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 14 DISCONNECTORS FOR PHOTOVOLTAIC Connecting diagrams <-------------------------- 3 x 2-pole --------------------------> <------------- 2 x 2-pole ------------> <- 1 x 2-pole -> 11 12 1 5 + - + - Input Output 23 24 13 17 + - + - Input Output 35 36 25 29 Input Output + - + - General Data Switch Disconnector according to EN 60947-3 respectively VDE 0660 Part 107 Utilization Category: DC-22A for Photovoltaic Application, DC-21B on request Ambient Temperature (open): 55 ˚C during 24 hours, 65 ˚C during 8 hours 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 2 x 2,5 mm ² 2 x 2,5 mm ² Mounting 4-hole mounting Mounting 16 mm Single hole mounting Degree of protection IP66, Panel thickness maximal 4 mm, Degree of protection IP66, Panel thickness maximal 5 mm, Escutcheon plate backing brushed aluminium, Standard handle B-Handle Rated Value/Order Number 1 x 2-pole 2 x 2-pole 3 x 2-pole Operational Current I e 20 A 20 A 20 A Operational Voltage U e 750 V DC 750 V DC 750 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 4-hole mounting G20S TD3351 EF G20S TD3352 EF G20S TD3353 EF 16 mm Single hole mounting G20S TD3351 FT16 G20S TD3352 FT16 G20S TD3353 FT16 Contact development: 1 x 2-pole, 2 x 2-pole und 3 x 2-pole Drill hole pattern Tightening torque for terminal screws 4-hole 16 mm 15-19 36 5 12,3 16,3 +0,2 0 +0,2 0 G20S 0,8 Nm Strip length G20S 8 2 x 2-pole: 114,3 3 x 2-pole: 147,3 37,4 x 41,3 28,3 4 max 1 x 2-pole: 81,3 2 x 2-pole: 118,8 3 x 2-pole: 151,8 37,4 x 41,3 1 x 2-pole: 85,8 27 4-hole mounting 16 mm Single hole mounting Ø 36 5 max 48 750 V DC : 20 A  1 x 2-pole, 2 x 2-pole und 3 x 2-pole < Back to the table of contents >