BOM / RFQ

Schneider Electric 18647

MPN18647

Obsolete

Miniature circuit breaker (MCB), Acti9 NG125N, 3P+N, 100A, C curve, 25kA (IEC/EN 60947-2)

$640.33Ref. price · indicative, final on quote

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Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

18647 — Electrical
Parameter	Value
Network type (AC/DC)	DC AC
Rated current [In]	100 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 frequency	50/60 Hz
Poles description	3P + N
Magnetic tripping limit	8 x In

18647 — Protection & Performance
Parameter	Value
Breaking capacity	20 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 - <= 500 V DC
Trip unit technology	Thermal-magnetic
Earth-leakage protection	Separate block
Suitability for isolation	Yes conforming to IEC 60947-2
Utilisation category	Category A conforming to IEC 60947-2
Mechanical durability	20000 cycles
Electrical durability	5000 cycles
Local signalling	ON/OFF indication Trip indicator
Contact position indicator	Yes

18647 — Mechanical
Parameter	Value
Connections / terminals	Tunnel type terminals16...70 mm² rigid Tunnel type terminals10...50 mm² flexible
Device short name	NG125N
Control type	Toggle Manual tripping test
Mounting mode	Clip-on
Mounting support	35 mm symmetrical DIN rail
Usable 9 mm pitches	12
Width	108 mm
Height	103 mm
Depth	81 mm

18647 — Environmental
Parameter	Value
IP degree of protection	IP20 conforming to IEC 60529
IK degree of protection	IK05 conforming to EN/IEC 62262
Pollution degree	3 conforming to IEC 60947-2
Operating ambient air temperature	-30...70 °C
Storage ambient air temperature	-40...70 °C