KRAUS & NAIMER Disconnectors for Photovoltaic

Disconnectors for Photovoltaic DC Disconnectors for Solar Photovoltaic (PV) Power Supply System acc. to IEC 60364-7-712:2002 Data valid only, if the pre-assembled jumpers have not been modified. * Valid for ungrounded or center-earthed PV systems, overvoltage category III, pollution degree III www.krausnaimer.com 4 DISCONNECTORS FOR PHOTOVOLTAIC General Data Switch Disconnector according to EN 60947-3 respectively VDE 0660 Part 107 Utilization Category: for Photovoltaic Application DC-22A (Switching of combined resistive or low inductive loads including moderate overloads) DC-21B (Switching of resistive loads, including moderate overloads) Ambient Temperature (open): 50 ˚C during 24 hours with peaks up to 55 ˚C Connecting Terminals finger-proof according to VDE 0660-514 and BGV A3, IP 20 Maximum permissible wire size (use copper wire only) single core wire or stranded wire flexible wire without sleeve / sleeving acc. to DIN 46228 KG20A/KG32A: 6 mm ² KG41: 16 mm ² KG20A/KG32A: 4 mm ² KG41: 10 mm ² Mounting Screw/Snap on base mounting for track EN 60715 Escutcheon plate for 45 mm standard knock-out, F-handle black Rated Value/Order Number Utilization Category DC-22A DC-21B DC-22A DC-21B DC-22A DC-21B Operational Current I e 18 A 25 A 25 A 32 A 32 A 40 A Operational Voltage U e 450 V DC 450 V DC 450 V DC Max. Off load voltage of the PV inverter 540 V DC 540 V DC 540 V DC Insulation Voltage U i * 690 V 690 V 690 V Operational Current I e 12 A 21 A 18 A 28 A 20 A 28 A Operational Voltage 500 V DC 500 V DC 500 V DC Max. Off load voltage of the PV inverter 600 V DC 600 V DC 600 V DC Insulation Voltage U i * 690 V 690 V 690 V Order Number Without Padlock device KG20A T304/D-P001 VE2 KG32A T304/D-P001 VE2 KG41 T304/D-P001 VE2 With Padlock device KG20A T104/D-P002 VE2 KG32A T104/D-P002 VE2 KG41 T104/D-P002 VE2 H 56 5 26 G 26 A Input Input Output F1 F1 45,4 E + + - - Connecting diagram Tightening torque for terminal screws Strip length N T3 T1 T2 Input Output + - + - KG20A/ KG32A 1,25 Nm KG41 1,80 Nm4 KG20A/ KG32A 9 KG41 10 Contact development: 2-pole, 4 contacts per circuit (2 x 2 in series) KG20A/ KG32A KG41 A 43,7 52,4 E 60 70 F1 11 12,5 G 55,5 66 H 54 64 Without Padlock device: With Padlock device: 450 V DC : 25 A/32 A/40 A 500 V DC : 21 A/28 A 1 x 2-pole < Back to the table of contents >