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Schneider Electric 18669 — Circuit Breaker Accessories

Schneider Electric 18669

MPN18669
Obsolete

NG125 - circuit breaker - NG125N - 3P - 80A - D curve

$186.27Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

18669 — Identification
ParameterValue
Product / component typeMiniature circuit-breaker
Product nameActi9 NG125
Product rangeActi9
Device applicationDistribution
18669 — Electrical
ParameterValue
Network type (AC/DC)AC DC
Rated current [In]80 A at 40 °C
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 frequency50/60 Hz
Poles description3P
Magnetic tripping limit12 x In
18669 — Protection & Performance
ParameterValue
Breaking capacity20 kA Icu at 10 kA Icu at 500 V AC 50/60 Hz conforming to EN/IEC 60947-2 20 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2 25 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2 50 kA Icu at 220...240 V AC 50/60 Hz conforming to EN/IEC 60947-2
Rated service breaking capacity [Ics]37.5 kA 75 % conforming to EN/IEC 60947-2 - 220...240 V AC 50/60 Hz 18.75 kA 75 % conforming to EN/IEC 60947-2 - 380...415 V AC 50/60 Hz 15 kA 75 % conforming to EN/IEC 60947-2 - 440 V AC 50/60 Hz 7.5 kA 75 % conforming to EN/IEC 60947-2 - 500 V AC 50/60 Hz 20 kA 100 % conforming to EN/IEC 60947-2 - <= 375 V DC
Trip unit technologyThermal-magnetic
Earth-leakage protectionSeparate block
Suitability for isolationYes conforming to IEC 60947-2
Utilisation categoryCategory A conforming to IEC 60947-2
Mechanical durability20000 cycles
Electrical durability5000 cycles
Local signallingTrip indicator ON/OFF indication
Contact position indicatorYes
18669 — Mechanical
ParameterValue
Connections / terminalsTunnel type terminals16...70 mm² rigid Tunnel type terminals10...50 mm² flexible
Device short nameNG125N
Control typeToggle Manual tripping test
Mounting modeClip-on
Mounting support35 mm symmetrical DIN rail
Usable 9 mm pitches9
Width81 mm
Height103 mm
Depth81 mm
18669 — Environmental
ParameterValue
IP degree of protectionIP20 conforming to IEC 60529
IK degree of protectionIK05 conforming to EN/IEC 62262
Pollution degree3 conforming to IEC 60947-2
Operating ambient air temperature-30...70 °C
Storage ambient air temperature-40...70 °C
18669 — Approvals
ParameterValue
StandardsEN/IEC 60947-2
18669 — Specifications
ParameterValue
Curve codeD
Number of protected poles3
MPN
18669