Procurement teams shortlist IQ40-20BPSKC0K with Sick Diffuse Sensor, Omron Proximity Sensors and Sick Ime12 04Bpszc0S, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
IQ40-20BPSKC0K: 1071840 - Sick 150 Hz Frequency Inductive Sensor
The Sick IQ40-20BPSKC0K Proximity Sensor delivers a 20 mm sensing range with PNP NO output and 150 Hz switching frequency. Its compact 40 Γ 40 Γ 66 mm short-body housing supports flush installation and stable metal detection with a safe sensing range of 16.2 mm. The sensor uses an M12 4-pin connector and is protected by a robust IP67/IP68/IP69K enclosure for demanding applications. Learn more about Sick, explore Sick Proximity Sensors, or view the Sick IQ Series.

| Brand | Sick |
| Product Type | Proximity Sensor |
| Model Number | IQ40-20BPSKC0K |
IQ40-20BPSKC0K 1071840, Sick 150 Hz Frequency Inductive Sensor Technical Specifications:
| Specification | Value |
|---|---|
| Housing | Rectangular, 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 | PNP |
| Output function | NO |
| Electrical wiring | DC 3-wire |
| Enclosure rating | IP67, IP68, IP69K |
The Sick IQ40-20BPSKC0K Proximity Sensor is a compact inductive device engineered for precise detection in industrial automation. The Sick IQ40-20BPSKC0K integrates a 20 mm sensing range, 150 Hz switching frequency, a PNP NO output, and a durable IP67/IP68/IP69K housing. As part of the Sick IQ Series, it supports flush mounting and ensures consistent performance in applications requiring short-distance metallic object detection.
This sensor performs reliably in conveyors, packaging lines, assembly machinery, and material-handling systems. Its short-body rectangular housing fits easily into tight spaces, while the M12 connector ensures secure electrical integration. The flush installation design maintains accuracy even when mounted in metal structures, making it suitable for vibration-heavy and washdown environments.
The Sick IQ40-20BPSKC0K Proximity Sensor offers dependable sensing output, stable operation, and long service life for industrial users. With clear switching characteristics and trusted Sick engineering, it is a reliable choice for automation tasks that require consistent inductive sensing in demanding operating conditions.




