{"product_id":"circuitron-800-5502-bd-2-block-occupancy-detector","title":"Circuitron 800-5502 BD-2 Block Occupancy Detector","description":"Detects current drawn by a locomotive or lighted piece of rolling stock. Unpowered equipment can be detected by using metal wheelsets with resistors connected across the insulator.  Circuit boards are designed for easy daisy-chain wiring of multiple blocks and will snap into a section of Printed Circuit Mounting Track. Works in any scale and with most track power, systems including most forms of carrier control. Bi-directional- will directly drive 2-color lamp LED-type block signals.\u003cbr\u003eRed and green outputs will drive LEDs or lamps.\u003cbr\u003eRequires 10-18V DC.\u003cbr\u003e250 ma. output (500 ma. for BD-2HD)\u003cbr\u003e3 amp capacity.","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":42129992548434,"sku":"CIR-800-5502","price":27.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0581\/3410\/2098\/files\/CIR-800-5502-2__43709.jpg?v=1756147513","url":"https:\/\/modeltrainstuff.com\/products\/circuitron-800-5502-bd-2-block-occupancy-detector","provider":"Model Train Stuff","version":"1.0","type":"link"}