{"product_id":"united-electric-controls-h122-s146b-pressure-switch-120-series","title":"United Electric Controls H122-S146B Pressure Switch 120 Series","description":"\u003ch3\u003eDescription:\u003c\/h3\u003e\n\u003cp\u003eThe United Electric Controls H122-S146B Pressure \u003ca href=\"https:\/\/plgautomation.com\/collections\/switches-circuit-protection\"\u003eSwitch\u003c\/a\u003e is used in industrial process control, oil and gas, chemical processing, HVAC, and equipment protection systems to monitor pressure and provide reliable switching for alarms, shutdowns, and control functions. Commonly installed on pumps, compressors, turbines, process vessels, and pneumatic systems requiring precise pressure-actuated control. Maintenance teams and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this part for repair, retrofit, expansion, or replacement of existing pressure monitoring systems. The H122-S146B is part of the hazardous-location-rated 120 Series and features dual SPDT outputs with an externally adjustable setpoint dial. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eApplications:\u003c\/h3\u003e\n\u003cp\u003eThe United Electric Controls H122-S146B Pressure Switch is commonly used in rotating equipment protection, compressor control systems, pump monitoring, process automation, oil and gas production facilities, chemical plants, and industrial utility systems. Its rugged NEMA 4X enclosure and welded stainless-steel sensing element make it suitable for harsh industrial environments where dependable pressure monitoring is critical for safety and operational reliability. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp\u003e• Brand: United Electric Controls\u003cbr\u003e• Part Number: H122-S146B\u003cbr\u003e• Series: 120 Series\u003cbr\u003e• Product Type: Pressure Switch\u003cbr\u003e• Switch Type: Electromechanical Pressure Switch\u003cbr\u003e• Adjustable Pressure Range: 0 to 30 PSI\u003cbr\u003e• Output Contacts: Dual SPDT Switches\u003cbr\u003e• Contact Rating: 15A @ 125\/250\/480 VAC\u003cbr\u003e• Setpoint Adjustment: External Adjustment with Reference Dial\u003cbr\u003e• Pressure Connection: 1\/2 in. FNPT Stainless Steel\u003cbr\u003e• Electrical Connection: 3\/4 in. FNPT\u003cbr\u003e• Sensing Element: Welded 316L Stainless Steel Bellows\u003cbr\u003e• Enclosure Type: NEMA 4X, Explosion-Proof Housing\u003cbr\u003e• Housing Material: Epoxy-Coated Die-Cast Aluminum\u003cbr\u003e• Application: Industrial Pressure Monitoring and Control\u003cbr\u003e• Suitable for Hazardous Locations\u003cbr\u003e• Designed for Alarm, Shutdown, and Equipment Protection Systems\u003cbr\u003e• Engineered for Continuous-Duty Industrial Service \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp\u003e• United Electric Controls H122-S156B Pressure Switch\u003cbr\u003e• United Electric Controls H122-S164B Pressure Switch\u003cbr\u003e• United Electric Controls H400-S146B Pressure Switch\u003c\/p\u003e","brand":"United","offers":[{"title":"New","offer_id":51728606921006,"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_58c20261-b925-44b4-af65-c5e6d9baee37.jpg?v=1770587025","url":"https:\/\/plgautomation.com\/products\/united-electric-controls-h122-s146b-pressure-switch-120-series","provider":"PLG Automation ","version":"1.0","type":"link"}