{"title":"Pressure Switches","description":"\u003cp\u003eRobust high and low pressure switches designed for reliable compressor protection, condenser fan control, and safety cut-out across commercial refrigeration and air conditioning plant. Built with heavy-duty SPDT contacts, weather-resistant enclosures, and precise micro-adjustment controls for dependable system monitoring. Available for immediate trade counter pickup in Harrow or fast nationwide UK delivery.\u003c\/p\u003e","products":[{"product_id":"yk-a-low-pressure-switch-auto-reset-1-4in-female-flare-off-0-3-mpa-on-0-45-mpa","title":"YK-A Low Pressure Switch Auto Reset 1\/4in Female Flare (OFF 0.3 MPa \/ ON 0.45 MPa)","description":"\u003cp\u003eThe YK-A Low Pressure Switch is a compact capsule pressure safety control engineered for air conditioning and commercial refrigeration systems. Designed with an automatic reset mechanism, this switch safeguards compressors against loss of charge or low suction pressure conditions by opening the electrical circuit at 0.3 MPa (3.0 bar \/ 43.5 psi) and automatically resetting when system pressure rises to 0.45 MPa (4.5 bar \/ 65.3 psi). Featuring a standard 1\/4in female flare brass connection with an internal valve depressor and pre-wired flying leads, it delivers direct-mount pressure protection for refrigeration engineers and OEMs.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable class=\"trade-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYK-A-0.3\/0.45-1\/4F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow Pressure Switch (Capsule Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReset Action\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuto Reset (Automatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCut-Out Pressure (OFF)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3 MPa (3.0 bar \/ ~43.5 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCut-In Pressure (ON)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.45 MPa (4.5 bar \/ ~65.3 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePressure Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4in Female Flare (SAE Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitting Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrass Coupling with Internal Valve Depressor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Lead Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePre-wired Insulated Flying Leads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Commercial Refrigerants and Synthetic\/Mineral Oils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":58620288729472,"sku":"CTR-GEN-YKA-03045","price":9.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6647\/5904\/files\/yk-low-pressure-switch-auto-reset-1-4in-female-flare.jpg?v=1785497815"},{"product_id":"yk-03l-low-pressure-switch-auto-reset-1-4in-female-flare-open-5-psi-close-20-psi","title":"YK-03L Low Pressure Switch Auto Reset 1\/4in Female Flare (Open 5 PSI \/ Close 20 PSI)","description":"\u003cp\u003eThe YK-03L Low Pressure Switch is a compact capsule safety control designed for direct mounting within air conditioning and commercial refrigeration systems. Engineered with an automatic reset mechanism, this switch protects compressors against loss of charge and low suction pressure by opening the electrical circuit at 5 ± 4 PSI (~0.34 bar) and automatically resetting when pressure rises back to 20 ± 7 PSI (~1.38 bar). Featuring a 1\/4in female flare brass connection with an internal valve depressor and pre-wired insulated leads, it provides reliable, factory-calibrated pressure safety for refrigeration engineers and OEMs.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable class=\"trade-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYK-03L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e018-005D020G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow Pressure Switch (Capsule Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReset Action\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuto Reset (Automatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCut-Out Pressure (OPEN)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 ± 4 PSI (~0.34 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCut-In Pressure (CLOSE)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 ± 7 PSI (~1.38 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250V AC, 6A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePressure Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4in Female Flare (SAE Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitting Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrass Coupling with Internal Valve Depressor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePre-wired Insulated Flying Leads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Commercial Refrigerants and Synthetic\/Mineral Oils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":58620289843584,"sku":"CTR-GEN-YK03L-0520","price":9.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6647\/5904\/files\/yk-low-pressure-switch-auto-reset-1-4in-female-flare.jpg?v=1785497815"},{"product_id":"yk-03h-high-pressure-switch-auto-reset-1-4in-female-flare-open-410-psi-close-310-psi","title":"YK-03H High Pressure Switch Auto Reset 1\/4in Female Flare (Open 410 PSI \/ Close 310 PSI)","description":"\u003cp\u003eThe YK-03H High Pressure Switch is a compact capsule safety control engineered for direct mounting in air conditioning and commercial refrigeration systems. Designed with an automatic reset mechanism, this switch safeguards compressors against excessive discharge pressure by opening the electrical circuit at 410 ± 15 PSI (~28.3 bar) and automatically resetting when head pressure drops to 310 ± 15 PSI (~21.4 bar). Featuring a 1\/4in female flare brass connection with an internal valve depressor and pre-wired insulated leads, it provides dependable, factory-calibrated high-pressure protection for refrigeration engineers and OEMs.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable class=\"trade-spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYK-03H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e018-410R310R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh Pressure Switch (Capsule Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReset Action\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuto Reset (Automatic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCut-Out Pressure (OPEN)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e410 ± 15 PSI (~28.3 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCut-In Pressure (CLOSE)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e310 ± 15 PSI (~21.4 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250V AC, 6A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePressure Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4in Female Flare (SAE Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitting Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrass Coupling with Internal Valve Depressor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePre-wired Insulated Flying Leads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Commercial Refrigerants and Synthetic\/Mineral Oils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":58620290564480,"sku":"CTR-GEN-YK03H-410310","price":9.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/6647\/5904\/files\/yk-high-pressure-switch-auto-reset-1-4in-female-flare.jpg?v=1785497817"}],"url":"https:\/\/rasonline.co.uk\/collections\/pressure-switches.oembed","provider":"Refrigeration \u0026 Air Conditioning Supplies Ltd","version":"1.0","type":"link"}