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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.

Electrical Features 

Standard:  IEC/EN62423 & IEC/EN 61008-1

Type (wave form of the earth leakage sensed): Type B

Poles: 1P+N, 3P+N

Rated Current(In): 25,40,63A

Rated Sensitivity I&n: 30mA, 100mA, 300mA

Insulation Voltage Ui: 500V

Rated Residual Making and Breaking Capacity I&m: 500A (In=25/40A0), 630A (In=63A)

Short-Circuit Current Inc=I&c : 10000A

SCPD Fuse :10000A

Break Time under I&n :<=0.1A

Rated Frequency :50 Hz

Rated Impulse Withstand Voltage (1.2/5.0) Uimp: 4000V

Dielectric Test Voltage at ind.Freq.for 1min :2.5 kV

Pollution Degree: 2 

Mechanical Features

Electrical Life: 2000 times

Mechanical life: 10000 times

Fault Current Indicator: Yes

Protection Degree: IP20

Ambient Temperature (with daily averages<=35 °C):  -25-40 °C

Storage Temperation : -25- 70°C

Installation Features

Terminal Connection Type: Cable/ U-Type Busbar

Terminal Size Top/Bottom for cable: 25/35 mm2

                                                            18-3/18-2 AWG

Terminal Size top/bottom for Busbar: 10/16 mm2


Tightening Torque :  2.5 N.M

Connection : From top to Bottom

Mounting: On DIN Rail EN60715(35mm)

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