Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

LINEAR Vehicle Exit Sensor: For Use With Vehicles, 8V to 32V AC/8V to 26V DC - Vehicle Exit Sensors for Gate Operators
LINEARVehicle Exit Sensors for Gate Operators

LINEAR Vehicle Exit Sensor: For Use With Vehicles, 8V to 32V AC/8V to 26V DC

The LINEAR Vehicle Exit Sensor (MPN FM139) is an electromagnetic sensor designed for use with vehicles in gate operator applications. It operates on 8V to 32V AC or 8V to 26V DC power and includes 50 ft of cable. The…

SKU 3G-OTH-420895

Also listed as: FM 139 · FM-139

Brand
LINEAR
Item
Vehicle Exit Sensor: For Use With Vehicles, 8V to 32V AC/8V to 26V DC
Category
Vehicle Exit Sensors for Gate Operators
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LINEAR
Manufacturer Part Number
FM139
Type
8V to 32V AC/8V to 26V DC
Overall Ht
1 3/4 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LINEAR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LINEAR Vehicle Exit Sensor (MPN FM139) is an electromagnetic sensor designed for use with vehicles in gate operator applications. It operates on 8V to 32V AC or 8V to 26V DC power and includes 50 ft of cable. The sensor measures 1 3/4 inches in overall height and comes in a black finish.

Frequently Asked Questions

What is the LINEAR Vehicle Exit Sensor used for?

The LINEAR Vehicle Exit Sensor (MPN FM139) is used in gate operator systems to detect vehicles exiting a property. It triggers the gate to open automatically when a vehicle approaches from the exit side, improving traffic flow and convenience for commercial and residential applications.

What are the specifications of the LINEAR FM139 Vehicle Exit Sensor?

The LINEAR FM139 is an electromagnetic sensor operating on 8V to 32V AC or 8V to 26V DC power. It includes 50 ft of cable, has an overall height of 1 3/4 inches, and comes in a black finish. It is designed for use with vehicles in gate operator systems.

Where to buy the LINEAR Vehicle Exit Sensor worldwide?

You can source the LINEAR Vehicle Exit Sensor (FM139) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this sensor.

How to install the LINEAR Vehicle Exit Sensor?

Install the LINEAR FM139 sensor by mounting it in the vehicle exit path, typically embedded in the pavement or attached to a gate frame. Connect the 50 ft cable to the gate operator control board per the wiring diagram. Ensure power supply matches 8V to 32V AC or 8V to 26V DC. Test alignment for reliable detection.

Used in

Common applications for LINEAR
Industrial perimeter security — LINEAR PRO-SW4000XLS swing-gate operator for controlled vehicle access at factory entrances.
Commercial building entry — LINEAR DXS-54 motion sensor for automatic door activation in office lobbies.
Residential gate automation — LINEAR PRO-SW3000XLS single swing operator for private driveway gates.
Remote site access control — LINEAR PRO-SW4200XLS dual swing operator with solar power for off-grid installations.
Vehicle detection at exit lanes — LINEAR FM139 electromagnetic sensor for triggering gate opening in parking lots.
Security system integration — LINEAR NAPRDW01 window and door detector for intrusion alarm systems in warehouses.

LINEAR Products

3G Electric supplies LINEAR vehicle exit sensors for gate operators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
LINEAR Universal Receiver: For Use With Garage Door Openers, 8V to 24V AC/DC, Black, Black (MPN RB709U-NB)
LINEAR
LINEAR Universal Receiver: For Use With Garage Door Openers, 8V to 24V AC/DC, Black, Black (MPN RB709U-NB)
MIGHTY MULE Vehicle Exit Sensor: For Use With Vehicles, 1 3/4 in Overall Ht, Black, Black (MPN FM138)
MIGHTY MULE
MIGHTY MULE Vehicle Exit Sensor: For Use With Vehicles, 1 3/4 in Overall Ht, Black, Black (MPN FM138)
MIGHTY MULE Vehicle Exit Sensor: For Use With Vehicles, 1 3/4 in Overall Ht, Black, Black (MPN FM130)
MIGHTY MULE
MIGHTY MULE Vehicle Exit Sensor: For Use With Vehicles, 1 3/4 in Overall Ht, Black, Black (MPN FM130)
LINEAR Photo Beams: For Use With Gate Operators, 12V to 24V DC, Black, Photo Eye, Black (MPN R4222)
LINEAR
LINEAR Photo Beams: For Use With Gate Operators, 12V to 24V DC, Black, Photo Eye, Black (MPN R4222)
LINEAR Automatic Gate Lock: For Use With 8 ft or Longer Gates/Locations with High Winds, Black, Lock (MPN FM144)
LINEAR
LINEAR Automatic Gate Lock: For Use With 8 ft or Longer Gates/Locations with High Winds, Black, Lock (MPN FM144)
LINEAR Two Button Transmitter: For Use With Garage Door Openers/Gate Operators, Gray, Gray (MPN RB742)
LINEAR
LINEAR Two Button Transmitter: For Use With Garage Door Openers/Gate Operators, Gray, Gray (MPN RB742)

More from LINEAR

View all LINEAR parts
LINEAR Vehicle Exit Sensor: For Use With Vehicles, 1 3/4 in Overall Ht, Black, Vehicle Exit Sensor (MPN FM140)
LINEAR
LINEAR Vehicle Exit Sensor: For Use With Vehicles, 1 3/4 in Overall Ht, Black, Vehicle Exit Sensor (MPN FM140)