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SMC Vacuum Switch: ZSM1, SPST-NO, -27 kPa Pressure - Max - Diaphragm Vacuum Switches for Sensitive-Control Applications
SMCDiaphragm Vacuum Switches for Sensitive-Control Applications

SMC Vacuum Switch: ZSM1, SPST-NO, -27 kPa Pressure - Max

The SMC ZSM1 is a diaphragm vacuum switch for sensitive-control applications, featuring a SPST-NO contact and a maximum pressure rating of -27 kPa. It is equipped with an R (PT) 1/8 pressure connection type and is…

SKU 3G-OTH-32168

Brand
SMC
Item
Vacuum Switch: ZSM1, SPST-NO, -27 kPa Pressure - Max
Category
Diaphragm Vacuum Switches for Sensitive-Control Applications
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Technical Specifications

SMC
Manufacturer Part Number
ZSM1-121L
Series
ZSM1
Features
Vacuum Switch, Diaphragm Style
Pressure Connection Type
R (PT) 1/8
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SMC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SMC ZSM1 is a diaphragm vacuum switch for sensitive-control applications, featuring a SPST-NO contact and a maximum pressure rating of -27 kPa. It is equipped with an R (PT) 1/8 pressure connection type and is identified by manufacturer part number ZSM1-121L.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SMC ZSM1 vacuum switch used for?

The SMC ZSM1 is a diaphragm vacuum switch designed for sensitive-control applications. It monitors vacuum levels and provides a SPST-NO electrical signal when the preset vacuum threshold is reached, commonly used in automated pneumatic systems and industrial process control.

What are the specifications of the SMC ZSM1-121L?

The SMC ZSM1-121L is a diaphragm vacuum switch with a SPST-NO contact, maximum pressure rating of -27 kPa, and an R (PT) 1/8 pressure connection. It is part of the ZSM1 series and manufactured by SMC. These specs ensure reliable vacuum sensing in sensitive-control circuits.

Where to buy the SMC ZSM1-121L vacuum switch worldwide?

3G Electric supplies the SMC ZSM1-121L vacuum switch worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this SMC diaphragm vacuum switch.

How to install the SMC ZSM1 vacuum switch?

Install the SMC ZSM1 vacuum switch by connecting the R (PT) 1/8 threaded port to the vacuum line using appropriate sealant. Wire the SPST-NO contacts according to your control circuit. Ensure the switch is oriented per SMC guidelines to avoid diaphragm damage. Test operation at the -27 kPa set point.

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 diaphragm vacuum switches for sensitive-control applications. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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