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

Image not available
SMCReed Switch Pneumatic Position Sensors

SMC Perpendicular Reed 2 Wire Rail,24VDC: D-A73CN, REED, Normally Open, IP67

The SMC D-A73CN is a perpendicular reed switch pneumatic position sensor, part of the SMC brand. This normally open reed switch operates at 24V DC with a current range of 5 to 40 mA, features 2 wires, an LED…

SKU 3G-OTH-155430

Brand
SMC
Item
Perpendicular Reed 2 Wire Rail,24VDC: D-A73CN, REED, Normally Open, IP67
Category
Reed Switch Pneumatic Position Sensors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

SMC
Manufacturer Part Number
D-A73CN
Type
REED, Normally Open, IP67, LED
DC
24V
Wires
2
View Full Spec Sheet

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

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

Product Description

The SMC D-A73CN is a perpendicular reed switch pneumatic position sensor, part of the SMC brand. This normally open reed switch operates at 24V DC with a current range of 5 to 40 mA, features 2 wires, an LED indicator, and an IP67 rating.

Frequently Asked Questions

What is the SMC D-A73CN reed switch used for?

The SMC D-A73CN is a perpendicular reed switch pneumatic position sensor used to detect cylinder piston position in industrial automation. It provides a normally open signal at 24V DC with an LED indicator, suitable for pneumatic systems requiring reliable position feedback.

What are the specifications of the SMC D-A73CN?

The SMC D-A73CN is a reed switch with normally open contact, 24V DC operating voltage, 5 to 40 mA current range, 2 wires, IP67 rating, and an LED indicator. It is a perpendicular mount sensor designed for pneumatic cylinders.

Where to buy the SMC D-A73CN worldwide?

You can source the SMC D-A73CN through 3G Electric, a global industrial equipment distributor. We handle logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the SMC D-A73CN reed switch?

Mount the SMC D-A73CN perpendicular to the cylinder body using the provided bracket. Connect the 2 wires to a 24V DC control circuit, observing polarity for the LED. Ensure the switch is aligned with the piston magnet for reliable normally open operation.

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

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
SMC Perpendicular Reed 2 Wire Rail: D-A73CZ, Perpendicular Reed Auto Switch, IP67, 24 V DC, 2 Wires. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73CZ; attr947378: 5 to 40 mA; attr947379: 24 V DC.
SMC
SMC Perpendicular Reed 2 Wire Rail: D-A73CZ, Perpendicular Reed Auto Switch, IP67, 24 V DC, 2 Wires. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73CZ; attr947378: 5 to 40 mA; attr947379: 24 V DC.
SMC Perpendicular Reed 2 Wire Rail: D-A73CL, Perpendicular Reed Auto Switch, IP67, 24 V DC, 2 Wires. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73CL; attr947378: 5 to 40 mA; attr947379: 24 V DC.
SMC
SMC Perpendicular Reed 2 Wire Rail: D-A73CL, Perpendicular Reed Auto Switch, IP67, 24 V DC, 2 Wires. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73CL; attr947378: 5 to 40 mA; attr947379: 24 V DC.
SMC Perpendicular Reed 2 Wire Rail: D-A73C, Perpendicular Reed Auto Switch, IP67, 24 V DC, 2 Wires. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73C; attr947378: 5 to 40 mA; attr947379: 24 V DC.
SMC
SMC Perpendicular Reed 2 Wire Rail: D-A73C, Perpendicular Reed Auto Switch, IP67, 24 V DC, 2 Wires. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73C; attr947378: 5 to 40 mA; attr947379: 24 V DC.
SMC
SMC
SMC Perpendicular Reed 2 Wire Rail: D-A73Z, Perpendicular Reed Auto Switch, IP67, 100 V AC/24 V DC. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73Z; attr947378: 5 to 20 mA; 5 to 40 mA; attr947379: 24 V DC.
SMC Perpendicular Reed 2 Wire Rail: D-A73L, Perpendicular Reed Auto Switch, IP67, 100 V AC/24 V DC. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73L; attr947378: 5 to 20 mA; 5 to 40 mA; attr947379: 24 V DC.
SMC
SMC Perpendicular Reed 2 Wire Rail: D-A73L, Perpendicular Reed Auto Switch, IP67, 100 V AC/24 V DC. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73L; attr947378: 5 to 20 mA; 5 to 40 mA; attr947379: 24 V DC.
SMC Perpendicular Reed 2 Wire Rail: D-A73, Perpendicular Reed Auto Switch, IP67, 100 V AC/24 V DC. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73; attr947378: 5 to 20 mA; 5 to 40 mA; attr947379: 100 V AC.
SMC
SMC Perpendicular Reed 2 Wire Rail: D-A73, Perpendicular Reed Auto Switch, IP67, 100 V AC/24 V DC. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A73; attr947378: 5 to 20 mA; 5 to 40 mA; attr947379: 100 V AC.

