{"product_id":"tu843-3bse021443r1-abb-module-termination-unit","title":"TU843 3BSE021443R1 | ABB Module Termination Unit","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe ABB TU843 (Part Number: 3BSE021443R1) is a Redundant Module Termination Unit (MTU) designed for the S800 I\/O platform. It functions as a vertical-mounting electrical baseplate engineered to host redundant I\/O modules, routing signals and power distribution safely across parallel configurations while maintaining physical network segregation.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Type: Module Termination Unit (MTU) for Redundant Configuration\u003c\/li\u003e\n\u003cli\u003eModel Code: TU843\u003c\/li\u003e\n\u003cli\u003ePart Number: 3BSE021443R1\u003c\/li\u003e\n\u003cli\u003eManufacturer: ABB\u003c\/li\u003e\n\u003cli\u003eSystem Family Compatibility: S800 I\/O \/ AC 800M Controller Platforms\u003c\/li\u003e\n\u003cli\u003eMounting Orientation: Vertical DIN Rail Mounting\u003c\/li\u003e\n\u003cli\u003eMaximum Rated Voltage: 50 V\u003c\/li\u003e\n\u003cli\u003eRedundancy Support: Yes (Designed for dual, redundant hardware pairings)\u003c\/li\u003e\n\u003cli\u003eIngress Protection Rating: IP20\u003c\/li\u003e\n\u003cli\u003eProduct Net Dimensions: 18.65 cm x 12.4 cm x 6.4 cm\u003c\/li\u003e\n\u003cli\u003eProduct Net Weight: 0.66 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSnap the TU843 MTU vertically onto standard control enclosure DIN rails.\u003c\/li\u003e\n\u003cli\u003eEnsure the grounding spring on the back of the MTU makes clean, paint-free mechanical contact with the DIN rail to maintain reliable noise shielding.\u003c\/li\u003e\n\u003cli\u003eVerify that the mechanical key positions match the specific redundant module types scheduled for insertion.\u003c\/li\u003e\n\u003cli\u003eRoute field and power wires cleanly into the dedicated termination blocks, ensuring all connections are tightened to specification to prevent loose-wire faults.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53620758511800,"sku":"TU843","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/TU843r270.png?v=1782208095","url":"https:\/\/www.globalpetroparts.com\/products\/tu843-3bse021443r1-abb-module-termination-unit","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}