Kraus & Naimer CA10B A230 3-Step Cam Switch without OFF, 1-Pole, 20 A, 64 x 64 mm Front Plate

Kraus & Naimer CA10B A230 3-Step Cam Switch without OFF, 1-Pole, 20 A, 64 x 64 mm Front Plate

Kraus & Naimer CA10B A230 is a 1-pole, 20 A step cam switch with 3 steps (1-3) and no OFF position. Technical values: CA10B type, size class S1, 64 x 64 mm front plate; thermal current Ith 20 A (55 °C), enclosed thermal current Ithe 20 A; rated insulation voltage Ui 690 V, rated impulse withstand voltage Uimp 6 kV (switch), 4 kV (switch disconnector); AC-21A 20 A, AC-22A 20 A, AC-15 380–440 V 4 A; maximum gG 25 A fuse, Icw 140 A (1 s); conductor cross-section: solid 0.5–2.5 mm², flexible 0.75–2.5 mm²; tightening torque 0.6 Nm; 1 pole, 2 levels, 3 steps, positions 1-2-3, switching angle 60°. Values are given in accordance with IEC 60947-3 and EN 60947-3. It is used in control and adjustment circuits that need selection between several circuits or steps; none of the 3 positions is an OFF position.

Size TypeS1
Number of Poles1P
Cam Switch Position Count3 Positions
SeriesCA10B
Function CodeA230
Switch FunctionStepped Without Off (1-2-3)
Switch Positions1-2-3
Number of Positions3
Switching Angle60° °
Number of Levels2
Front Plate CodeF076
Front Plate Size (A x B)64 x 64 mm
Rated Current20 A
Conventional Free Air Thermal Current (Ith)20 A
Ambient temperature for rated current55 °C (24 hours, tepe 60 °C)
Conventional Enclosed Thermal Current (Ithe)20 A
Rated Insulation Voltage (Ui)690 V (AC 50/60 Hz)
Rated Impulse Withstand Voltage (Uimp)6 kV (circuit breaker); 4 kV (switch-disconnector)
Overvoltage categoryIII
Pollution Degree3
Rated Operational Current AC-15 (Ie)220–240 V: 6 A; 380–440 V: 4 A
Rated Operational Current AC-20A (Ie)690 V: 20 A
Rated Operational Current AC-21A (Ie)20–690 V: 20 A
Rated Operational Current AC-22A (Ie)220–500 V: 20 A; 660–690 V: 20 A
Rated Operational Power AC-2 (Pe)3-phase: 220–240 V 4 kW; 380–440 V 7.5 kW; 500 V 10 kW; 660–690 V 10 kW
Rated Operational Power AC-3 (Pe)3-phase: 220–240 V 3 kW; 380–440 V 5.5 kW; 500 V 5.5 kW; 660–690 V 5.5 kW. 1-phase: 110–120 V 0.6 kW; 220–240 V 2.2 kW; 380–440 V 3 kW
Rated Operational Power AC-4 (Pe)3-phase: 220–240 V 0.55 kW; 380–440 V 1.5 kW; 500 V 1.5 kW; 660–690 V 1.5 kW. 1-phase: 110–120 V 0.3 kW; 220–240 V 0.75 kW; 380–440 V 1.5 kW
Rated Operational Power AC-23A (Pe)3-phase: 220–240 V 3.7 kW; 380–440 V 7.5 kW; 500 V 7.5 kW; 660–690 V 7.5 kW. 1-phase: 110–120 V 0.75 kW; 220–240 V 2.5 kW; 380–440 V 3.7 kW
Maximum Fuse CurrentgG 25 A
Rated Short-Time Withstand Current (Icw)140 A (1 s)
Breaking Capacity220–240 V: 150 A; 380–440 V: 150 A; 660–690 V: 80 A
Power Loss per Pole0.9 W
Solid Conductor Cable Cross-Section0.5–2.5 mm2
Stranded Conductor Cable Cross-Section2x2.5 mm2
Flexible Conductor Cross-Section0.75–2.5 mm2
Conductor Cross-Section with Ferrule0.5–2.5 mm2
Cable section (AWG/MCM)AWG 14 (flexible); AWG 12 (solid or stranded)
Conductor MaterialCopper only (individual strands may be tinned or silver-plated; conductor ends must not be soldered)
Tightening Torque0.6 Nm (5 lb-in)
Recommended Screw DriverPozidriv/Phillips PH1; slotted 0.8 x 4 mm (DIN 5264)

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