{"product_id":"liebert-fp4022-fan-safety-switch","title":"Liebert FP4022 Fan Safety Switch","description":"\u003ch3\u003eDescription:\u003c\/h3\u003e\n\u003cp\u003eThe Tri-Delta Liebert FP4022 Fan Safety \u003ca href=\"https:\/\/plgautomation.com\/collections\/switches-circuit-protection\"\u003eSwitch\u003c\/a\u003e is used in HVAC and cooling systems for monitoring fan operation and providing safety control based on airflow or pressure conditions. Commonly installed in Liebert precision cooling units, air handlers, and commercial HVAC equipment requiring reliable fan status monitoring. HVAC technicians and maintenance teams use this switch for equipment repairs, preventative maintenance, replacement of failed safety switches, and restoring proper fan protection operation.\u003c\/p\u003e\n\u003ch3\u003eApplications:\u003c\/h3\u003e\n\u003cp\u003eThe Tri-Delta Liebert FP4022 Fan Safety Switch is commonly used in commercial and industrial HVAC systems to verify fan operation and protect equipment from airflow-related issues. The switch supports 120–277 VAC operation at 60Hz with a 15 amp rating and is designed for use in Liebert cooling and air handling applications.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp\u003e• Manufacturer: Tri-Delta \/ Liebert\u003cbr\u003e• Model \/ Part number: FP4022\u003cbr\u003e• Product type: Fan safety switch \/ pressure switch\u003cbr\u003e• Voltage rating: 120–277 VAC\u003cbr\u003e• Current rating: 15 A\u003cbr\u003e• Frequency: 60 Hz\u003cbr\u003e• Contact configuration: 1 NO \/ 1 NC contacts\u003cbr\u003e• Set point: Approximately 0.17 ± 0.05 in. W.C.\u003cbr\u003e• Function: Monitors airflow or fan pressure condition for HVAC safety control\u003cbr\u003e• Application: Liebert cooling systems, air handlers, HVAC equipment, and ventilation systems\u003cbr\u003e• Connection type: Spade terminals\u003cbr\u003e• Installation: HVAC equipment panel or air handling assembly mounting\u003cbr\u003e• Use: Fan monitoring, safety interlock, and equipment protection\u003cbr\u003e• Operating environment: Commercial and industrial HVAC applications\u003c\/p\u003e\n\u003ch3\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp\u003e• Tri-Delta Liebert FP4022 Fan Safety Switch\u003cbr\u003e• Liebert \u003ca href=\"https:\/\/plgautomation.com\/products\/tridelta-liebert-fp4022-fan-safety-switch-15-amp-277-volt-60hz?_pos=1\u0026amp;_sid=35e2f346b\u0026amp;_ss=r\"\u003eFP4022 \u003c\/a\u003eHVAC Pressure Switch\u003cbr\u003e• Compatible 120–277VAC Fan Safety Switch\u003c\/p\u003e","brand":"Tridelta","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51714203910446,"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_fc98aaf5-c370-42aa-abdf-9fbcbf87ce4c.jpg?v=1770419187","url":"https:\/\/plgautomation.com\/products\/liebert-fp4022-fan-safety-switch","provider":"PLG Automation ","version":"1.0","type":"link"}