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SMCReed Switch Pneumatic Position Sensors

SMC D-A79WL Perpendicular Reed Auto Switch, IP67, 24 V DC, 2-Wire

The SMC D-A79WL is a perpendicular reed auto switch, a type of reed switch pneumatic position sensor. It operates on 24 V DC with a current range of 5 to 40 mA and features a 2-wire configuration. This IP67-rated…

SKU 3G-OTH-155388

Also listed as: DA79WL · D A79WL

Brand
SMC
Item
D-A79WL Perpendicular Reed Auto Switch, IP67, 24 V DC, 2-Wire
Part Number
D-A79WL
Category
Reed Switch Pneumatic Position Sensors
Available to Order
Also known as:D-A79WLSMC
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Technical Specifications

SMC
Manufacturer Part Number
D-A79WL
Type
Perpendicular Reed Auto Switch, IP67
DC
24 V
Wires
2

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

Product Description

The SMC D-A79WL is a perpendicular reed auto switch, a type of reed switch pneumatic position sensor. It operates on 24 V DC with a current range of 5 to 40 mA and features a 2-wire configuration. This IP67-rated switch is designed for use with pneumatic cylinders to detect piston position.

Frequently Asked Questions

What is the SMC D-A79WL perpendicular reed auto switch used for?

The SMC D-A79WL is a reed switch pneumatic position sensor used to detect piston position in pneumatic cylinders. It is commonly applied in industrial automation, packaging, and material handling systems where reliable cylinder end-of-stroke sensing is required.

What are the specifications of the SMC D-A79WL reed switch?

The SMC D-A79WL is a perpendicular reed auto switch rated IP67, operating at 24 V DC with a current range of 5 to 40 mA. It features a 2-wire configuration and is designed for pneumatic cylinder position sensing. The manufacturer part number is D-A79WL.

Where to buy the SMC D-A79WL reed switch worldwide?

3G Electric supplies the SMC D-A79WL perpendicular reed auto switch worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this IP67-rated 24 V DC reed switch to your facility, regardless of location.

How to install the SMC D-A79WL reed switch on a pneumatic cylinder?

Mount the SMC D-A79WL perpendicular reed switch onto the cylinder rail using the provided bracket, ensuring the sensing face aligns with the piston magnet. Connect the 2 wires to a 24 V DC control circuit, observing polarity. Test piston position detection before securing cables.

Used in

Common applications for SMC
Automotive assembly — SMC ZP3 flat vacuum pads for handling small components in pick-and-place robots
Semiconductor manufacturing — SMC ZM series vacuum generators with needle valves for precise wafer handling
Food packaging — SMC AW-D series filter regulators for clean compressed air in pneumatic actuators
General industrial automation — SMC AS2211F speed control valves for regulating cylinder speeds in conveyor systems
Vacuum conveying — SMC ZH series box-type vacuum generators for material transport in packaging lines
Machine tool coolant systems — SMC ZF series in-line filters to protect vacuum ejectors from debris
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SMC Products

3G Electric supplies SMC reed switch pneumatic position sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
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The SMC D-A79W is a perpendicular reed auto switch for pneumatic cylinder position sensing. It operates on 24 V DC with a 2-wire configuration and is rated IP67 for protection against dust and water ingress. Designed for rail mounting, it provides a signal to control systems in industrial automation
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Perpendicular reed auto switch for pneumatic cylinder position sensing. 2-wire rail-mounted design rated IP67. Operates on 100 V AC or 24 V DC with current range 5 to 20 mA. Used in industrial automation for end-of-stroke detection in material handling, packaging, and assembly lines
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Perpendicular reed auto switch with 2-wire configuration and IP67 rating. Operates at 48 V AC/DC or less with current ratings of 20 mA, 40 mA, or 50 mA. Used for non-contact position sensing of pneumatic cylinder pistons in industrial automation applications such as packaging, material handling, and assembly lines

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