Kraus & Naimer C26 A253 6-Step Cam Switch without OFF, 2-Pole, 32 A, 64 x 64 mm Front Plate
- Brand: Kraus & Naimer
- SKU: C26 WAA253
- MPN: C26 WAA253
- Model: 32 A
- Price: 5833.00 TRY + VAT · incl. VAT 6999.60 TRY
- Availability: Made to order
- Standard Step Switches
- Kraus & Naimer Standard Step Switches
- Selection guide: Standard Step Switches Selection Guide
Kraus & Naimer C26 A253 is a 2-pole step cam switch with 6 steps and no OFF position; thermal current 32 A, front plate size 64 x 64 mm. The handle of the C26 A253 turns in 60° steps through the positions 1-2-3-4-5-6, and each position engages a different contact arrangement; number of levels 6, front plate code F079. It is used in multi-position selection and control circuits. For C26 A253, rated insulation voltage Ui is 690 V, AC-21A rated current is 32 A, maximum fuse rating is gG 50 A and rated short-time withstand current Icw is 350 A (1 s). Single-phase AC-3 motor rating is 4 kW at 220–240 V and 5.5 kW at 380–440 V. C26 A253 is connected by screw terminals: flexible conductors of 1.5–6 mm², conductors with ferrule of 1–4 mm² and stranded conductors of 2 x 6 mm² can be connected; tightening torque is 1.3 Nm.
| Size Type | S1 |
|---|---|
| Number of Poles | 2P |
| Cam Switch Position Count | 6 Positions |
| Series | C26 |
| Function Code | A253 |
| Switch Function | Stepped Without Off (1-2-3-4-5-6) |
| Switch Positions | 1-2-3-4-5-6 |
| Number of Positions | 6 |
| Switching Angle | 60° ° |
| Number of Levels | 6 |
| Front Plate Code | F079 |
| Front Plate Size (A x B) | 64 x 64 mm |
| Rated Current | 32 A |
| Conventional Free Air Thermal Current (Ith) | 32 A |
| Ambient temperature for rated current | 55 °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 category | III |
| Pollution Degree | 3 |
| 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 Current | gG 50 A |
| Rated Short-Time Withstand Current (Icw) | 350 A (1 s) |
| Breaking Capacity | 220–240 V: 280 A; 380–440 V: 250 A; 660–690 V: 150 A |
| Power Loss per Pole | 1.3 W |
| Solid Conductor Cable Cross-Section | 1–6 mm2 |
| Stranded Conductor Cable Cross-Section | 2x6 mm2 |
| Flexible Conductor Cross-Section | 1.5–6 mm2 |
| Conductor Cross-Section with Ferrule | 1–4 mm2 |
| Cable section (AWG/MCM) | AWG 10 (flexible); AWG 8 (solid or stranded) |
| Conductor Material | Copper only (individual strands may be tinned or silver-plated; conductor ends must not be soldered) |
| Tightening Torque | 1.3 Nm (12 lb-in) |
| Recommended Screw Driver | Pozidriv/Phillips PH2; slotted 1 x 5.5 mm (DIN 5264) |
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