SMC Perpendicular Reed 2 Wire Rail: D-A73, Perpendicular Reed Auto Switch, IP67
The SMC D-A73 is a perpendicular reed auto switch, a type of pneumatic position sensor. It operates with a current range of 5 to 20 mA and a voltage rating of 100 V AC. This 2-wire rail-mounted switch is designed for…
SKU 3G-OTH-155348
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Product Description
The SMC D-A73 is a perpendicular reed auto switch, a type of pneumatic position sensor. It operates with a current range of 5 to 20 mA and a voltage rating of 100 V AC. This 2-wire rail-mounted switch is designed for use with SMC actuators.
Frequently Asked Questions
What is the SMC D-A73 perpendicular reed auto switch used for?
The SMC D-A73 is a pneumatic position sensor that detects the position of a piston inside an SMC actuator. It is commonly used in industrial automation for end-of-stroke sensing, part detection, and sequence control in machinery across manufacturing, packaging, and material handling applications.
What are the specifications of the SMC D-A73 reed switch?
The SMC D-A73 is a perpendicular reed auto switch with IP67 protection. It operates at 100 V AC or 24 V DC, with a current range of 5 to 20 mA. This 2-wire rail-mounted switch is designed for use with SMC actuators and provides reliable position sensing in automated systems.
Where to buy the SMC D-A73 reed switch worldwide?
3G Electric supplies the SMC D-A73 perpendicular reed auto switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine SMC components and support procurement for automation, pneumatic, and control system needs.
How to install the SMC D-A73 reed switch on an actuator?
Mount the SMC D-A73 perpendicular reed switch onto the actuator rail using the provided hardware, ensuring proper alignment with the piston magnet. Connect the 2-wire leads to a 100 V AC or 24 V DC control circuit, observing polarity. Test actuation to confirm switching at the desired piston position.
Used in
Common applications for SMCSMC 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.









