SMC ZSM1-121L Diaphragm Vacuum Switch, SPST-NO, -27 kPa, R (PT) 1/8
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
Also listed as: ZSM1121L · ZSM1 121L
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
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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.
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 SMCSMC 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.