DC Switch Disconnectors for Photovoltaic
According to IEC 60364-7DC Switch Disconnectors has to be mounted between PV-modules and the inverter.
Kraus & Naimer offers DC Switch Disconnectors in open or enclosed versions for various voltages and currents.


DC Disconnectors for Solar Photovoltaic (PV) Power Supply System acc. to IEC 60364-7-712:2002

photovoltaic Screw/Snap on Base Mounting 1 String
Rated Operational Current
Rated Operational Voltage [V] 12 [A] 16 [A] 20 [A] 25 [A]
450 - KG20A T304/D-P001 VE2 - KG32A T304/D-P001 VE2
500 KG20A T304/D-P001 VE2 - KG20A T304/D-P001 VE2 -
650 KG20A T306/D-P001 VE2 - - KG32A T306/D-P001 VE2
750 - - - -
800 KG20A T306/D-P001 VE2 KG20A T308/D-P001 VE2 - KG32A T308/D-P001 VE2
1000 - - G20S TD3202 E -
Rated Operational Current
Rated Operational Voltage [V] 32 [A] 63 [A] 64 [A]
450 KG41 T304/D-P001 VE2 - -
500 KG32A T306/D-P001 VE2 - -
650 KG41B T306/D-P001 VE2 KG80 T306/D-P001 VE2 -
750 - - -
800 KG41B T308/D-P001 VE2 - KG80C T206/D-P003 STM


DC Disconnectors for Solar Photovoltaic (PV) Power Supply System acc. to IEC 60364-7-712:2002

photovoltaic In Enclosure 1 String
Rated Operational Current
Rated Operational Voltage [V] 12 [A] 16 [A] 20 [A] 25 [A]
450 - KG20 T204/D-P003 KL51V - KG20 T204/D-P003 KL51V
500 KG20 T204/D-P003 KL51V - KG32 T204/D-P003 KL51V -
650 - KG20B T206/D-P003 KL11V - KG32B T206/D-P003 KL11V
750 - - - -
800 KG20B T206/D-P003 KL11V KG20B T208/D-P003 KL11V - KG32B T208/D-P003 KL11V
Rated Operational Current
Rated Operational Voltage [V] 32 [A] 63 [A] 64 [A]
450 KG41 T204/D-P003 KL11V - -
500 KG32B T206/D-P003 KL11V - -
650 KG41B T206/D-P003 KL11V KG80C T206/D-P003 STM -
750 - - -
800 KG41B T208/D-P003 KL11V - KG80C T206/D-P003 STM


DC Disconnectors for Solar Photovoltaic (PV) Power Supply System acc. to IEC 60364-7-712:2002

Screw/Snap on Base Mounting 2 Strings
Rated Operational Current
Rated Operational Voltage [V] 20(A)
500 G20S TD3104 E
750 G20S TD3352 E
1000 G20S TD3204 E


DC Disconnectors for Solar Photovoltaic (PV) Power Supply System acc. to IEC 60364-7-712:2002

Screw/Snap on Base Mounting 3 Strings
Rated Operational Current
Rated Operational Voltage [V] 20(A)
500 G20S TD3106 E
750 G20S TD3353 E
1000 G20S TD3206 E