Product Description
Turck BC20-K40SR-FDZ3X2 Capacitive sensor
The Turck BC20-K40SR-FDZ3X2 is a capacitive sensor. Rated switching distance 30 mm, mounting flush, design smooth barrel ⌀ 40 mm, output 2-wire AC/DC, switching function wiring-programmable, connection via terminal compartment, operating voltage 20…250 VAC, protection class IP67, adjustment via potentiometer. Ident no. 2204001, EAN 4047101088212.
Features
- 2 cable entries (axial, radial)
- Smooth barrel, ⌀ 40 mm
- Plastic, ABS
- Fine adjustment via potentiometer
- AC 2-wire, 20…250 VAC
- DC 2-wire, 3…320 VDC
- Programmable connection (NC/NO)
- Terminal chamber
Technical data
Mechanical data (9)
| Design |
Smooth barrel, 40 mm |
| Construction type designation |
K40SR ⌀ 40 mm |
| Dimensions |
90 mm |
| Housing color |
Yellow |
| Housing material |
Plastic, ABS |
| Active area material |
ABS |
| Electrical connection |
Terminal chamber |
| Clamping ability |
≤ 2,5 mm² |
| Mounting conditions |
Flush |
Electrical data (8)
| AC rated operational current |
≤ 400 mA |
| Output function |
2-wire, wiring-programmable |
| DC rated operational current |
≤ 200 mA |
| Isolation test voltage |
≤ 1,5 kV |
| Oscillation frequency |
acc. to EN 60947-5-2, 8.2.6.2 Table 9: 0.1…2.0 MHz |
| Residual current |
≤ 1,7 mA |
| Smallest operating current |
≥ 5 mA |
| Switching frequency |
0,02 kHz |
Ambient conditions (5)
| Ambient temperature |
-25…+70 °C |
| Pollution degree |
3 |
| Shock resistance |
30 g (11 ms) |
| Vibration resistance |
55 Hz (1 mm) |
| Protection class |
IP67 |
Detection area/measuring range (4)
| Rated switching distance |
30 mm |
| Rated switching distance (flush) |
20 mm |
| Rated switching distance (non-flush) |
30 mm |
| Secured operating distance |
≤ (0.72 × Sn) mm |
Power supply (4)
| Operating voltage UB |
20…250 VAC |
| Operating voltage UB |
3…250 VDC |
| Frequency |
50…60 Hz |
| Voltage drop at Ie |
≤ 7 V |
Accuracy/deviation (3)
| Hysteresis |
2…20 % of f.s. |
| Temperature drift |
typical 20 % |
| Repeat accuracy |
≤ 2 % of f.s. |
Displays/controls (3)
| Power-on indication |
LED, Green |
| Switching state |
LED, Red |
| Setting 1 |
Potentiometer |
General data (2)
| Measuring principle |
Capacitive |
| Utilization category AC |
140 |
Tests/approvals (1)
| MTTF |
1080 years acc. to SN 29500 (Ed. 99) 40 °C |
Other properties (1)
Comments (1)
| Included in delivery |
BS40, cable gland, gland insert |
Delivery time and availability
For urgent orders please ask us for the exact delivery time in advance; on request we check express shipping.
Your Benefits With Us
- Worldwide shipping of all Turck capacitive sensors
- Large stock levels for many products – current lead time available on request
- Mounting accessories, process adapters and connection cables available on request
- Fast shipping via UPS (parcel) or freight forwarder (pallets), express delivery available on request
- Extensive hands-on application know-how
- Personal advice on selecting the right component
- Resellers receive volume-based discounts on request
- Large companies, public authorities and government agencies can order on account (request via our contact form)