KRAUS & NAIMER Enclosed Product Catalogue

Direct Sales Line: +353 61 704700 Email : sales-ie@krausnaimer.com Issue 17 25 Single String DC Switch Disconnectors - Selection Chart DC-21B Please select the switch disconnector according to the maximum voltage and current output of all upstream PV modules, this must include all corrective factors according to relevant standards. Two String DC Switch Disconnectors - Selection Chart DC-21B insulated enclosure DC Switch Disconnectors - Single & Two String DC-21B 8 - 50A • up to 50 amps @1000 VDC to give higher rating • permanent magnets in the contact body used to reduce arcing time • non-polarity sensitive Ratings Per String (220V - 500V) Order Code No. FIG. 220V 250V 280V 330V 340V 375V 400V 420V 440V 460V 500V 25A 21A 21A 20A 20A 18A 18A 11A 11A 11A KG20 T104/GB-P103 KL51V FIG 1 28A 28A 28A 25A 25A 23A 23A 15A 15A 15A 12A KG32 T104/GB-P103 KL51V FIG 1 50A 50A 40A 40A 40A 40A 40A 30A 30A 30A 30A KGD40 TD104/D-P004 KL11V FIG 2 50A 50A 50A 50A 40A 40A 40A 40A KGD40B TD106/D-P004 KL11V FIG 3 50A 50A 50A 50A 50A KGD40B TD108/D-P004 KL11V FIG 3 Ratings Per String (510V - 1000V) Order Code No. FIG. 510V 560V 600V 660V 680V 690V 750V 800V 920V 1000V 20A 20A 20A 20A 12A 12A 12A 12A 8A 8A KGD40 TD104/D-P004 KL11V FIG 2 25A 23A 23A 15A 15A KG32B T106/GB-P103 KL11V FIG 2 20A 18A 18A 18A 11A KG20B T108/GB-P103 KL11V FIG 3 40A 40A 40A 30A 30A 30A 30A 20A 20A 20A KGD40B TD106/D-P004 KL11V FIG 3 40A 40A 40A 40A 40A 30A 30A KGD40B TD108/D-P004 KL11V FIG 3 Switch - Disconnector 2 & 4 pole. • IP66/67 Protection • black/grey padlockable handle • grey insulated enclosure (RAL7035) • switch interlocked with lid to prevent opening in ‘ON’ position • class II compliant • rated for use in ambient temperatures up to 50 0 C Including NEW KGD40 KGD40 only: Voltage Order Code No. FIG. 250V 375V 400V 450V 500V 600V 650V 660V 750V 800V 850V 920V 1000V 25A 25A 25A 25A 21A 20A 20A 18A 18A 18A 11A 11A KG20 T104/D-P003 KL51V FIG 1 25A 25A 23A 23A 23A 15A 15A 12A KG32 T104/D-P003 KL51V FIG 1 50A 40A 40A 30A 30A KGD40 TD102/D-P003 KL11V FIG 2 50A 40A 40A 40A 30A 30A 30A 20A 20A 20A KGD40 TD103/D-P003 KL11V FIG 2 50A 50A 50A 40A 40A 40A 40A 30A 30A 30A KGD40 TD104/D-P003 KL11V FIG 2 50A 50A 50A 50A 40A 40A 40A KGD40B TD106/D-P003 KL11V FIG 3 50A 50A 50A 50A KGD40B TD108/D-P003 KL11V FIG 3 Single String Two String