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 5 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 KG41B: 16 mm ² KG20A/KG32A: 4 mm ² KG41B: 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 32 A 32 A 32 A 40 A Operational Voltage U e 650 V DC 500 V DC 650 V DC Max. Off load voltage of the PV inverter 780 V DC 600 V DC 780 V DC Insulation Voltage U i * 1000 V 1000 V 1000 V Operational Current I e 12 A 21 A 25 A 32 A 20 A 28 A Operational Voltage U e 800 V DC 650 V DC 800 V DC Max. Off load voltage of the PV inverter 1000 V DC 780 V DC 1000 V DC Insulation Voltage U i * 1000 V 1000 V 1000 V Order Number Without Padlock device KG20A T306/D-P001 VE2 KG32A T306/D-P001 VE2 KG41B T306/D-P001 VE2 With Padlock device KG20A T106/D-P002 VE2 KG32A T106/D-P002 VE2 - Connecting diagram Tightening torque for terminal screws Strip length 2T3 2L1 1T1 1L3 Input Output + - + - KG20A/ KG32A 1,25 Nm KG41B 1,80 Nm KG20A/ KG32A 9 KG41B 10 Contact development: 2-pole, 6 contacts per circuit (2 x 3 in series) H K 5 26 F1 F2 F2 F1 E 45,4 4,1 Output + - + - Input Input 26 G A KG20A/ KG32A KG41B A 43,7 105,4 E 60 70 F1 32 37,5 F2 10 12,5 G 84 100 H 54 64 K 64 62,5 Without Padlock device: With Padlock device: 500 V DC : 32 A 650 V DC : 25 A/32 A/40 A 800 V DC : 21 A/28 A 1 x 2-pole < Back to the table of contents >