MCB Miniature Circuit Breakers, 6KA

Miniature Circuit Breakers with 6KA breaking capacity are designed to provide protection against short circuit and overload for domestic, commercial and industrial electrical installations

Product name MCB
Standards IEC60898- 1
Certificate CE, UKCA
Electrical characteristics
Number of poles 1P,2P,3P,4P
Rated frequency (Hz) 50/60
Frame current (A) Inm 63
Rated current (A) In 2,6,10,16,20,25,32,40,50,63
Rated voltage (V) AC240V/415V  (230V/400V)
Rated insulation voltage (V) Ui 690
Rated impulse withstand voltage (kV)Uimp 4
Rated short-circuit breaking capacity (kA)Ics 6
Rated short-circuit breaking capacity (kA)Icn 6
Instantaneous trip characteristics B,C,D
Trip form Thermal magnetic trip
Pollution level 2
Mechanical properties
Electrical life 10000
Mechanical life 20000
Protection grade IP20
Indicator window Contact status indication
Normal operation conditions and installation characteristics
Storage temperature -35℃ ~ +70℃
Installation site altitude ≤ 2000m
Terminals Fixed with screw
Maximum wiring capacity 25mm2
Maximum limit torque Nm 2.5
Installation category Class Ⅱ , Ⅲ
Installation method 35mm standard rail
Incoming method Upper and lower

Part Numbers

Rated Current Part No (B Curve) Part No (C Curve)
2A MCB-102B MCB-102C
6A MCB-106B MCB-106C
10A MCB-110B MCB-110C
16A MCB-116B MCB-116C
20A MCB-120B MCB-120C
25A MCB-125B MCB-125C
32A MCB-132B MCB-132C
40A MCB-140B MCB-140C
50A MCB-150B MCB-150C
63A MCB-163B MCB-163C


Tripping Characteristic Curves



MCB should be installed on DIN rail terminal and can be connected to the wire less than 25mm2


MCB Data Sheet.pdf