{"product_id":"united-electric-controls-h400-156-pressure-switch-0-100psi-125psi-480vac","title":"United Electric Controls H400-156 Pressure Switch 0-100Psi 125Psi 480Vac","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-6a43a35d-6f44-83ec-bb05-598fd82bfd75-16\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a43a35d-6f44-83ec-bb05-598fd82bfd75-16\" data-turn-id-container=\"request-6a43a35d-6f44-83ec-bb05-598fd82bfd75-16\" data-testid=\"conversation-turn-446\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"6a25cbff-1396-4fdb-9c84-9253ce541efe\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"838\"\u003eThe United Electric Controls H400-156 Pressure \u003ca href=\"https:\/\/plgautomation.com\/collections\/switches-circuit-protection\"\u003eSwitch\u003c\/a\u003e is used in industrial pressure monitoring and control systems to detect pressure changes and provide automatic switching for equipment protection and process control. Commonly installed in pumps, compressors, hydraulic systems, lubrication systems, gas handling equipment, and industrial process machinery requiring an adjustable pressure range of 0–100 PSI with a 480 VAC control circuit. Maintenance technicians, process engineers, and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this pressure switch for preventive maintenance, alarm functions, emergency shutdown, and replacement of OEM pressure control devices. The H400 Series is a rugged electromechanical pressure switch designed for dependable operation in demanding industrial environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"840\" data-end=\"857\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"858\" data-end=\"1329\"\u003eThe United Electric Controls H400-156 Pressure Switch is commonly used in pump protection systems, compressors, hydraulic power units, lubrication systems, chemical processing plants, water and wastewater facilities, power generation equipment, and OEM industrial machinery where reliable pressure monitoring and automatic switching are required. It is suitable for process control, pressure alarms, and safety shutdown applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1331\" data-end=\"1360\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1361\" data-end=\"2026\"\u003e• Brand: United Electric Controls (UE)\u003cbr data-start=\"1399\" data-end=\"1402\"\u003e• Model: H400-156\u003cbr data-start=\"1419\" data-end=\"1422\"\u003e• Product Type: Pressure Switch\u003cbr data-start=\"1453\" data-end=\"1456\"\u003e• Series: 400 Series\u003cbr data-start=\"1476\" data-end=\"1479\"\u003e• Adjustable Pressure Range: 0–100 PSI\u003cbr data-start=\"1517\" data-end=\"1520\"\u003e• Proof Pressure: 125 PSI\u003cbr data-start=\"1545\" data-end=\"1548\"\u003e• Switching Voltage: 480 VAC\u003cbr data-start=\"1576\" data-end=\"1579\"\u003e• Contact Rating: 15 A at 125\/250\/480 VAC\u003cbr data-start=\"1620\" data-end=\"1623\"\u003e• Contact Type: Single SPDT Snap-Action Microswitch\u003cbr data-start=\"1674\" data-end=\"1677\"\u003e• Deadband: 0.2–0.8 PSI\u003cbr data-start=\"1700\" data-end=\"1703\"\u003e• Setpoint Adjustment: Internal Adjustment with Reference Dial\u003cbr data-start=\"1765\" data-end=\"1768\"\u003e• Process Connection: 1\/4 in. FNPT Nickel-Plated Brass\u003cbr data-start=\"1822\" data-end=\"1825\"\u003e• Electrical Connection: 3\/4 in. FNPT with Dual Knockouts\u003cbr data-start=\"1882\" data-end=\"1885\"\u003e• Enclosure Rating: NEMA 4X\u003cbr data-start=\"1912\" data-end=\"1915\"\u003e• Application: Industrial Pressure Monitoring, Alarm, and Process Control \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2028\" data-end=\"2052\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2053\" data-end=\"2265\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• United Electric Controls H402-156 Pressure Switch\u003cbr data-start=\"2104\" data-end=\"2107\"\u003e• United Electric Controls H400-S156B Pressure Switch\u003cbr data-start=\"2160\" data-end=\"2163\"\u003e• United Electric Controls One Series Electronic Pressure Switch\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"UE","offers":[{"title":"New","offer_id":51714353398062,"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_f2887f22-d1c7-4c05-9ee5-81735743ec40.jpg?v=1770423830","url":"https:\/\/plgautomation.com\/products\/united-electric-controls-h400-156-pressure-switch-0-100psi-125psi-480vac","provider":"PLG Automation ","version":"1.0","type":"link"}