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Disconnectors for photovoltaic applications.
500 V DC : 25 A 650 V DC : 18 A / 25 A / 32 A 800 V DC : 12 A / 20 A
Switching program: 2-pole, 6 contacts per circuit (2 x 3 in series) DC-side disconnectors for photovoltaic power supply systems in accordance with IEC 60364-712:2002 1 x 2-pole
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 DC-side disconnectors for photovoltaic power supply systems in accordance with IEC 60364-712:2002 2 x Ø 25 2 x Ø 25 KG20B/KG32B 2 x Ø 25 KG41B
B
B E
Output + –
H
17
145 124
https://flippingbook.krausnaimer.com/KN_PV_GB/
107
17
KG20B KG32B KG41B
B 100 E —
F 178 H 93 K 190
+ Input – Input
145 124 229 107 250
Wiring diagram
Input +
1T1 1L3
+ Output –
2T3 2L1
– + Input
KG20B/ KG32B
1,25 Nm KG41B 1,80 Nm
KG20B/ KG32B 9
KG41B 10
+ – Output
– Input + N N 1T3 2T1 + Output –
Twist torque for clamping screws
Stripped length
Wiring diagram
Input –
KG20B/ KG32B
1,25 Nm KG41B 1,80 Nm
KG20B/ KG32B 9
KG41B 10
Twist torque for clamping screws
Stripped length
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 (KG32B from 26 A: 35 °C over 24 hours with peaks of up to 40 °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
Disconnectors for Photovoltaic Applications 10 Name
KG20B.T206/P3.KL11V KG32B.T206/P3.KL11V KG41B.T206/P3.KL11V
KG20B.T206/P3.KL11V KG32B.T206/P3.KL11V KG41B.T206/P3.KL11V
Art. No. Name
70040674 KG20B.T106/P3.KL11V 70040675 KG32B.T106/P3.KL11V 70040676 KG41B.T106/P3.KL11V
70040674 KG20B.T106/P3.KL11V 70040675 KG32B.T106/P3.KL11V 70040676 KG41B.T106/P3.KL11V
Art. No. Ue 50°C 1 Ie DC-PV2 60°C 2 50°C 1 Ie DC-21B 60°C 2
70046570 650 V DC 18 A 18 A 25 A 22 A 780 V DC 1000 V 70046572 500 V DC 25 A 22 A 25 A 22 A 600 V DC 1000 V 70046573 650 V DC 32 A 32 A 40 A 40 A 780 V DC 1000 V
70046570 800 V DC 12 A 12 A 21 A 21 A 1000 V DC 1000 V 70046572 650 V DC 25 A 22 A 25 A 22 A 780 V DC 1000 V 70046573 800 V DC 20 A 20 A 28 A 28 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
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
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
www.krausnaimer.com
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KG20B.T208/P3.KL11V KG32B.T208/P3.KL11V KG41B.T208/P3.KL11V
70040678 KG20B.T108/P3.KL11V 70040679 KG32B.T108/P3.KL11V 70040680 KG41B.T108/P3.KL11V
Max. UL
Ui* PV
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 50°C 1 Ie DC-PV2 60°C 2 50°C 1 Ie DC-21B 60°C 2
70046574 800 V DC 18 A 18 A 25 A 20 A 1000 V DC 1000 V 70046575 800 V DC 25 A 20 A 25 A 20 A 1000 V DC 1000 V 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
Max. UL
Ui* PV
www.krausnaimer.com/gb_en/catalogues
● photovoltaic grp ●
ues
isolating switches ● main/emergency off ● changeover switches g roof
the sign of quality
● insulated ● mild & stainless steel ● red painted ● sloping roofls o er swi hes
KRAUSNAIMER.COM 01635 26 26 26
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500 V DC / 650 V DC / 800 V DC F
K
F
K
Ø 25
229
250
Ø 25
800 V DC
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