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SMC ZSM1-T121 Diaphragm Vacuum Switch, SPST-NO, -27 kPa, NPTF 1/8 - Diaphragm Vacuum Switches for Sensitive-Control Applications
SMCDiaphragm Vacuum Switches for Sensitive-Control Applications

SMC ZSM1-T121 Diaphragm Vacuum Switch, SPST-NO, -27 kPa, NPTF 1/8

The SMC ZSM1-T121 is a diaphragm-style vacuum switch from the ZSM1 series, featuring a SPST-NO contact and a maximum pressure rating of -27 kPa. It is equipped with an NPTF 1/8 pressure connection, designed for…

SKU 3G-OTH-32250

Also listed as: ZSM1T121 · ZSM1 T121

Brand
SMC
Item
ZSM1-T121 Diaphragm Vacuum Switch, SPST-NO, -27 kPa, NPTF 1/8
Category
Diaphragm Vacuum Switches for Sensitive-Control Applications
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SMC
Manufacturer Part Number
ZSM1-T121
Series
ZSM1
Features
Vacuum Switch, Diaphragm Style
Pressure Connection Type
NPTF 1/8

Technical Documents

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

Product Description

The SMC ZSM1-T121 is a diaphragm-style vacuum switch from the ZSM1 series, featuring a SPST-NO contact and a maximum pressure rating of -27 kPa. It is equipped with an NPTF 1/8 pressure connection, designed for sensitive-control applications requiring precise vacuum monitoring.

Frequently Asked Questions

What is the SMC ZSM1-T121 vacuum switch used for?

The SMC ZSM1-T121 is a diaphragm-style vacuum switch designed for sensitive-control applications that require precise vacuum monitoring. It is commonly used in industrial automation, packaging, and material handling systems to detect vacuum levels and trigger control actions via its SPST-NO contact.

What are the specifications of the SMC ZSM1-T121?

The SMC ZSM1-T121 is a diaphragm vacuum switch from the ZSM1 series. It features a SPST-NO contact, a maximum pressure rating of -27 kPa, and an NPTF 1/8 pressure connection. It is designed for sensitive-control applications requiring accurate vacuum monitoring.

Where to buy the SMC ZSM1-T121 vacuum switch worldwide?

3G Electric supplies the SMC ZSM1-T121 vacuum switch worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this diaphragm-style vacuum switch for sensitive-control applications.

How to install the SMC ZSM1-T121 vacuum switch?

Install the SMC ZSM1-T121 by connecting the NPTF 1/8 pressure port to your vacuum line using compatible fittings. Ensure the switch is mounted in a clean, dry location away from vibration. Wire the SPST-NO contacts according to your control circuit, and verify the set point with a vacuum gauge before 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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Compact vacuum pressure switch from the ZSE2 series with a 1/8 in port size. Monitors vacuum levels from -101 kPa to 0 kPa and provides a single NPN open collector output. Operates on 12 to 24V DC and includes a 4-pin snap-in plug for electrical connection. Used in industrial automation for vacuum monitoring in pick-and-place, packaging, and material handling systems
SMC
Compact vacuum pressure switch from the ZSE2 series with a 1/8 in port size. Monitors vacuum levels from -101 kPa to 0 kPa and provides a single NPN open collector output. Operates on 12 to 24V DC and includes a 4-pin snap-in plug for electrical connection. Used in industrial automation for vacuum monitoring in pick-and-place, packaging, and material handling systems
Compact vacuum pressure switch with a pressure range of -101 kPa to 0 kPa. Operates on 12 to 24V DC supply and features 1 NPN open collector output. Includes a 4-pin snap-in plug for electrical connection. Used for monitoring and controlling vacuum levels in pneumatic systems
SMC
Compact vacuum pressure switch with a pressure range of -101 kPa to 0 kPa. Operates on 12 to 24V DC supply and features 1 NPN open collector output. Includes a 4-pin snap-in plug for electrical connection. Used for monitoring and controlling vacuum levels in pneumatic systems
The SMC ZSE1-T1-55 is a compact vacuum pressure switch with a pressure range of -101 kPa to 0 kPa. It features a 1 PNP output open collector and operates on 12 to 24V DC power. This switch is used in pneumatic systems for monitoring and controlling vacuum levels in applications such as packaging and material handling
SMC
The SMC ZSE1-T1-55 is a compact vacuum pressure switch with a pressure range of -101 kPa to 0 kPa. It features a 1 PNP output open collector and operates on 12 to 24V DC power. This switch is used in pneumatic systems for monitoring and controlling vacuum levels in applications such as packaging and material handling
The SMC ZSE2-T1-15 is a compact vacuum pressure switch with a pressure range of -101 kPa to 0 kPa. It features a 1 NPN open collector output and operates on 12 to 24V DC. This switch is used for monitoring and controlling vacuum levels in pneumatic systems, such as in automation and material handling applications
SMC
The SMC ZSE2-T1-15 is a compact vacuum pressure switch with a pressure range of -101 kPa to 0 kPa. It features a 1 NPN open collector output and operates on 12 to 24V DC. This switch is used for monitoring and controlling vacuum levels in pneumatic systems, such as in automation and material handling applications
Compact vacuum pressure switch from the ZSE1 series, with a 1/8 in port size and 4-pin snap-in plug connection. Operates on 12 to 24V DC power, featuring a PNP open collector output. Measures vacuum pressure from -101 kPa to 0 kPa, suitable for monitoring and controlling vacuum levels in pneumatic circuits and automation systems
SMC
Compact vacuum pressure switch from the ZSE1 series, with a 1/8 in port size and 4-pin snap-in plug connection. Operates on 12 to 24V DC power, featuring a PNP open collector output. Measures vacuum pressure from -101 kPa to 0 kPa, suitable for monitoring and controlling vacuum levels in pneumatic circuits and automation systems
Compact vacuum pressure switch from the ZSE1 series with a 1/8 in port size. Operates on 12 to 24V DC and provides a single PNP open collector output. Designed for vacuum pressure sensing from -101 kPa to 0 kPa, suitable for monitoring and controlling vacuum levels in industrial automation systems
SMC
Compact vacuum pressure switch from the ZSE1 series with a 1/8 in port size. Operates on 12 to 24V DC and provides a single PNP open collector output. Designed for vacuum pressure sensing from -101 kPa to 0 kPa, suitable for monitoring and controlling vacuum levels in industrial automation systems

More from SMC

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Diaphragm vacuum switch for sensitive-control applications. Monitors vacuum levels and provides a SPST-NO electrical signal when preset threshold is reached. Maximum pressure rating of -27 kPa with R (PT) 1/8 pressure connection. Suitable for automated pneumatic systems and industrial process control
SMC
Diaphragm vacuum switch for sensitive-control applications. Monitors vacuum levels and provides a SPST-NO electrical signal when preset threshold is reached. Maximum pressure rating of -27 kPa with R (PT) 1/8 pressure connection. Suitable for automated pneumatic systems and industrial process control