SICK IQ40-20BNSKC0K Inductive Proximity Sensor

Selling Points

1Reliable detection of metallic objects with high precision.
2Quick and easy mounting without additional tools required.
3Robust performance in harsh environments with IP 68 rating.
4Precise detection capabilities even in low-temperature conditions (–25 °C to 85 °C).
5Long sensor service life, ensuring consistent performance over time.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Housing	Rectangular	Housing	Short-body
Dimensions (W x H x D)	40 mm x 40 mm x 66 mm	Sensing range Sn	20 mm
Safe sensing range Sa	16.2 mm	Installation type	Flush
Switching frequency	150 Hz	Connection type	Male connector M12, 4-pin
Switching output	NPN	Output function	NO
Electrical wiring	DC 3-wire	Enclosure rating	IP67, IP68, IP69K
Special applications	Difficult application conditions	Items supplied	Push-lock mounting system (1x)
Supply voltage	10 V DC ... 30 V DC	Ripple	≤ 10 V
Voltage drop	≤ 2 V	Time delay before availability	≤ 50 ms
Hysteresis	3 % ... 15 %	Reproducibility	≤ 2 %
Temperature drift (of Sr)	± 10 %	Continuous current Ia	≤ 200 mA
No load current	12.5 mA	Short-circuit protection	✔
Power-up pulse protection	✔	Shock and vibration resistance	30 g, 11 ms / 10 ... 55 Hz, 1 mm
Ambient operating temperature	–25 °C ... +85 °C	Ambient temperature, storage	–40 °C ... +85 °C
Housing material	Plastic, PA 66	Sensing face material	Plastic, PA 66
Tightening torque, max.	1.8 Nm	Protection class	II
UL File No.	E348498	Note	The values are reference values which may vary
Stainless steel (V2A, 304)	Approx. 0.71	Aluminum (Al)	Approx. 0.3
Copper (Cu)	Approx. 0.25	Brass (Br)	Approx. 0.36
Remark	Associated graphic see "Installation"	A	0 mm
B	40 mm	C	40 mm
D	60 mm	E	0 mm
F	70 mm

Specifications may be subject to change without notice