Main Switch/Switch Disconnectors

Excel Groups Switch Disconnectors are designed to isolate the live and neutral of the supply in our consumer units and as stand alone installations. They are suitable for residential, commercial and industrial installations.

Product name Main Switch
Standards IEC60947- 3
Certificate CE, UKCA
Electrical characteristics
Number of poles 2P,4P
Rated frequency (Hz) 50/60
Frame current (A) Inm 125
Rated current (A) In 100, 125
Rated voltage (V) Ue AC230/400(2P) AC400(4P)
Rated insulation voltage (V) Ui 690
Rated impulse withstand voltage (kV)Uimp 4
Rated short-time withstand current (kA) Icw 12 Ie / 1s
Rated short-circuit making capacity (kA) Icm 20 Ie / 0.1s
Rated making and breaking capacity (kA) Icm 3Ie
Pollution class III
Mechanical properties
Electrical life 10000
Mechanical life 20000
Protection grade IP20
Indicator window Contact status indication
Normal operation conditions and installationcharacteristics Storage temperature
Installation site altitude -35℃ ~+70℃ ≤ 2000m
Terminals Fixed with screw
Maximum wiring capacity 50mm2
Maximum limit torque Nm 3.5
Installation category Class Ⅱ , Ⅲ
Installation method 35mm standard rail
Incoming method Upper and lower

Part Numbers

Part No Descriptions
MS-2100 2 Pole 100A Isolator
MS-2125 2 Pole 125A Isolator
MS-4100 4 Pole 100A Isolator
MS-4125 4 Pole 125A Isolator



Main Switch Data Sheet.pdf