Product Description Open Electric 1p 2P 3P 4P Mini MCB 20A 16A 10A 32A 25A 40A 63A AC MCB Miniature Circuit Breaker General: 1.Overload protection 2.Short circuit protection 3.Used in residential buiding,non-residential building,energy souce industry and infastructure 4.According to the type of instantaneous release classified as follows:typeB(3-5)In,typeC(5-10)In,typeD(10-20)In Product Parameters For protection of general power distribution (IEC/EN 60898-1) Poles 1P 2P 3P 4P Electrical performance Functions short circuit protection,overload protection,isolationg,control Rated frequency f (Hz) 50-60Hz Rated working voltage Ue V AC 230/400 400 Rated current In(A) 1,2,3,4,5,6,10,16,20,25,32,40,50,63 Rated insulated voltage Ui (V) 500 Impulse withstand voltage Uimp kV 4 Instantaneous tripping type DZ47-63 B/C/D B/C/D Rated short circuit Icn(kA) 6 10 Release type Thermal magnetic type Service life(O~C) Mechanical Actual value 20000 Standard value 4000 Electrical Actual value 8000 Standard value 4000 Connection and installation Protectiom degree IP20 Wire mm² 1~35 Working temperature -5 ~+40ºC Resistance to humidity and heat Class 2 Altitude above sea ≤2000 Relative humidity +20ºC , ≤90% ;+40ºC , ≤50% Pollution degree 2 Installation environment Avoid obvious shock and vibration Installation class Class II , Class III Mounting DIN35 rail Combination with accessories Auxiliary contact Yes Alarm contact Yes Shunt release Yes Undervoltage release Yes Auxiliary contact+Alarm contact Yes Dimensions(mm) (WxHxL) a 18 36 54 72 b 80 80 80 80 c 72 72 72 72 Detailed Photos