DC-side disconnectors for photovoltaic power supply systems in accordance with IEC 60364-712 4 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 DC-21B Switching of resistive loads, including moderate overloads Ambient temperature (open): 50 °C over 24 hours with peaks of up to 55 °C 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) KG20A/KG32A: 6 mm² KG41: 16 mm² KG20A/KG32A: 4 mm² KG41: 10 mm² Mounting DIN rail mounting with screw and quick mounting in accordance with EN 60715 Faceplate for 45 mm standard cutout, F-handle grey, with interlock Name without padlock device Art. No. Name with padlock device Art. No. Ue Ie DC-PV2 Ie DC-21B Max. UL PV Ui * KG20A.T304/P1.VE2 70040660 KG20A.T104/P5.VE2 70046559 450 V DC 18 A 25 A 540 V DC 690 V KG32A.T304/P1.VE2 70040661 KG32A.T104/P5.VE2 70046560 450 V DC 25 A 25 A 540 V DC 690 V KG41.T304/P1.VE2 70040662 KG41.T104/P5.VE2 70046561 450 V DC 32 A 40 A 540 V DC 690 V KG20A.T304/P1.VE2 70040660 KG20A.T104/P5.VE2 70046559 500 V DC 12 A 21 A 600 V DC 690 V KG32A.T304/P1.VE2 70040661 KG32A.T104/P5.VE2 70046560 500 V DC 18 A 21 A 600 V DC 690 V KG41.T304/P1.VE2 70040662 KG41.T104/P5.VE2 70046561 450 V DC 32 A 40 A 600 V DC 690 V H 56 5 26 G2 G1 22,5 Input Input Output F F 45,4 E + + – – Wiring diagram Twist torque for clamping screws Stripped length KG20A / KG32A 1,25 Nm KG41 1,80 Nm KG20A / KG32A 9 KG41 10 N T3 T1 T2 Input Output + – + – Switching program: 2-pole, 4 contacts per circuit (2 x 2 in series) 450 V DC : 18 A/25 A/32 A 500 V DC : 12 A/18 A 1 x 2-pole A KG20A / KG32A KG41 A 43,7 52,4 E 60 70 F 11 12,5 G1 55,5 66 G2 21 25 H 54 64 Without padlock device: With padlock device: 450 V DC / 500 V DC
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