More from SMC

View all SMC parts
SMC
SMC
SMC Perpendicular Reed 2 Wire Rail: D-A80L, Perpendicular Reed Auto Switch, IP67, 2 Wires. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A80L; attr947378: 20 mA; 40 mA; 50 mA; attr947379: 100 V AC/DC.
SMC
SMC
SMC Inline Reed Auto Switch: D-E73AL, Inline Reed Auto Switch, IP67, 100 V AC/24 V DC, 2 Wires, LED. Key specifications — attr947381: Inline Reed Auto Switch; attr947365: D-E73AL; attr947378: 5 to 20 mA; 5 to 40 mA; attr947379: 24 V DC.
SMC Inline Reed Auto Switch: D-Z73SAPC, Inline Reed Auto Switch, M8-3Pin, IP67, 100 V AC/24 V DC. Key specifications — attr947381: Inline Reed Auto Switch; attr947365: D-Z73SAPC; attr947378: 5 to 20 mA; 5 to 40 mA; attr947379: 100 V AC; attr1113844: M8-3Pin.
SMC
SMC Inline Reed Auto Switch: D-Z73SAPC, Inline Reed Auto Switch, M8-3Pin, IP67, 100 V AC/24 V DC. Key specifications — attr947381: Inline Reed Auto Switch; attr947365: D-Z73SAPC; attr947378: 5 to 20 mA; 5 to 40 mA; attr947379: 100 V AC; attr1113844: M8-3Pin.
SMC
SMC
SMC Inline Reed Auto Switch: D-Z76, Inline Reed Auto Switch, NPN, IP67, 4 to 8 V DC, 3 Wires, 20 mA. Key specifications — attr947381: Inline Reed Auto Switch; attr947365: D-Z76; attr947373: NPN; attr947378: 20 mA; attr947379: 4 to 8 V DC.
SMC
SMC
SMC Inline Reed Auto Switch: D-A54SDPC, Inline Reed Auto Switch, M12-4Pin, IP67, 0.5 m Lead Lg (ft). Key specifications — attr947381: Inline Reed Auto Switch; attr947365: D-A54SDPC; attr947378: 5 to 12.5 mA; 5 to 25 mA; 5 to 50 mA; attr947379: 24 V DC; attr1113844: M12-4Pin.
SMC Inline Reed Auto Switch: D-C76, Inline Reed Auto Switch, NPN, IP67, 4 to 8 V DC, 20 mA, LED. Key specifications — attr947381: Inline Reed Auto Switch; attr947365: D-C76; attr947373: NPN; attr947378: 20 mA; attr947379: 4 to 8 V DC.
SMC
SMC Inline Reed Auto Switch: D-C76, Inline Reed Auto Switch, NPN, IP67, 4 to 8 V DC, 20 mA, LED. Key specifications — attr947381: Inline Reed Auto Switch; attr947365: D-C76; attr947373: NPN; attr947378: 20 mA; attr947379: 4 to 8 V DC.
SMC Press Switch: IS10-N01-LP, Pressure Switch, IP40, 100 V/24 V or less/48 V, 3 m Lead Lg (ft). Key specifications — attr947381: Pressure Switch; attr947365: IS10-N01-LP; attr947378: 20 mA (100 V); 40 mA (48 V); 50 mA (24 V or less); attr947379: 100 V.
SMC
SMC Press Switch: IS10-N01-LP, Pressure Switch, IP40, 100 V/24 V or less/48 V, 3 m Lead Lg (ft). Key specifications — attr947381: Pressure Switch; attr947365: IS10-N01-LP; attr947378: 20 mA (100 V); 40 mA (48 V); 50 mA (24 V or less); attr947379: 100 V.
SMC Perpendicular Reed 2 Wire Rail: D-A72, Perpendicular Reed Auto Switch, IP67, 200 V AC, 2 Wires. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A72; attr947378: 5 to 10 mA; attr947379: 200 V AC.
SMC
SMC Perpendicular Reed 2 Wire Rail: D-A72, Perpendicular Reed Auto Switch, IP67, 200 V AC, 2 Wires. Key specifications — attr947381: Perpendicular Reed Auto Switch; attr947365: D-A72; attr947378: 5 to 10 mA; attr947379: 200 V AC.