{"product_id":"dcs-system-fuse-component-yokogawa-s9528vk","title":"DCS System Fuse Component | Yokogawa S9528VK","description":"\u003ch2\u003eYokogawa S9528VK DCS System Fuse\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa S9528VK\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eS9528VK\u003c\/strong\u003e Industrial Fuse, operates as a dedicated hardware component for overcurrent protection and circuit isolation within Yokogawa DCS System 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\u003eS9528VK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\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\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e100 mm x 100 mm x 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive protection device (negligible power loss)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003eUp to 600 VAC\/VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmperage Rating\u003c\/td\u003e\n\u003ctd\u003e100 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Material\u003c\/td\u003e\n\u003ctd\u003eBrass contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eSpade contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Level\u003c\/td\u003e\n\u003ctd\u003eClass 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003eThrough-hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa S9528VK inline fuse protects sensitive DCS field I\/O processing cards and 4-20 mA HART loop power supplies against destructive current surges. During overcurrent fault conditions, the fuse link clears rapidly to isolate upstream control buses, maintaining channel-to-channel isolation across adjacent analog signal paths. This fast arc-suppression response prevents energy transients from propagating through power distribution rails to central processor units, ensuring system integrity across process instrumentation loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the S9528VK fuse be replaced while the target DCS module remains energized under load?\u003c\/p\u003e\n\u003cp\u003eA: No, field engineers must isolate upstream loop power before removing or replacing the fuse element to prevent electrical arcing and downstream hardware faults.\u003c\/p\u003e\n\u003cp\u003eQ: What physical indicators confirm that the fuse contact element has cleared?\u003c\/p\u003e\n\u003cp\u003eA: Technicians must measure continuity across the brass spade contacts using a standard digital multimeter, as internal element interruption does not alter external housing dimensions.\u003c\/p\u003e\n\u003cp\u003eQ: Does the S9528VK impact digital signal modulation on 4-20 mA HART analog loops?\u003c\/p\u003e\n\u003cp\u003eA: No, the low internal resistance profile maintains pure signal integrity without adding loop impedance or distorting high-frequency HART communication bursts.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eEngineers must follow standard industrial overcurrent protection and wiring procedures during installation:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize the host DCS power supply module or field circuit before accessing the fuse holder.\u003c\/li\u003e\n\u003cli\u003eVerify that the replacement fuse model designation aligns strictly with the S9528VK specifications.\u003c\/li\u003e\n\u003cli\u003eAlign the brass spade contacts with the terminal block receivers and push firmly until fully seated in the through-hole receptacle.\u003c\/li\u003e\n\u003cli\u003eRestore field loop power and verify loop continuity and channel status via the system diagnostic software.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43901464608858,"sku":"S9528VK","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/71._c951023a-68d0-4859-a930-9347ec29e43d.jpg?v=1787622930","url":"https:\/\/www.spareoil.com\/products\/dcs-system-fuse-component-yokogawa-s9528vk","provider":"SpareOil Automation","version":"1.0","type":"link"}