{"product_id":"world-magnetics-psf-102-pressure-switch","title":"World Magnetics PSF 102 Pressure Switch","description":"\u003cdiv\u003e\u003cp\u003eThe World Magnetics PSF 102 is a compact SPST (Normally Open) pressure switch built for precise low-pressure sensing in HVAC, pneumatic control, and industrial airflow systems. This sensing device provides switching for pressure, vacuum, and differential pressure with a range from 0.03 in H2O to 25 psi, configurable by port type and diaphragm options, uses gold contact points for reliable operation, and employs a polyurethane diaphragm (with optional Teflon) housed in polycarbonate, with spade terminals or optional PCB terminals. Operating specs include AC\/DC 30 V maximum resistive load, up to 40 mA resistive current, a mechanical life greater than 20 million cycles, and port configurations that include smooth, barbed, NPT, and flow-through arrangements, plus a temperature range of +40°F to +150°F. Commonly installed in HVAC airflow systems, industrial ventilation, clean rooms, dust collection and air filtration setups, or pneumatic automation where accurate low-pressure detection is critical, the PSF 102 supports maintenance and automation workflows such as airflow proving, filter monitoring, replacement maintenance, and automated pressure control.\u003c\/p\u003e\u003c\/div\u003e","brand":"WORLD","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51733574418734,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_6399ff0e-b3c2-4396-868a-7e0d72ee57c9.jpg?v=1770603011","url":"https:\/\/plgautomation.com\/products\/world-magnetics-psf-102-pressure-switch","provider":"PLG Automation ","version":"1.0","type":"link"}