Highly Reliable IQ40-40NNOKK0S Inductive Proximity Sensor by SICK

Selling Points

1Built with a 40 mm x 40 mm x 118 mm housing, ensuring durability in harsh environments.
2Detects objects at 20 mm and 40 mm sensing ranges, both flush and non-flush.
3Available in DC 3-wire and DC 4-wire configurations for versatile installation options.
4Withstand extreme conditions, including high-pressure cleaning and submersion.
5Features a push-lock mounting system for quick and tool-free setup.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Housing	Rectangular	Housing	Standard design
Dimensions (W x H x D)	40 mm x 40 mm x 118 mm	Sensing range Sn	40 mm
Safe sensing range Sa	32.4 mm	Installation type	Non-flush
Switching frequency	100 Hz	Connection type	Cable gland
Switching output	NPN	Output function	NC
Electrical wiring	DC 3-wire	Enclosure rating	IP67, IP68, IP69K
Special applications	Difficult application conditions	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	≤ 6 %	Temperature drift (of Sr)	± 10 %
Continuous current Ia	≤ 200 mA	No load current	12.5 mA
Cable gland clamping area	M20 1.5	Wire size	≤ 2.5 mm²
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. 0.8
Aluminum (Al)	Approx. 0.34	Copper (Cu)	Approx. 0.27
Brass (Br)	Approx. 0.38	Remark	Associated graphic see "Installation"
A	42 mm	B	150 mm
C	40 mm	D	120 mm
E	40 mm	F	150 mm

Specifications may be subject to change without notice