{"product_id":"yuken-sk1119-a-d48-20-hydraulic-pressure-switch","title":"YUKEN SK1119-A-D48-20 Hydraulic Pressure Switch","description":"\u003cp\u003eThe \u003cstrong\u003eYuken SK1119-A-D48-20\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSK1119-A-D48-20\u003c\/strong\u003e Hydraulic Pressure Switch, serves as the primary \u003cstrong\u003eSK1119\u003c\/strong\u003e pressure monitoring component utilized to execute localized discrete signal routing across high-pressure hydraulic manifold platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSK1119-A-D48-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYuken Hydraulics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard compact metal block allocation metrics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eSlim-profile space-saving subplate or inline mounting structure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eCalibrated for standard industrial fluid windows (-15 to 60 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePure mechanical\/electrical contact execution; zero auxiliary logic power required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch Type\u003c\/td\u003e\n\u003ctd\u003ePiston or diaphragm actuated micro-switch mechanism\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\/Coil Rating\u003c\/td\u003e\n\u003ctd\u003eD48 = 48 VDC specification tier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Application\u003c\/td\u003e\n\u003ctd\u003ePressure monitoring and control in hydraulic systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eDurable metal housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Drive and Fluid Integration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eV\/Hz and Field-Oriented Vector Control:\u003c\/strong\u003e This discrete pressure switch operates parallel to variable displacement hydraulic pump stations governed by V\/Hz and field-oriented vector control drives. While the AC drive dynamically matches pump speed to system load, the SK1119-A-D48-20 acts as an independent hardware interlock to flag peak overpressure states directly from the fluid tier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarmonic Distortion Suppression:\u003c\/strong\u003e The internal mechanical micro-switch contacts process clean DC or AC control voltages. Because it lacks sensitive onboard semiconductor chips, the hardware maintains absolute immunity to high-frequency electromagnetic interference, eliminating the need for specialized harmonic distortion suppression filters on its local terminal lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Heat Sink Dissipation Profiles:\u003c\/strong\u003e The durable metal housing uses the continuous fluid volume flowing through the valve block or manifold as a primary temperature stabilizer. The mechanical frame relies on subplate metal-to-metal contact to form structural thermal heat sink dissipation profiles, keeping internal micro-switch spring components within stable operating boundaries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What specific electrical contact behavior manifests if the hydraulic line pressure rises beyond the calibrated setpoint?\u003c\/p\u003e\n\u003cp\u003eA: The internal fluid force overcomes the preset mechanical spring tension, moving an internal piston to actuate the micro-switch. This action instantly changes the contact states, shifting the normally closed (NC) contacts to open and the normally open (NO) contacts to closed to break or complete the control circuit.\u003c\/p\u003e\n\u003cp\u003eQ: Can the pressure setting adjustment bolt be unlocked or altered while the hydraulic system is operating at full pressure?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the external hex adjusting screw and locking nut are mechanically isolated from the high-pressure fluid path by internal dynamic seals. Technicians can adjust the spring tension under active line pressure while tracking a calibrated master pressure gauge to set the exact trip point.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":45136078864499,"sku":"SK1119-A-D48-20","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-26_16-17-46_2c91f1cc-312e-46e5-b306-6904397dae5a.png?v=1782466465","url":"https:\/\/www.dcssupplier.com\/ar\/products\/yuken-sk1119-a-d48-20-hydraulic-pressure-switch","provider":"DcsSupplier Limited","version":"1.0","type":"link"}