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SMCSolid State Switch Pneumatic Position Sensors

SMC Inline Solid NPN Direct: D-S791, Inline Solid State Auto Switch, NPN, IP67

The SMC D-S791 is an inline solid state auto switch, classified as a solid state switch pneumatic position sensor. It features an NPN output, a dielectric strength of 1500 V AC, and an IP67 rating, with a 3-wire…

SKU 3G-OTH-155195

Also listed as: DS791 · D S791

Brand
SMC
Item
Inline Solid NPN Direct: D-S791, Inline Solid State Auto Switch, NPN, IP67
Category
Solid State Switch Pneumatic Position Sensors
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Technical Specifications

SMC
Manufacturer Part Number
D-S791
Type
Inline Solid State Auto Switch, NPN, IP67
AC
1500 V
Wires
3

Technical Documents

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

Product Description

The SMC D-S791 is an inline solid state auto switch, classified as a solid state switch pneumatic position sensor. It features an NPN output, a dielectric strength of 1500 V AC, and an IP67 rating, with a 3-wire configuration.

Frequently Asked Questions

What is the SMC D-S791 inline solid state auto switch used for?

The SMC D-S791 is a solid state switch pneumatic position sensor used to detect cylinder piston position in industrial automation. It provides an NPN output signal to PLCs or controllers, with IP67 protection for harsh environments and 1500 V AC dielectric strength.

What are the specifications of the SMC D-S791?

The SMC D-S791 is an inline solid state auto switch with NPN output, 3-wire configuration, IP67 rating, and dielectric strength of 1500 V AC. It is designed for pneumatic cylinder position sensing in automation systems.

Where to buy the SMC D-S791 worldwide?

3G Electric supplies the SMC D-S791 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this solid state switch for your automation needs.

How to install the SMC D-S791 inline solid state switch?

Mount the SMC D-S791 securely on the cylinder, connect the 3 wires (brown to positive, blue to negative, black to NPN input), and verify the IP67 seal. Ensure the load voltage does not exceed 1500 V AC. Follow SMC's generic installation guidelines for solid state switches.

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 solid state 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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