DC-side disconnectors for photovoltaic power supply systems in accordance with IEC 60364-712:2002 12 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 272 300 300 272 2 x Ø 50 Output + – + – Input Input 172 49,3 General Data Switch disconnectors in accordance with EN 60947-3, VDE 0660 part 107 Utilization category for photovoltaic applications: DC-PV0 Opening and closing a PV circuit to disconnect when no current is flowing DC-21B Switching of resistive loads, including moderate overloads Ambient temperature (enclosed): 50 °C over 24 hours with peaks of up to 55 °C Finger-safe terminals in accordance with VDE 0660-514 and BGV A3 Maximum conductor cross section (use only copper conductors) single wire or stranded wire flexible wire without / with wire-end ferrules (according to DIN 46228) 50 mm² 35 mm² Mounting Plastic enclosure, protection class IP 66 / 67, fully insulated, knock-out entries Handle red, in OFF-position lockable with padlocks, front plate background yellow, cover coupling with interlock Name Art. No. Name Art. No. Ue Ie DC-PV0 Ie DC-21B Max. UL PV Ui * 50 °C 1 60 °C 2 50 °C 1 60 °C 2 KG80C.T206/P3.STM 70040683 KG80C.T106/P3.STM 70046577 650 V DC 60 A 60 A 60 A 60 A 750 V DC 1000 V KG80C.T208/P3.STM 70040684 KG80C.T108/P3.STM 70046578 800 V DC 60 A 55 A 60 A 55 A 1000 V DC 1000 V ¹ enclosed up to 50 °C over 24 hours with peaks of up to 55 °C | ² enclosed up to 60 °C over 24 hours with peaks of up to 65 °C + – + Output – Input Input Switching program: 2-pole, 6 contacts per circuit (2 x 3 in series), 8 contacts per circuit (2 x 4 in series) Switching program: 2-pole 6 contacts per circuit (2 x 3 in series) Switching program: 2-pole 8 contacts per circuit (2 x 4 in series) Wiring diagram 650 V DC Wiring diagram 800 V DC Twist torque for clamping screws Stripped length KG80C 3,00 Nm KG80C 14 N 2T1 N 1T3 Input Output + – + – 2T3 2L1 1T1 1L3 Input Output + – + – 650 V DC 800 V DC 600 V DC : 60 A 800 V DC : 60 A 1 x 2-pole 600 V DC / 800 DC VC
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