Circuit breaker NG125N 18648 3P+N 125A C

Manufacturer: Schneider Electric

Barcode: 3303430186489

The NG125N 18648 circuit breaker complies with the requirements of IEC 60947-2, EN 60947-2 and combines the following functions:

protection of circuits against short-circuit currents
overload current protection
possibility of partitioning in industrial electrical installations in accordance with IEC / EN 60947-2
trip indication by means of a red mechanical status indicator on the front of the circuit breaker

Main

range of product	NG125
range	Acti 9
product name	Acti 9 NG125
product or component type	Miniature circuit-breaker
device short name	NG125N
device application	Distribution
poles description	3P + N
number of protected poles	3
neutral position	Left
[In] rated current	125 A at 40 °C
network type	DC AC
trip unit technology	Thermal-magnetic
curve code	C
breaking capacity	20 kA Icu at ≤ 500 V DC conforming to EN/IEC 60947-2 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
utilisation category	Category A conforming to IEC 60947-2
suitability for isolation	Yes conforming to IEC 60947-2

network frequency	50/60 Hz
[Ue] rated operational voltage	380...415 V AC 50/60 Hz 500 V AC 50/60 Hz ≤ 500 V DC 220...240 V AC 50/60 Hz 440 V AC 50/60 Hz
magnetic tripping limit	8 x In
[Ics] rated service breaking capacity	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 25 kA 100 % conforming to EN/IEC 60947-2 - 500 V DC
[Ui] rated insulation voltage	690 V AC 50/60 Hz conforming to EN/IEC 60947-2
[Uimp] rated impulse withstand voltage	8 kV conforming to EN/IEC 60947-2
contact position indicator	Yes
control type	Toggle Manual tripping test
local signalling	Trip indicator ON/OFF indication
mounting mode	Clip-on
mounting support	35 mm symmetrical DIN rail
comb busbar and distribution block compatibility	NO
9 mm pitches	12
height	103 mm
width	108 mm
depth	81 mm
net weight	0.96 kg
mechanical durability	20000 cycles
electrical durability	5000 cycles
provision for padlocking	Padlockable
locking options description	Integrated padlocking
connections - terminals	Tunnel type terminals16…70 mm² rigid Tunnel type terminals10…50 mm² flexible
wire stripping length	20 mm
tightening torque	6 N.m
earth-leakage protection	Separate block

standards	EN/IEC 60947-2
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
overvoltage category	IV
tropicalisation	2 conforming to IEC 60068-1
relative humidity	95 % at 55 °C
ambient air temperature for operation	-30…70 °C
ambient air temperature for storage	-40…70 °C

Poles	1	2	3			3+N	4

Rated current, A	Characteristic Trip Curves
Rated current, A	C	C	B	C	D	C	B	C	D
10	18610	18621	-	18632	-	-	-	18649	-
16	18611	18622	-	18633	-	-	-	18650	-
20	18612	18623	-	18634	-	-	-	18651	-
25	18613	18624	-	18635	-	-	-	18652	-
32	18614	18625	-	18636	-	-	-	18653	-
40	18615	18626	-	18637	-	-	-	18654	-
50	18616	18627	-	18638	-	-	-	18655	-
63	18617	18628	-	18639	-	-	-	18656	-
80	18618	18629	18663	18640	18669	18646	18666	18658	18672
100	-	-	18664	18642	18670	18647	18667	18660	18673
125	-	-	18665	18644	18671	18648	18668	18662	18674