The 3RG40 23-0AF01: M18 cylindrical inductive sensor, PNP normally closed output with 8 mm sensing range. Draws up to 200 mA from a 15…34 V DC circuit. Nickel-plated brass housing, cable exit. Siemens does not list a direct replacement for this EOL-hot sensor.

Siemens 3RG40 23-0AF01 Inductive Sensor, M18 PNP NC
MPN3RG40 23-0AF01
End of Life
Siemens 3RG40 23-0AF01 inductive sensor, cylindrical M18, PNP normally closed, 8 mm sensing range, 200 mA, 15…34 V DC, cable connection, nickel-plated brass housing.
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Type | Inductive Sensor |
Output
| Parameter | Value |
|---|---|
| Switching output | Normally closed |
Mechanical
| Parameter | Value |
|---|---|
| Housing material | Nickel-plated brass |
Other specifications
| Parameter | Value |
|---|---|
| Model | 3RG40 23-0AF01 |
| Weight | 0,12 kg |
| Housing | Cylindrical |
| Condition | New |
| Shelf no. | 230205 |
| Dimensions | M18 Diameter |
| Sensing distance | 8 mm |
| Connector type | Cable |
| Current rating | 200 mA |
| Electrical design | PNP |
| Operating voltage | 15… 34 V DC |
Product details
MPN
3RG40 23-0AF01