GKM1L series MCCB plastic case circuit breaker

Categories	MCCB
Model	GKM1L
model	GKM1 L-125,GKM1 L-250,GKM1 L-400,GKM L-800
Shell current Inm(A)	125,250,400,800
Number of poles	3,4
Rated insulation voltage Ui(V)	AC800
Rated operating voltage Ue(V)	AC400
Rated impulse withstand voltage Uimp(V)	8000
Arcing distance (mm)	≯50
Breaking ability level	L,M,H
Update Time	September 27,2023

Detail Information

Applicable work environment

Altitude 2000m and below	Pollution degree 3
Can withstand the effects of humid air	Can withstand the effects of salt spray and oil mist
Can withstand the effects of mold	Maximum inclination is ±22.5°
Works reliably when subjected to normal vibration of the ship	Works reliably under earthquake conditions (4g)
The surrounding medium temperature is not higher than +40 °C (+45 °C for marine products) and not lower than -5 °C
In a medium without explosion hazard, and the medium does not have enough gas and conductive dust to corrode metal and destroy insulation.
In places where there is no rain or snow

Technical performance index

Four-pole circuit breaker specifications

Power loss and derating factor

Trip unit mode and internal accessory code