{"product_id":"abb-tu865-3bse078712r1-fci-module-termination-unit-mtu","title":"ABB TU865 3BSE078712R1 FCI Module Termination Unit (MTU)","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe ABB TU865 (Part Number: 3BSE078712R1) is a specialized Ethernet Fieldbus Communication Interface (FCI) Module Termination Unit (MTU) explicitly engineered for the \u003cstrong\u003eSystem 800xA Select I\/O\u003c\/strong\u003e platform. It serves as the primary infrastructure baseplate to mount single or redundant Ethernet Adapters and FCI modules, enabling high-integrity network bridging between downstream Select I\/O channel clusters and AC 800M controllers.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Type: Ethernet FCI Module Termination Unit (Select I\/O Architecture)\u003c\/li\u003e\n\u003cli\u003eModel Code: TU865\u003c\/li\u003e\n\u003cli\u003ePart Number: 3BSE078712R1\u003c\/li\u003e\n\u003cli\u003eManufacturer: ABB\u003c\/li\u003e\n\u003cli\u003eCommunication Protocol Support: Ethernet-based Fieldbus\u003c\/li\u003e\n\u003cli\u003eModule Slot Allocations:\n\u003cul\u003e\n\u003cli\u003e2 slots for Redundant CI845 FCI Communications Modules\u003c\/li\u003e\n\u003cli\u003e2 slots for Redundant TC810 \/ TC811 Ethernet Adapters\u003c\/li\u003e\n\u003cli\u003e1 dedicated slot for an HI880 High Integrity Module (for SIL3 safety applications)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eDownstream Routing Capacity: Interfaces with up to 12 Select I\/O Modular Termination Units (MTUs)\u003c\/li\u003e\n\u003cli\u003eMounting Layout: Vertical 35 mm DIN Rail Mounting\u003c\/li\u003e\n\u003cli\u003eIngress Protection Rating: IP20 (IEC 60529 Compliant)\u003c\/li\u003e\n\u003cli\u003eHazardous Location Ratings: ATEX Zone 2 (II 3G Ex nA\/eC IIC T4 Gc) \/ Class I, Div 2, Groups A, B, C, D T4\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Limits: -40°C to +70°C (-40°F to +158°F)\u003c\/li\u003e\n\u003cli\u003eCorrosive Environment Rating: Standard ISA-S71.04 Class G3 protection against harsh chemical gases\u003c\/li\u003e\n\u003cli\u003ePhysical Dimensions: 21.0 cm x 13.5 cm x 9.55 cm\u003c\/li\u003e\n\u003cli\u003eProduct Net Weight: 0.50 kg (including base)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIncluded Accessories (Factory Package)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTL814K01 Empty Slot Cover Plate:\u003c\/strong\u003e 1 piece included standard to seal and safeguard unpopulated positions from structural dust and physical touch hazards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSnap the TU865 MTU vertically onto standard 35 mm metallic DIN rails, ensuring locking tabs seat correctly.\u003c\/li\u003e\n\u003cli\u003eEnsure the rear ear clips anchor firmly onto paint-free areas of the grounding rail to secure continuous frame shielding.\u003c\/li\u003e\n\u003cli\u003eOnly connect dedicated Select I\/O sub-components to the onboard ModuleBus cluster extension ports; do not mix legacy S800 I\/O modules into this terminal footprint.\u003c\/li\u003e\n\u003cli\u003eKeep the included TL814K01 shield panel locked over any unpopulated adapter slots to maintain ambient airflow and safe IP20 boundaries.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53620848263352,"sku":"TU865","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/TU865_3BSE078712R1.png?v=1782208104","url":"https:\/\/www.globalpetroparts.com\/products\/abb-tu865-3bse078712r1-fci-module-termination-unit-mtu","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}