CAB2-63S 4.5kA/6kA Miniature Circuit Breaker

Short Description:

CAB2-63S Series Circuit Breaker(MCB)has the characteristics of advanced structure, reliable performance, high breaking capacity and beautiful appearance. It is mainly used for AC 50Hz or 60Hz, rated voltage 400V or below and rated working current 63A or below. It is used for overload and short-circuit protection of lighting, distribution lines, equipment in office buildings, residential buildings and etc. It can also be used for infrequent on-off operations and conversion of lines.

Product Detail

Product Tags

Technical Data

Electrical Features

Rated current In 1,2,3,4,5,6,8,10,13,16,20,25,32,40,50,63A

Rated voltage Ue

1P, 1P+N, 2P, 3P, 3P+N,4P


Insulation voltage Ui 500V
Rated frequency 50/60Hz
Rated breaking capacity 1-40A 6,000A / 50-63A 4,500A
Energy limiting class 3
Rated impulse withstand voltage(1.5/50) Uimp 4,000V
Dielectric test voltage at ind. Freq. for 1 min 2kV
Pollution degree 2
Thermo-magnetic release characteristic B,C,D

Mechanical Features

Electrical life 4,000 Cycles
Mechanical life

Contact position indicator

10,000 Cycles


Protection degree IP20
Reference temperature for setting of thermal element 30℃
Ambient temperature (with daily average≤35℃) -5℃~+40℃
Storage temperature -25℃~+70℃


Terminal connection type

Terminal size top/bottom for cable

Cable/Pin-type busbar

25mm2 18-3AWG

Terminal size top/bottom for busbar 25mm2 18-3AWG
Tightening torque 2.5Nm 22In-Ibs
Mounting On DIN rail EN60715(35mm) by means of fast clip device
Connection Power supply in both directions

Combination With Accessories

Auxiliary contact Yes
Alarm contact

Shunt release



Over/Under voltage release Yes
4.5KA&6KA MCB Mini Circuit Breaker CAB2-63S

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