{"product_id":"abb-tu891-3bsc840157r1-compact-terminal-unit","title":"ABB TU891 | 3BSC840157R1 | Compact Terminal Unit","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTU891\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e3BSC840157R1\u003c\/strong\u003e) is a high-density, compact Module Termination Unit (MTU) engineered for efficient signal management within ABB S800 I\/O systems. Designed for horizontal installation, this 8-channel unit serves as a robust foundation for field wiring, combining a space-saving footprint with reliable electrical connectivity for demanding industrial control environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications and Performance Data\u003c\/h3\u003e\n\u003cp\u003eThis unit is designed for precision and reliability in cabinet space management, offering detailed mechanical and electrical parameters for integration.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTU891\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3BSC840157R1\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8 channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Current Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2A per I\/O channel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible I\/O Modules:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAI890, AI893, AI895, AO890, AO895, DI890, DO890\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnection Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTerminal block with 27 gray terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDielectric Test Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e500 V a.c.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProcess Connector Wiring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSolid 0.2–4 mm²; Stranded 0.2–2.5 mm² (24–12 AWG)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProcess Connector Torque:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.5–0.6 Nm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply Connector Wiring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.25–2.5 mm² (24–14 AWG)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply Torque:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.5–0.6 Nm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUp to 55°C (131°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSingle I\/O configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Dimensions and Weight\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTU891\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e3BSC840157R1\u003c\/strong\u003e) is designed to fit compactly within standard enclosures, minimizing the physical footprint of the control assembly.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e64 mm (1.77 in.) including connector; 58.5 mm (2.3 in.) edge-to-edge installed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDepth:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e58 mm (2.28 in.); 106 mm (4.2 in.) including terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e194 mm (7.6 in.) including latch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.17 kg (0.37 lbs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46631881146558,"sku":"TU891 3BSC840157R1","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/QQ20260416-164832_0a6b8dd4-780a-4970-9ff8-722440f2afb5.png?v=1776330052","url":"https:\/\/www.autooiltech.com\/products\/abb-tu891-3bsc840157r1-compact-terminal-unit","provider":"AutoOilTech Limited","version":"1.0","type":"link"}