Technical data of AC Miniature Circuit Breaker

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Technical data of AC Miniature Circuit Breaker (MCB)

 Technical Data :
Standard Unit IEC/EN 60898 IEC/EN 60947-2
Electrical Features Rated current In A 2 , 4 , 6 , 10 , 16 , 20 , 25 , 32 , 40 , 50 , 63 , 80 , 100 , 125
Poles n 1P , 1P+N , 2P , 3P , 3P+N , 4P
Rated voltage Ue V 240 / 415
Insulation voltage Ui V 500
Rated frequency Hz 50 - 60
Rated breaking capacity A 6000 / 10000
Energy limiting class n 3
Rated impulse withstand voltage Uimp V 2500
Dielectric test voltage at ind. Freq. for 1 min. V 2500
Pollution degree n 3
Power loss per pole W 2A( 2.1 W ) , 4A( 2.3 W ) , 6A( 2.6 W ) , 10A( 2.7 W) 
16A(3.2 W) , 20A(3.9 W) ,25A(4.2 W) , 32A(5.3 W)
40A( 6.9 W ) , 50A( 8.2 W ) , 63A( 11.5 W )
Thermo-magnetic release characteristic B                       C                          D 
(3 - 5) In                 (5 - 10) In             (10 - 20) In
Mechanical Features Electrical life 4000
Mechanical life 20000
Contact position indicator Yes
Protection degree IP 20
Reference temperature for setting of thermal element °C 30
Ambient temperature ( with daily              averages 35°C ) °C o - 5 to +40 ( Special application please refer to P03
 for temperature compensation correction )
Storage temperature °C o -25 to +70
Installation Terminal connection type Cable / U - type busbar / Pin - type busbar
Terminal size top/bottom for cable mm2 25
AWG o18 - 3
Terminal size top/bottom for busbar mm2 25
AWG o18 - 3
Tightening torque N.m 2 . 0
In-Ibs. 22
Mounting on DIN rail EN60715 (35mm) by means of fast clip device
Connection From top and bottom
Combination with accessories Auxiliary contact Yes
Shunt release  Yes
Under voltage release Yes
Alarm contact Yes