Kraus & Naimer C26 A425/TRA201 Split-Phase Motor Start Cam Switch, 32 A, in Enclosure (KE02)

Kraus & Naimer C26 A425/TRA201 Split-Phase Motor Start Cam Switch, 32 A, in Enclosure (KE02)

Kraus & Naimer C26 A425/TRA201 is a 32 A split-phase start cam switch for single-phase motors with an auxiliary start winding. The switch has positions 0-1-START, a switching angle of 90° + 30° and 2 levels. It is supplied as an enclosed (TRA) version in a KE02 enclosure (IP65) with an I handle. Front plate code F119; size type S1. Rated insulation voltage is 690 V (AC 50/60 Hz) and rated impulse withstand voltage is 6 kV. AC-21A rated operational current is 32 A over 20–690 V; single-phase AC-3 rated power (220–240 V) is 4 kW; AC-23A rated power (220–240 V) is 4 kW. Maximum fuse rating gG 50 A; rated short-time withstand current 350 A (1 s); power loss per pole 1.3 W. The terminals accept stranded conductors up to 2 x 6 mm²; tightening torque is 1.3 Nm (12 lb-in); operating temperature is -25…+60 °C. It is used to control the starting and running of single-phase motors with an auxiliary (start) winding.

SeriesC26
Size TypeS1
Function CodeA425
Switch FunctionTek Fazlı Yardımcı Sargılı Motor (0-1-START)
Switch Positions0-1-START
Number of Positions3
Switching Angle90° + 30° °
Number of Levels2
Front Plate CodeF119
Mounting TypeKutulu
IP RatingIP65
Handle TypeI kolu
Box TypeKE02
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)

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