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ManualsBrandsKraus & Naimer ManualsCircuit BreakersUniselector 20 A 3 x 40 ° Grey, Black 1 pc(s)
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CH10
Type Size: S0
Classification Contact: Rigid contact bridge
Classification Contact Mat: Silver
Classification Terminal: Screw terminal
IEC 60947-3 EN 60947-3, VDE 0660 Teil 107
Rated insulation voltage Ui
Voltage (V) AC / DC
690 AC / DC
Rated impulse withstand voltage Uimp
Voltage (kV) Overvoltage category Pollution degree Supply system Function
6 III 3 Valid for lines with grounded common neutral termination switch
4 III 3 Valid for lines with grounded common neutral termination Switch disconnector
Rated uninterrupted current Iu/Ith
Current (A) Ambient temperature (°C) Peak temperature (°C) additional requirements
20 55 60 Ambient temperature +55°C during 24 hours with peaks up to +60°C
Conventional enclosed thermal current Ithe
Current
(A)
Ambient temperature
(°C)
Peak temperature (°C) Additional requirements
No. of stages (from -
to)
Mounting Mounting size
20 35 40
Ambient temperature +35°C during 24 hours with
peaks up to +40°C
-- -- --
Rated operational current Ie
Utilization category Voltage (V) Current (A)
AC-15 110 - 110 6
AC-15 220 - 240 6
AC-15 380 - 440 4
AC-20A 690 20
AC-21A 20 - 690 20
AC-22A 220 - 440 20
AC-22A 500 - 500 20
AC-22A 660 - 690 16
Rated operational power
Utilization category Voltage (V) No. of phases No. of poles Power (kW)
AC-2 220 - 240 3 3 4
AC-2 380 - 440 3 3 7,50
AC-2 500 - 500 3 3 10
AC-2 660 - 690 3 3 10
AC-3 220 - 240 3 3 3
AC-3 380 - 440 3 3 5,50
AC-3 500 - 500 3 3 5,50
AC-3 660 - 690 3 3 5,50
AC-3 110 - 120 1 2 0,60
AC-3 220 - 240 1 2 2,20
AC-3 380 - 440 1 2 3
AC-3 500 - 500 1 2 3
AC-3 660 - 690 1 2 3
AC-4 220 - 240 3 3 0,55
AC-4 380 - 440 3 3 1,50
AC-4 500 - 500 3 3 1,50
AC-4 660 - 690 3 3 1,50
AC-4 110 - 120 1 2 0,30
Datasheet
06.15.2023 04:31 AM v3.5 https://www.krausnaimer.com Page 1 of
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