DC-side disconnectors for photovoltaic power supply systems in accordance with IEC 60364-712 14 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 DGUV V3, 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.TD3351.E 70009912 G20S.D3351.FT16 70046695 1 x 2-pole 750 V DC 20 A 1000 V DC 1000 V G20S.TD3352.E 70009913 G20S.TD3352.FT16 70046696 2 x 2-pole 750 V DC 20 A 1000 V DC 1000 V G20S.TD3353.E 70009501 G20S.TD3353.FT16 70046697 3 x 2-pole 750 V DC 20 A 1000 V DC 1000 V Switching program: 1 x 2-pole, 2 x 2-pole and 3 x 2-pole 2 x 2-pole: 114,3 3 x 2-pole: 147,3 37,4 x 41,3 28,3 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 5 max 750 V DC : 20 A 1 x 2-pole, 2 x 2-pole, 3 x 2-pole 4-hole mounting 16 mm single-hole mounting Ø 36 48 Wiring diagramer <--------------------------- 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 + – + – 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 750 V DC Kraus & Naimer
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