Kraus & Naimer CA20 T204/01 E S0 Emergency Stop Main Switch, 4-Pole, 25 A, 48 x 48 mm Front Plate
- Brand: Kraus & Naimer
- SKU: CA20 T204/01 E S0
- MPN: CA20 T204/01 E S0
- Model: 25 A
- Price: 1736.00 TRY + VAT · incl. VAT 2083.20 TRY
- Availability: Made to order
- Load Break Switches
- Kraus & Naimer Load Break Switches
- Selection guide: What Is a Load Break Switch? Types and Selection Criteria
Kraus & Naimer CA20 T204/01 E S0 is a 25 A (Ith), 4-pole emergency stop main switch (lockable, red handle, yellow front plate); E S0 mounting (four-hole panel, size S0), 48 x 48 mm front plate, IP40. Ratings: rated insulation voltage Ui 690 V, impulse withstand voltage Uimp 6 kV, AC-21A 25 A, three-phase motor rating at 380–440 V: AC-3 7.5 kW, AC-23A 11 kW, breaking capacity 200 / 200 / 125 A (220–240 / 380–440 / 660–690 V), maximum fuse 35 A gG, short-time withstand current 280 A (1 s). Connection: flexible conductors 1.5–4 mm², solid or stranded conductors 0.75–4 mm², terminal tightening torque 1 Nm. It is used as a three-phase 0-1 main switch with neutral; this is the yellow-red lockable version.
| Number of Poles | 4P |
|---|---|
| Rated Current | 25 A |
| Mounting Type | E montajı: dört delikli panel |
| IP Rating | IP40 |
| Series | CA20 |
| Size Type | S0 |
| Function Code | T204 |
| Switch Function | Acil Durdurma Fonksiyonlu Ana Şalter (0-1) |
| Switch Positions | 0-1 |
| Number of Positions | 2 |
| Front Plate Size (A x B) | 48 x 48 mm |
| Handle Color | Red (sarı ön plaka) |
| Conventional Free Air Thermal Current (Ith) | 25 A |
| Ambient temperature for rated current | 55 °C (24 hours, tepe 60 °C) |
| Conventional Enclosed Thermal Current (Ithe) | 25 A |
| Rated Insulation Voltage (Ui) | 690 V (AC 50/60 Hz and DC) |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| Overvoltage category | III |
| Pollution Degree | 3 |
| Rated Operational Current AC-15 (Ie) | 220–240 V: 8 A; 380–440 V: 5 A |
| Rated Operational Current AC-20A (Ie) | 690 V: 25 A |
| Rated Operational Current AC-21A (Ie) | 20–690 V: 25 A |
| Rated Operational Current AC-22A (Ie) | 220–500 V: 25 A; 660–690 V: 25 A |
| Rated Operational Power AC-2 (Pe) | 3-phase: 220–240 V 5.5 kW; 380–440 V 11 kW; 500 V 15 kW; 660–690 V 13 kW |
| Rated Operational Power AC-3 (Pe) | 3-phase: 220–240 V 4 kW; 380–440 V 7.5 kW; 500 V 7.5 kW; 660–690 V 7.5 kW. 1-phase: 110–120 V 1.5 kW; 220–240 V 3 kW; 380–440 V 3.7 kW |
| Rated Operational Power AC-4 (Pe) | 3-phase: 220–240 V 1.5 kW; 380–440 V 3 kW; 500 V 3 kW; 660–690 V 3 kW. 1-phase: 110–120 V 0.45 kW; 220–240 V 1.1 kW; 380–440 V 2.2 kW |
| Rated Operational Power AC-23A (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 1.5 kW; 220–240 V 3 kW; 380–440 V 5.5 kW |
| Maximum Fuse Current | gG 35 A |
| Rated Short-Time Withstand Current (Icw) | 280 A (1 s) |
| Breaking Capacity | 220–240 V: 200 A; 380–440 V: 200 A; 660–690 V: 125 A |
| Power Loss per Pole | 0.9 W |
| Solid Conductor Cable Cross-Section | 0.75–4 mm2 |
| Stranded Conductor Cable Cross-Section | 2x4 mm2 |
| Flexible Conductor Cross-Section | 1.5–4 mm2 |
| Conductor Cross-Section with Ferrule | 1–2.5 mm2 |
| Cable section (AWG/MCM) | AWG 12 (flexible); AWG 10 (solid or stranded) |
| Conductor Material | Copper only (individual strands may be tinned or silver-plated; conductor ends must not be soldered) |
| Tightening Torque | 1 Nm (9 lb-in) |
| Recommended Screw Driver | Pozidriv/Phillips PH1; slotted 0.8 x 5.5 mm (DIN 5264) |
| Contact Type | Rigid bridging link |
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