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Schneider Electric 18790 — 2-Pole MCB (DIN Rail)

Schneider Electric 18790

MPN18790
Obsolete

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

$153.46Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

18790 — Identification
ParameterValue
Product nameActi9 NG125
Series / familyActi9
Device short nameNG125L
Product / component typeMiniature circuit-breaker
Device applicationDistribution
18790 — Electrical
ParameterValue
Rated current [In]20 A at 40 °C
Number of protected poles2
Pole configuration2P
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 <= 250 V DC
Network type (AC/DC)DC AC
Network frequency50/60 Hz
18790 — Protection
ParameterValue
Tripping curve codeC
Magnetic tripping limit8 x In +/- 20 %
Breaking capacity (Icu)100 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 <= 250 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 - 250 V DC
Suitable for isolationYes conforming to IEC 60947-2
Overvoltage categoryIV
Trip unit technologyThermal-magnetic
Earth-leakage protectionSeparate block
Operating / control typeToggle Manual tripping test
Mechanical durability (cycles)20000 cycles
18790 — Mechanical
ParameterValue
9 mm pitches6
Width54 mm
Height103 mm
Depth81 mm
Mounting support35 mm symmetrical DIN rail
Mounting modeClip-on
Mounting positionVertical
Terminal connectionsTunnel type terminals1.5...50 mm² rigid Tunnel type terminals1...35 mm² flexible
Terminal tightening torque3.5 N.m
Comb busbar / distribution block compatibilityYES
Local signalling / indicationON/OFF indication Trip indicator
Contact position indicatorYes
18790 — Environmental
ParameterValue
Operating temperature range-30...70 °C
Storage temperature range-40...70 °C
Relative humidity95 % at 55 °C
18790 — Approvals
ParameterValue
Standards / complianceEN/IEC 60947-2
MPN
18790