{"product_id":"circuitron-bd-2-current-sensing-detection-unit","title":"Circuitron BD-2 Current Sensing Detection Unit","description":"\u003cp\u003eDetects 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. Will directly drive 2-color lamp r LED-type block signals. 250 ma. output (500 ma. for BD-2HD). Circuit boards are designed for easy daisy-chain wiring of multiple blocks and will snap into a section of Printed Circuit Mounting Track. Requires 10-18V DC. Works in any scale and with most track power, systems including most forms of carrier control.\u003cbr\u003e \u003cbr\u003e3 amp capacity.\u003cbr\u003e \u003c\/p\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":51698410684729,"sku":"800-5502","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/8781\/9833\/files\/800-5502.jpg?v=1768521142","url":"https:\/\/hiawathahobbies.com\/products\/circuitron-bd-2-current-sensing-detection-unit","provider":"Hiawatha Hobbies LLC","version":"1.0","type":"link"}