{"product_id":"abb-dsta-133-transistor-output-interface","title":"ABB DSTA 133 Transistor Output Interface","description":"\u003ch3\u003eQuick Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDSTA 133\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOutput Termination Unit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for ABB industrial automation systems. It functions as a hybrid interface module, providing both relay and transistor outputs to manage a wide variety of field loads. Engineered with a focus on device protection, the DSTA 133 features internal short-circuit and overload protection for transistor channels, while relay channels are optimized for external suppression of inductive parasitic signals.\u003c\/p\u003e\n\u003ch3\u003eTechnical Data\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDSTA 133\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOutput Termination Unit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHybrid (Relay and Transistor)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLeakage Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 mA (after connection)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInductive Load Threshold:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eL\/R \u0026gt; 40ms requires external freewheeling diode\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated CPU error status reporting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Feature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDisconnects 24V supply if 0V terminal is removed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHybrid Output Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOffers the mechanical isolation and high-current capacity of relay outputs alongside the high-speed, wear-free switching of transistor outputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInductive Signal Suppression:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRelay outputs are specifically designed to be externally protected from parasitic signals using AC rheostats, RC modules, or DC freewheeling diodes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Safety Circuitry:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures internal short-circuit and overload protection for transistor outputs to prevent localized faults from damaging the main CPU or surrounding modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntelligent Error Reporting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIn the event of a transistor malfunction or overload, the unit communicates directly with the controller to update the CPU status, facilitating rapid troubleshooting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Thermal Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports the integration of an external thermal fuse connected to a common power supply, acting as a secondary fail-safe for connected field devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFail-Safe Power Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes a critical warning mechanism: if the 0V terminal is disconnected, the unit automatically cuts the 24V DC supply to prevent unstable floating voltage conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44926995562611,"sku":"DSTA 133","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-06_15-40-46.png?v=1778054462","url":"https:\/\/www.dcssupplier.com\/products\/abb-dsta-133-transistor-output-interface","provider":"DcsSupplier Limited","version":"1.0","type":"link"}