Kraus & Naimer C26 A203 On-Off Cam Switch, 4-Pole, 32 A, 64 x 64 mm Front Plate

Kraus & Naimer C26 A203 On-Off Cam Switch, 4-Pole, 32 A, 64 x 64 mm Front Plate

Kraus & Naimer C26 A203 is a 4-pole on-off (0-1) cam switch rated 32 A. The C26 type switch has a 64 x 64 mm front plate; Ith 32 A, Ui 690 V; three-phase motor rating at 380–440 V is 11 kW (AC-3) and 15 kW (AC-23A); rated short-time withstand current Icw is 350 A (1 s); terminals accept conductors up to 6 mm². Function: 4 poles, 2 positions (0-1), 60° switching angle, 2 stages. It is an on-off switch used to open and close a circuit or load; all poles are opened and closed together by a single handle.

Size TypeS1
Number of Poles4P
SeriesC26
Function CodeA203
Switch FunctionAç-Kapa (0-1)
Switch Positions0-1
Number of Positions2
Switching Angle60° °
Number of Levels2
Front Plate CodeF070
Front Plate Size (A x B)64 x 64 mm
Rated Current32 A
Conventional Free Air Thermal Current (Ith)32 A
Ambient temperature for rated current55 °C (24 hours, tepe 60 °C)
Conventional Enclosed Thermal Current (Ithe)32 A
Rated Insulation Voltage (Ui)690 V (AC 50/60 Hz)
Rated Impulse Withstand Voltage (Uimp)6 kV
Overvoltage categoryIII
Pollution Degree3
Rated Operational Current AC-15 (Ie)220–240 V: 14 A; 380–440 V: 6 A
Rated Operational Current AC-20A (Ie)690 V: 32 A
Rated Operational Current AC-21A (Ie)20–690 V: 32 A
Rated Operational Current AC-22A (Ie)220–500 V: 32 A; 660–690 V: 32 A
Rated Operational Power AC-2 (Pe)3-phase: 220–240 V 8 kW; 380–440 V 15 kW; 500 V 18.5 kW; 660–690 V 15 kW
Rated Operational Power AC-3 (Pe)3-phase: 220–240 V 5.5 kW; 380–440 V 11 kW; 500 V 11 kW; 660–690 V 11 kW. 1-phase: 110–120 V 2.2 kW; 220–240 V 4 kW; 380–440 V 5.5 kW
Rated Operational Power AC-4 (Pe)3-phase: 220–240 V 2.7 kW; 380–440 V 5.5 kW; 500 V 5.5 kW; 660–690 V 5.5 kW. 1-phase: 110–120 V 0.75 kW; 220–240 V 1.5 kW; 380–440 V 3 kW
Rated Operational Power AC-23A (Pe)3-phase: 220–240 V 7.5 kW; 380–440 V 15 kW; 500 V 15 kW; 660–690 V 15 kW. 1-phase: 110–120 V 2.2 kW; 220–240 V 4 kW; 380–440 V 7.5 kW
Maximum Fuse CurrentgG 50 A
Rated Short-Time Withstand Current (Icw)350 A (1 s)
Breaking Capacity220–240 V: 280 A; 380–440 V: 250 A; 660–690 V: 150 A
Power Loss per Pole1.3 W
Solid Conductor Cable Cross-Section1–6 mm2
Stranded Conductor Cable Cross-Section2x6 mm2
Flexible Conductor Cross-Section1.5–6 mm2
Conductor Cross-Section with Ferrule1–4 mm2
Cable section (AWG/MCM)AWG 10 (flexible); AWG 8 (solid or stranded)
Conductor MaterialCopper only (individual strands may be tinned or silver-plated; conductor ends must not be soldered)
Tightening Torque1.3 Nm (12 lb-in)
Recommended Screw DriverPozidriv/Phillips PH2; slotted 1 x 5.5 mm (DIN 5264)
Contact TypeRigid bridging link

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