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 11 DISCONNECTORS FOR PHOTOVOLTAIC + - Output + - Input Input 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) 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 KG20B/KG32B: 6 mm ² KG41B: 16 mm ² KG20B/KG32B: 4 mm ² KG41B: 10 mm ² Mounting Plastic Enclosures, Predection IP66/67, totally insulated, knock-out entries, Handle red, OFF-position lockable with padlocks, cover coupling with interlock Rated Value/Order Number Utilization Category DC-22A DC-21B DC-22A DC-21B DC-22A DC-21B Operational Current I e (enclosed up to 50 ˚C ¹ ) 18 A 25 A 25 A 26 A 32 A 40 A Operational Current I e (enclosed up to 60 ˚C ² ) 18 A 20 A 20 A 20 A 32 A 35 A Operational Voltage U e 800 V DC 800 V DC 800 V DC Max. Off load voltage of the PV inverter 1000 V DC 1000 V DC 1000 V DC Insulation Voltage U i * 1000 V 1000 V 1000 V Order Number Handle red/Escutcheon plate backing KG20B T208/D-P003 KL11V KG32B T208/D-P003 KL11V KG41B T208/D-P003 KL11V Handle black/Escutcheon plate ba- KG20B T108/D-P003 KL11V KG32B T108/D-P003 KL11V KG41B T108/D-P003 KL11V ¹ 50 ˚C during 24 hours with peaks up to 55 ˚C | ² 60 ˚C during 24 hours with peaks up to 65 ˚C Connecting diagram Tightening torque for terminal screws Strip length N 2T1 N 1T3 Input Output + - + - KG20B/ KG32B  1,25 Nm KG41B 1,80 Nm KG20B/ KG32B 9 KG41B 10 Contact development: 2-pole, 8 contacts per circuit (2 x 4 in series) = .. T204 .. = .. T104 .. Ø 25 93 17 229 250 145 124 2 x Ø 25 Ø 25 800 V DC : 25 A/26 A/40 A 1 x 2-pole < Back to the table of contents >