acti9 NG125L, 3P, 20A, C curve, 50kA (IEC/EN 60947-2)

$220.98Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

18801 — Identification
ParameterValue
Product nameActi9 NG125
Product rangeActi9
Product/component typeMiniature circuit-breaker
Device applicationDistribution
18801 — Ratings
ParameterValue
Rated current (In)20 A at 40 °C
Poles configuration3P
Number of protected poles3
Breaking capacity100 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2 40 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2 50 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2 15 kA Icu at 500 V AC 50/60 Hz conforming to EN/IEC 60947-2 36 kA Icu at <= 375 V DC conforming to EN/IEC 60947-2
Rated service breaking capacity (Ics)75 kA 75 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz 37.5 kA 75 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz 30 kA 75 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz 11.25 kA 75 % conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz 50 kA 100 % conforming to EN/IEC 60947-2 - 375 V DC
Rated operational voltage (Ue)380...415 V AC 50/60 Hz 500 V AC 50/60 Hz 220...240 V AC 50/60 Hz 440 V AC 50/60 Hz
Rated insulation voltage (Ui)690 V AC 50/60 Hz conforming to EN/IEC 60947-2
Rated impulse withstand voltage (Uimp)8 kV conforming to EN/IEC 60947-2
Network type (AC/DC)AC DC
Network frequency50/60 Hz
Utilisation categoryCategory A conforming to IEC 60947-2
Overvoltage categoryIV
18801 — Protection
ParameterValue
Curve codeC
Trip unit technologyThermal-magnetic
Magnetic tripping limit8 x In +/- 20 %
Earth-leakage protectionSeparate block
Suitability for isolationYes conforming to IEC 60947-2
Electrical durability (cycles)10000 cycles
Mechanical durability (cycles)20000 cycles
18801 — Mechanical
ParameterValue
Mounting support35 mm symmetrical DIN rail
Mounting modeClip-on
Control typeToggle Manual tripping test
Terminal connection typeTunnel type terminals1.5...50 mm² rigid Tunnel type terminals1...35 mm² flexible
Terminal tightening torque3.5 N.m
Wire stripping length20 mm
Contact position indicatorYes
Local signalling/indicationON/OFF indication Trip indicator
Width81 mm
Height103 mm
Depth81 mm
Number of 9 mm pitches9
18801 — Environmental
ParameterValue
Operating ambient temperature-30...70 °C
Storage ambient temperature-40...70 °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
18801 — Approvals
ParameterValue
StandardsEN/IEC 60947-2
MPN
18801