{"product_id":"abb-rea-101-arc-protection-system","title":"ABB REA 101 Arc Protection System","description":"\u003ch3\u003eIntroduction\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eThe \u003cstrong\u003eREA 101\u003c\/strong\u003e_ \u003cstrong\u003earc protection system\u003c\/strong\u003e is designed to provide fast trip commands to all circuit breakers (CB) that may feed an arc fault in low voltage or medium voltage air-insulated metal-clad switchgears.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIn case of an arc, the fault location can be quickly identified by checking the cover area of the sensor that detected the arc.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo sensor types are available:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePatented long fiber sensor that detects light along its entire length.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLight-collecting lens-type sensors, typically distributed one per compartment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eFast, adjustable three-phase, or two-phase and neutral overcurrent condition to ensure tripping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWide area automatic or manual backlight compensation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLoop-type or radial sensor fiber, or lens-type sensors for arc detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo high-speed solid-state (insulated gate bipolar transistor) outputs for tripping circuit breakers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOne heavy-duty relay output for circuit breaker failure protection (CBFP) of an upstream breaker or as an alarm output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo RJ-45 type ports for connecting extension units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo opto-connectors for signal transfer between central units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContinuous self-supervision of sensor fiber loop, operating voltages, and cabling between central and extension units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUse of the REA 101 Relay\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eThe central unit REA 101 can operate:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eIndependently.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWith other REA 101 central units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWith REA 103, REA 105, and REA 107 extension units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003eREA 101 is equipped with two extension ports.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA maximum of five extension units can be daisy-chained to each port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple REA 101 units can be interconnected via optolinks or through REA 105 units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUsing REA 103, REA 105, and REA 107 provides selectivity and extends the protection area further.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eREA 105 is equipped with fast trip outputs capable of opening a bus coupler.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eREA 107 includes inputs for eight lens-type sensors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":51026182537527,"sku":"REA 101","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/8343\/6343\/files\/REA101.jpg?v=1756698658","url":"https:\/\/www.controltech-supply.com\/ru\/products\/abb-rea-101-arc-protection-system","provider":"ControlTech Supply Limited","version":"1.0","type":"link"}