The SICK WL36-B23 is a photoelectric retro-reflective sensor in the WL36 family, designed for presence and position detection in industrial automation. It operates on a 10-30 VDC supply and provides a dual PNP/NPN switching output, rated at 200 mA continuous current. The sensor uses a visible red light beam that reflects off a separate reflector (not included), making it suitable for detecting opaque objects across a defined path without needing a separate receiver unit. The terminal connection allows direct wiring into a control cabinet or junction box. Housed in a plastic rectangular body measuring 36 x 72 x 87 mm (W x H x D), the WL36-B23 is a panel-mount style sensor. The listed code 172 on the component line identifies this specific variant within the SICK WL36 range.
SICK WL36-B23 Photoelectric Retro-Reflective Sensor, 10-30 V
SICK WL36-B23, Photoelectric Retro-Reflective Sensor, 10-30 VDC, PNP/NPN switch output, 200 mA, terminals, plastic housing, 36 x 72 x 87 mm.
Specifications
| Parameter | Value |
|---|---|
| Model | WL36-B23 |
| Parameter | Value |
|---|---|
| Type | Photoelectric Retro-Reflective Sensor |
| Parameter | Value |
|---|---|
| Supply voltage | 10 … 30 V DC |
| Parameter | Value |
|---|---|
| Connection type | Terminals |
| Parameter | Value |
|---|---|
| Material | Plastic |
| Parameter | Value |
|---|---|
| Switch Output | PNP/NPN |
| Parameter | Value |
|---|---|
| Condition | Used |
Product details
Frequently asked questions
Where can I buy WL36-B23 and how do I get a price?
The WL36-B23 is sourced and quoted to order against an RFQ through independent distribution. Submit an RFQ to confirm current availability and pricing.
What is WL36-B23's listed code (172) on this component line?
The code 172 is the SICK internal identifier for this specific variant within the WL36 product line.
What is WL36-B23's listed type?
The WL36-B23 is a Photoelectric Retro-Reflective Sensor.
Will WL36-B23 drop into a panel that was specified around WL36-B730 without rewiring?
No. The WL36-B23 uses a terminal connection, while the WL36-B730 uses a Q7 connector (7-pin DC). The mounting dimensions also differ: the WL36-B23 is 36 x 72 x 87 mm, whereas the WL36-B730 is 36 x 85 x 72 mm. Panel fit and wiring would need to be verified.
What compliance documentation does SICK provide for WL36-B23?
The evidence does not list specific compliance documentation (RoHS, REACH, UL, IEC) for this part. Contact SICK or your distributor for the latest declarations.