DC Load Break Switches

KATKO’s PV switch is used to break direct current so that solar panels or an inverter can be safely isolated for maintenance. PV switch can be installed for individual panels or a string of panels. Dalroad is an authorised distributor of KATKO products. For further information regarding specific DC switches, see product data sheets below or contact our dedicated sales teams for a quote.

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Further information

DC Load Break Switches Part Numbers

 

Load Break Switch PV 216 PV 225 PV 232 PV 416 PV 425 PV 432
Safety Switch, Polycarbonate, U2 PVM 216 PVM 225 PVM 232 PVM 416 PVM 425 PVM 432
Safety Switch, Aluminium, A2 PVA 216 PVA 225 PVA 232 PVA 416 PVA 425 PVA 432
Poles 2 2 2 4 4 4
Rated insulation voltage Ui (V) 1200 1200 1200 1200 1200 1200
Impulse withstand voltage Uimp (kV) 8 8 8 8 8 8
Rated thermal current, open air Ith (A) 16 25 32 16 25 32
Rated thermal current, enclosed ambient +40°C Ith (A) 16 25 32 16 25 32
Rated thermal current, enclosed ambient +60°C Ithe (A) 16 25 32 16 25 32
Nominal values with cable sizes mm2 2.5 4 6 2.5 4 6
Rated operational current Ue (VDC)
DC-21B / PV2* 300V 16/16* 25/20* 32/25* 16/16* 25/25* 32/32*
400V 16/16* 25/20* 32/25* 16/16* 25/25* 32/32*
500V 16/16* 25/20* 32/25* 16/16* 25/25* 32/32*
600V 16/8* 25/10* 32/12* 16/16* 25/25* 32/32*
700V 16/6* 20/8* 25/10* 16/16* 25/25* 32/32*
800V 16/6* 20/8* 25/10* 16/16* 25/25* 32/32*
900V 16/6* 20/8* 25/10* 16/16* 25/25* 32/32*
1000V 16/6* 20/8* 25/10* 16/16* 25/25* 32/32*
1200V 10 12 16 16 25 32
Rated short circuit making capacity Icm (A) 1100 1100 1100 1100 1100 1100
Rated short time withstand current Icw (A) 800 800 800 800 800 800
Mechanical endurance 20000 20000 20000 20000 20000 20000
Terminals / *Bolt size Cu (mm2) 1.5-16 1.5-16 1.5-16 1.5-16 1.5-16 1.5-16
Terminal torque (Nm) 1.8 1.8 1.8 1.8 1.8 1.8

 

 

 

 

 

DC Load Break Switches

Key benefits

  • Compact size DC load break switch (PV)