{"product_id":"woodward-8237-1246-protech-gii-overspeed-protection-system","title":"Woodward 8237-1246 ProTech-GII Overspeed Protection System","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eWoodward 8237-1246\u003c\/strong\u003e is a \u003cstrong\u003eProTech-GII overspeed protection system\u003c\/strong\u003e designed for steam, gas, and hydro turbines. It uses triple-modular-redundant (TMR) architecture with 2-out-of-3 voted relay logic to provide high-integrity overspeed and over-acceleration protection. The unit supports both high-voltage and low-voltage power ranges, offers fast trip response, and includes independent modules that can be replaced online without shutting down the turbine. The bulkhead-mount design and IP56 enclosure make it suitable for harsh industrial environments, including areas with corrosive gases.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003e\u003cstrong\u003eModel \/ Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8237-1246, ProTech-GII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBulkhead mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Architecture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTriple-Modular Redundant (TMR), 2-out-of-3 voted logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Input (HV\/LV)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90–264 Vac (47–63 Hz) or 100–150 Vdc, approx. 30 W per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrip Relay Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual redundant voted trip relays; optional three independent non-voted relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne alarm relay per module (three total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Input Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMPU or Proximity sensor (one per module, three total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.5 to 32,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~12 ms from overspeed detection to relay action\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4–20 mA speed output per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModbus (for monitoring and diagnostics)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.04 G²\/Hz, 1.04 Grms, 10–500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–20 °C to +60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–20 °C to +65 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W × H × D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 330 × 486 × 153 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.2 kg (under 27 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety Certification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSIL-3 (IEC 61508)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"WOODWARD","offers":[{"title":"Default Title","offer_id":51429833441591,"sku":"8237-1246","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/8343\/6343\/files\/8237-1246.jpg?v=1764897887","url":"https:\/\/www.controltech-supply.com\/hu\/products\/woodward-8237-1246-protech-gii-overspeed-protection-system","provider":"ControlTech Supply Limited","version":"1.0","type":"link"}