Circuit breaker NG125L 18804 3P 40A C

Manufacturer: Schneider Electric

Barcode: 3303430188049

The NG125L 18804 circuit breaker meets 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 located 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	NG125L
device application	Distribution
poles description	3P
number of protected poles	3
[In] rated current	40 A at 40 °C
network type	DC AC
trip unit technology	Thermal-magnetic
curve code	C
breaking capacity	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 ≤ 375 V DC 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	≤ 375 V DC 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
magnetic tripping limit	8 x In +/- 20 %
[Ics] rated service breaking capacity	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
[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	Manual tripping test Toggle
local signalling	ON/OFF indication Trip indicator
mounting mode	Clip-on
mounting support	35 mm symmetrical DIN rail
comb busbar and distribution block compatibility	YES
9 mm pitches	9
height	103 mm
width	81 mm
depth	81 mm
net weight	0.72 kg
mechanical durability	20000 cycles
electrical durability	10000 cycles
provision for padlocking	Padlockable
locking options description	Integrated padlocking
connections - terminals	Tunnel type terminals1.5…50 mm² rigid Tunnel type terminals1…35 mm² flexible
wire stripping length	20 mm
tightening torque	3.5 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
operating altitude	2000 m
ambient air temperature for operation	-30…70 °C
ambient air temperature for storage	-40…70 °C

Poles	1			2			3			4

Rated current, A	Characteristic Trip Curves
Rated current, A	B	C	D	B	C	D	B	C	D	B	C	D
10	18741	18777	18830	18750	18788	18839	18759	18799	18848	18768	18810	18857
16	18742	18778	18831	18751	18789	18840	18760	18800	18849	18769	18811	18858
20	18743	18779	18832	18752	18790	18841	18761	18801	18850	18770	18812	18859
25	18744	18780	18833	18753	18791	18842	18762	18802	18851	18771	18813	18860
32	18745	18781	18834	18754	18792	18843	18763	18803	18852	18772	18814	18861
40	18746	18782	18835	18755	18793	18844	18764	18804	18853	18773	18815	18862
50	18747	18783	18836	18756	18794	18845	18765	18805	18854	18774	18816	18863
63	18748	18784	18837	18757	18795	18846	18766	18806	18855	18775	18817	18864
80	18749	18785	18838	18758	18796	18847	18767	18807	18856	18776	18818	18865

Tripping time according to IEC/EN60947-2 (at an ambient temperature of 50°C)
Trip curves NG125L