DC-side disconnectors for photovoltaic power supply systems in accordance with IEC 60364-712:2002 13 www.krausnaimer.com Data valid only if the pre-assembled bridges have not been modified. * Valid for ungrounded or midpoint-grounded PV grids, overvoltage category III, pollution degree III General Data Switch disconnectors in accordance with EN 60947-3, VDE 0660 part 107 Utilization category for photovoltaic applications: DC-PV2 Connecting and disconnecting a PV circuit, where severe overcurrent may occur and where the current can flow in both directions Ambient temperature (open): 55 °C over 24 hours with peaks of up to 65 °C over 8 hours Finger-safe terminals in accordance with VDE 0660-514 and BGV A3, protection class IP 20 Maximum conductor cross section (use only copper conductors) single wire or stranded wire flexible wire without / with wire-end ferrules (according to DIN 46228) 2 x 2,5 mm² 2 x 2,5 mm² Mounting Mounting 16 mm single-hole mounting Front mounting with 4-hole mounting, maximum panel thickness of 4 mm Protection class IP66, maximum panel thickness of 5 mm Faceplate background, brushed aluminum, standard handle B-handle Name 4-hole mounting Art. No. Name 16 mm single-hole mounting Art. No. Pole Ue Ie DC-PV2 Max. UL PV Ui * G20S.TD3102.E 70009899 G20S.TD3102.FT16 70046692 1 x 2-pole 500 V DC 20 A 630 V DC 630 V G20S.TD3104.EF 70009900 G20S.TD3104.FT16 70046693 2 x 2-pole 500 V DC 20 A 630 V DC 630 V G20S.TD3106.E 70009901 G20S.TD3106.FT16 70046694 3 x 2-pole 500 V DC 20 A 630 V DC 630 V Switching program: 1 x 2-pole, 2 x 2-pole and 3 x 2-pole 500 V DC : 20 A 1 x 2-pole, 2 x 2-pole, 3 x 2-pole 1 x 2-pole: 70,3 2 x 2-pole: 92,3 3 x 2-pole: 114,3 37,4 x 41,3 28,3 1 x 2-pole: 74,8 2 x 2-pole: 96,8 3 x 2-pole: 118,8 37,4 x 41,3 27 5 max Hole pattern Twist torque for clamping screws 4-hole 16 mm 15-19 36 5 12,3 16,3 + 0,2 0 + 0,2 0 G20S 0,6 Nm Stripped length G20S 8 4 max 500 V DC 4-hole mounting 16 mm single-hole mounting Ø 36 48 Kraus & Naimer Wiring diagramer <- - - - - - - - - - - - - - - - - - - - - - - - - - 3 x 2-pole - - - - - - - - - - - - - - - - - - - - - - - - - - -> <- - - - - - - - - - - - - 2 x 2-pole - - - - - - - - - - - -> <- 1 x 2-pole -> 5 6 1 2 Input Output + – + – 13 14 9 10 Input Output + – + – 21 22 17 18 Input Output + – + –
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