DC-side disconnectors for photovoltaic power supply systems in accordance with IEC 60364-712:2002 5 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 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 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) KG20A/KG32A: 6 mm² KG41B: 16 mm² KG20A/KG32A: 4 mm² KG41B: 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.T306/P1.VE2 70040663 KG20A.T106/P5.VE2 70046562 650 V DC 18 A 25 A 780 V DC 1000 V KG32A.T306/P1.VE2 70040664 KG32A.T106/P5.VE2 70046563 500 V DC 25 A 25 A 600 V DC 1000 V KG41B.T306/P1.VE2 70040665 KG41B.T106/P5.VE2 70048006 650 V DC 32 A 40 A 780 V DC 1000 V KG20A.T306/P1.VE2 70040663 KG20A.T106/P5.VE2 70046562 800 V DC 12 A 21 A 1000 V DC 1000 V KG32A.T306/P1.VE2 70040664 KG32A.T106/P5.VE2 70046563 650 V DC 25 A 25 A 780 V DC 1000 V KG41B.T306/P1.VE2 70040665 KG41B.T106/P5.VE2 70048006 800 V DC 20 A 28 A 1000 V DC 1000 V Wiring diagram Twist torque for clamping screws Stripped length KG20A/ KG32A 1,25 Nm KG41B 1,80 Nm KG20A/ KG32A 9 KG41B 10 2T3 2L1 1T1 1L3 Input Output + – + – 500 V DC : 25 A 650 V DC : 18 A/25 A/32 A 800 V DC : 12 A/20 A 1 x 2-pole Switching program: 2-pole, 6 contacts per circuit (2 x 3 in series) H K 5 26 F1 F2 F2 F1 E 45,4 4,1 Output + – + – Input Input 2 2 , 5 G A KG20A/ KG32A KG41B A 43,7 105,4 E 60 70 F1 32 37,5 F2 10 12,5 G 84 100 H 54 64 K 64 62,5 Without padlock device: With padlock device: 500 V DC / 650 V DC / 800 V DC
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