Telemecanique Sensors
Telemecanique Sensors XS618B1MAU20 inductive proximity sensor 18 mm
An 18 mm shielded inductive proximity sensor detecting metal up to 8 mm with a 24 to 240 V AC/DC supply, 2-wire NO output and a 3-pin 1/2-20 UNF connector, rated IP67 and IP69K for harsh environments
- 8 mm sensing distance with shielded 18 mm barrel
- 24–240 V AC/DC supply works on two power types
- 25 Hz AC / 1000 Hz DC switching speed
- IP67 and IP69K ratings resist water and high-pressure washdown
- 13 °F to 158 °F operating range handles harsh environments
Industrial inductive sensor
The Telemecanique Sensors XS618B1MAU20 is an 18 mm cylindrical inductive proximity sensor built for machine-shop and automation environments. It targets engineers and maintenance teams who need reliable non-contact metal detection on conveyors, presses or assembly cells. The shielded barrel allows flush mounting in metal brackets without false triggers. Output is a normally open two-wire circuit that switches loads directly.
Sustained-load behaviour
Rated for 24 to 240 V AC/DC, the sensor maintains a 25 Hz switching rate on AC and 1000 Hz on DC across the full -13 to 158 °F operating range. Nickel-plated brass housing and IP67/IP69K sealing resist coolant, high-pressure washdown and vibration without drift. NEMA 4X rating confirms corrosion protection for continuous indoor or outdoor duty cycles.
Installation and common issues
A 41 mm body with 1/2-20 UNF three-pin male connector fits standard quick-disconnect cables, reducing wiring time. The 8 mm maximum detecting distance requires the target to stay within that window; mounting beyond it causes missed detections. Two-wire operation demands a minimum load current to hold the circuit closed, so verify the connected PLC input or relay coil meets that threshold.
Highlights
- 8 mm sensing distance with shielded 18 mm barrel
- 24–240 V AC/DC supply works on two power types
- 25 Hz AC / 1000 Hz DC switching speed
- IP67 and IP69K ratings resist water and high-pressure washdown
- 13 °F to 158 °F operating range handles harsh environments
Specifications
| Brand | TELEMECANIQUE SENSORS |
|---|
Questions about this item
How much heat does the XS618B1MAU20 generate when running continuously at 240V AC?
The sensor operates from -13 °F to 158 °F and draws minimal current through its 2-wire output, so self-heating stays low inside the nickel-plated brass housing.
What power supply and connector do I need to wire this 18 mm inductive sensor?
Provide 24 to 240 V AC or DC and a mating 3-pin 1/2-20 UNF female connector for the male plug on the 41 mm body.
Will the shielded 8 mm sensing face work reliably next to older metal brackets on a 25 Hz AC line?
Yes, the shielded design allows flush mounting in metal, and the 25 Hz AC switching rate is compatible with legacy relay logic.
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