{"product_id":"yokogawa-stb4s-10-terminal-block","title":"Yokogawa STB4S-10 Terminal Block","description":"\u003ch2\u003eYokogawa STB4S-10 Terminal Block\u003c\/h2\u003e\n\u003cp\u003eConfigured for secure field signal wiring in ProSafe-RS safety systems, the \u003cstrong\u003eYokogawa STB4S-10\u003c\/strong\u003e (\u003cstrong\u003eSTB4S-10\u003c\/strong\u003e Pressure Clamp Terminal Block) provides direct physical\/electrical execution. The assembly establishes a vibration-resistant physical interface between field instrumentation cables and digital I\/O modules. It conducts discrete signal paths without introducing contact resistance or signal degradation across terminal connection points.\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\u003eSTB4S-10\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\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa I\/O terminal footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive (0 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003ePressure clamp terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003eDirect rack \/ module mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eYokogawa ProSafe-RS Safety Instrumented System\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 and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa STB4S-10 terminal connector features high-dielectric insulation barriers between adjacent pressure clamp terminals to maintain channel-to-channel isolation. This structural decoupling prevents electrical crosstalk and ground potential interference across multi-channel digital and analog safety loops. The terminal block trace layout supports pass-through for 4-20 mA HART loop protocol signals, preserving dynamic HART digital modulation overlays while maintaining electrical isolation between 24 VDC field wiring and sensitive safety I\/O logic.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What termination mechanism is utilized on the Yokogawa STB4S-10 module?\u003c\/p\u003e\n\u003cp\u003eA: The module utilizes screwless pressure clamp terminals that maintain continuous mechanical tension on stripped conductor leads.\u003c\/p\u003e\n\u003cp\u003eQ: What operating temperature range is supported by the STB4S-10 terminal assembly?\u003c\/p\u003e\n\u003cp\u003eA: The component is rated for industrial field operation from -20 to +70 deg C.\u003c\/p\u003e\n\u003cp\u003eQ: Can the STB4S-10 terminal block be removed from an active I\/O card while field circuits are energized?\u003c\/p\u003e\n\u003cp\u003eA: The block supports physical disconnection from the I\/O module, but field power should be isolated prior to removal to prevent inductive arc discharge.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInspect all pressure clamp terminal cages for foreign debris before inserting field conductors.\u003c\/li\u003e\n\u003cli\u003eStrip field wire insulation to 8 mm, exposing clean conductor copper without nicking or twisting individual strands.\u003c\/li\u003e\n\u003cli\u003eDepress the terminal release lever with a flat-blade screwdriver, insert the stripped wire fully into the cage clamp, and release the lever.\u003c\/li\u003e\n\u003cli\u003eSecure the STB4S-10 assembly onto the designated I\/O module rack slot using the integrated faceplate retaining screws.\u003c\/li\u003e\n\u003cli\u003eRoute incoming multi-core field cables through cabinet wire ducts, ensuring cable shields are grounded at the enclosure earth bus bar.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48708473979070,"sku":"STB4S-10","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/SEC401-11S1_1.jpg?v=1786612510","url":"https:\/\/www.autooiltech.com\/products\/yokogawa-stb4s-10-terminal-block","provider":"AutoOilTech Limited","version":"1.0","type":"link"}