{"product_id":"atlas-copco-1091-0394-01-replacement-pressure-switch-rotary-screw-compressor","title":"ATLAS COPCO 1091-0394-01 REPLACEMENT PRESSURE SWITCH ROTARY SCREW COMPRESSOR","description":"\u003ch3 data-section-id=\"1wf2wvu\" data-start=\"0\" data-end=\"20\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4\" data-end=\"20\"\u003eDescription:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"22\" data-end=\"602\"\u003eThe Atlas Copco 1091-0394-01 \u003ca href=\"https:\/\/plgautomation.com\/collections\/switches-circuit-protection\"\u003epressure switch\u003c\/a\u003e is used in rotary screw air compressors to monitor and control system pressure by automatically starting and stopping the compressor at set pressure points. Commonly installed in Atlas Copco ZR and ZT series compressors, it ensures proper pressure regulation and protects the system from over-pressurization or inefficient operation. Maintenance teams and system integrators use this pressure switch for compressor control, system protection, and replacement of worn or failed pressure switches. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1einuet\" data-start=\"604\" data-end=\"625\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"608\" data-end=\"625\"\u003eApplications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"627\" data-end=\"983\"\u003eThe Atlas Copco 1091-0394-01 pressure switch is commonly used in industrial compressed air systems, rotary screw compressors, and pneumatic applications where automatic pressure control is required. It is widely deployed in manufacturing plants, workshops, and facilities relying on consistent compressed air supply for tools and processes.\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"989\" data-end=\"1018\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1j5ft35\" data-start=\"985\" data-end=\"1018\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"989\" data-end=\"1018\"\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1020\" data-end=\"1910\"\u003e• Manufacturer Part Number (MPN): 1091-0394-01\u003cbr data-start=\"1066\" data-end=\"1069\"\u003e• Product Type: Pressure Switch\u003cbr data-start=\"1100\" data-end=\"1103\"\u003e• Application: Rotary screw air compressors (Atlas Copco) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1198\" data-end=\"1201\"\u003e• Pressure Range: ~4–150 PSI \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1267\" data-end=\"1270\"\u003e• Differential Range: ~2–25 PSI \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1339\" data-end=\"1342\"\u003e• Maximum Pressure: Up to ~300–475 PSI (variant dependent) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1438\" data-end=\"1441\"\u003e• Connection: 1\/4\" NPT \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1501\" data-end=\"1504\"\u003e• Enclosure Type: NEMA 1 \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1566\" data-end=\"1569\"\u003e• Function: Cut-in \/ cut-out pressure control\u003cbr data-start=\"1614\" data-end=\"1617\"\u003e• Media Compatibility: Air, oil, water, gases (non-corrosive) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1716\" data-end=\"1719\"\u003e• Design Type: Industrial pressure control (similar to Allen-Bradley Bulletin 836 style) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1845\" data-end=\"1848\"\u003e• Application Environment: Industrial compressed air systems\u003c\/p\u003e\n\u003ch3 data-section-id=\"18ifuv0\" data-start=\"1912\" data-end=\"1940\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1916\" data-end=\"1940\"\u003eCommon Replacements:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1942\" data-end=\"2068\"\u003e• Atlas Copco 1091-0450-00\u003cbr data-start=\"1968\" data-end=\"1971\"\u003e• Atlas Copco 1089-9214-01\u003cbr data-start=\"1997\" data-end=\"2000\"\u003e• Atlas Copco 1089-0347-01 \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"New","offer_id":51659151245614,"sku":null,"price":448.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/1091-0394-01.jpg?v=1775484627","url":"https:\/\/plgautomation.com\/products\/atlas-copco-1091-0394-01-replacement-pressure-switch-rotary-screw-compressor","provider":"PLG Automation ","version":"1.0","type":"link"}