DC-side disconnectors for photovoltaic power supply systems in accordance with IEC 60364-712:2002 11 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 2 x Ø 25 229 250 145 124 + – Output + – Input Input Ø 25 107 17 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 (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, 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) KG20B/KG32B: 6 mm² KG41B: 16 mm² KG20B/KG32B: 4 mm² KG41B: 10 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-PV2 Ie DC-21B Max. UL PV Ui * 50 °C 1 60 °C 2 50 °C 1 60 °C 2 KG20B.T208/P3.KL11V 70040678 KG20B.T108/P3.KL11V 70046574 800 V DC 18 A 18 A 25 A 20 A 1000 V DC 1000 V KG32B.T208/P3.KL11V 70040679 KG32B.T108/P3.KL11V 70046575 800 V DC 25 A 20 A 25 A 20 A 1000 V DC 1000 V KG41B.T208/P3.KL11V 70040680 KG41B.T108/P3.KL11V 70046576 800 V DC 32 A 32 A 40 A 35 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 Wiring diagram Twist torque for clamping screws Stripped length KG20B/ KG32B 1,25 Nm KG41B 1,80 Nm KG20B/ KG32B 9 KG41B 10 N 2T1 N 1T3 Input Output + – + – Switching program: 2-pole, 8 contacts per circuit (2 x 4 in series) 800 V DC : 18 A / 25 A / 32 A 1 x 2-pole 800 V DC
RkJQdWJsaXNoZXIy MTAxNzE=