Kraus & Naimer CA10 A176 Start-Stop Cam Switch, 1-Pole, 20 A, 48 x 48 mm Front Plate

Kraus & Naimer CA10 A176 Start-Stop Cam Switch, 1-Pole, 20 A, 48 x 48 mm Front Plate

Kraus & Naimer CA10 A176 is a 1-pole start-stop cam switch rated 20 A. The CA10 type switch has a 48 x 48 mm front plate; Ith 20 A, Ui 690 V; rated short-time withstand current Icw is 140 A (1 s); terminals accept conductors up to 2.5 mm². Function: 1 pole, 2 positions (stop-start), 30° switching angle, 1 stage. It is a start-stop control switch used to give start and stop commands in control circuits.

Size TypeS0
Number of Poles1P
SeriesCA10
Function CodeA176
Switch FunctionStart-Stop (Stop-Start)
Switch PositionsStop-Start
Number of Positions2
Switching Angle30° °
Number of Levels1
Front Plate CodeF024
Front Plate Size (A x B)48 x 48 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)
Contact TypeRigid bridging link

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