ML60-B B type RCCB can detect high frequency AC and smooth DC earth residual currents. It is also named as "universal current sensitive RCCB", which means it could be used for the widest variety of applications like variable speed drives, PV system, EV charging station and there are always also designed for use under harsh ambient.


Technical Data

Standard IEC/EN 61008-1 & IEC/EN62423
Poles 2P, 4P
Tripping Instantaneous
Rated Current (A) 25, 32, 40, 63
Rated Residual Operating Current 30, 100, 300mA
Wave Form B type
Rated Insulation Voltage Ui 500
Rated Impulse Withstand Voltage Uimp 4000V
Rated Short Circuit Strenght lm 500(n=25/40A); 600(ln=63A)
Electro-mechanical Endurance =4,0000 operating cycles


Frame Size 45mm
Device Height 72mm
Device Width 54mm(2P) / 72mm(4P)
Mounting Quick fasterning on DIN rail IEC/EN 60715
Degree of Protection IP20
Upper and Lower Terminals Open mouthed / lift terminals
Terminal Protection Finger and hand touch safe
Terminal Capacity Rigid conductor up to 25㎡
Busbar Specification 0.8-2mm
Terminal Fastening Torque 2.0N.m
Tripping Temperature -25°C + 40°C
Resistance to Climatic Conditions IEC/EN61008-1 + IEC62423
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