{"product_id":"yokogawa-sta4d-00-dual-redundant-terminal-block","title":"Yokogawa STA4D-00 Dual-Redundant Terminal Block","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa STA4D-00\u003c\/strong\u003e serves as the primary \u003cstrong\u003eSTA4D\u003c\/strong\u003e Pressure Clamp Terminal Block utilized to execute field signal termination across ProSafe-RS control 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\u003eSTA4D-00\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\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e65.6 mm x 72 mm x 52.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive Terminal Interface Load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eDual-Redundant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e16 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eM4 Screw Terminal \/ Pressure Clamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e500 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003eMinimum 100 Mohm (500 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Protection\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Surge Absorber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRedundant Channel Isolation \u0026amp; Surge Mitigation\u003c\/h3\u003e\n\u003cp\u003eThe terminal assembly routes 16 discrete signal paths through a dual-redundant circuit architecture designed for high-availability process automation. Dedicated channel-to-channel isolation prevents electrical cross-talk across redundant loop pathways, while the integrated surge absorber limits line-to-ground voltage spikes to maintain signal integrity during power disturbances.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the electrical isolation and dielectric limits of the Yokogawa STA4D-00?\u003c\/p\u003e\n\u003cp\u003eA: The terminal block features a withstand voltage rating of 500 VAC and maintains a minimum insulation resistance of 100 Mohm measured at 500 VDC between terminal circuits and ground.\u003c\/p\u003e\n\u003cp\u003eQ: What field conductor fastening mechanism is utilized on the STA4D-00 base?\u003c\/p\u003e\n\u003cp\u003eA: Field connections are secured using robust M4 screw terminals combined with pressure clamp mechanisms to ensure stable wire clamping under ambient vibration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify that all field loop power sources are isolated before attaching conductors to the M4 screw terminals.\u003c\/li\u003e\n\u003cli\u003eStrip wire insulation to standard lengths and torque M4 terminal screws to recommended industrial limits to prevent terminal strip damage.\u003c\/li\u003e\n\u003cli\u003eEnsure the terminal block assembly is grounded to the cabinet chassis to enable the internal surge absorber path to function correctly.\u003c\/li\u003e\n\u003cli\u003eMaintain physical separation between 24 VDC signal wiring and high-voltage power conduits to limit induced noise.\u003c\/li\u003e\n\u003cli\u003eConnect cable shielding to the designated cabinet earth ground at a single termination point.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52596837024024,"sku":"STA4D-00","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/SDV144-S53_3_9fc93246-3f78-4809-ab6a-532812ea5c16.jpg?v=1788247373","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-sta4d-00-dual-redundant-terminal-block","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}