{"product_id":"circuitron-800-5202-dt-2-grade-crossing-detector-full-logic","title":"800-5202 DT-2 Grade Crossing Detector Full Logic","description":"\u003ch2\u003eDT-2 Grade Crossing Detector Full Logic\u003c\/h2\u003e\n\u003ch3\u003eDetails:\u003c\/h3\u003e\n\u003cp\u003eThe Circuitron DT-2 is a premium-grade train detection system engineered to deliver the most realistic grade crossing operation possible on DC-powered model railways. Designed for serious modellers who demand prototype accuracy, the DT-2 accurately replicates real-world crossing behaviour regardless of train length, providing dependable activation for everything from a single locomotive to a 100-car freight train.\u003c\/p\u003e\n\u003cp\u003eUnlike conventional optical detection systems, the DT-2 incorporates sophisticated onboard memory circuitry that continuously tracks train movements through the protected area. Once an approaching train is detected, the crossing remains activated until the final vehicle has completely cleared the crossing, creating highly realistic operation without requiring sensors to remain covered throughout the train's passage.\u003c\/p\u003e\n\u003cp\u003eThe system also recognises more complex operating scenarios. If a train approaches a crossing, stops before reaching it and then reverses away, the DT-2 automatically detects the movement and deactivates the crossing protection, closely mirroring prototype railway signalling behaviour. This advanced logic provides a level of operational realism that is difficult to achieve with basic detection systems.\u003c\/p\u003e\n\u003cp\u003eSupplied with four Opto-Sensors for a standard installation, the DT-2 offers fully bi-directional operation and can be powered from either AC or DC supplies. Its switched ground output is compatible with a wide range of crossing flashers, warning signals and automated accessories, making it an ideal choice for advanced model railway signalling systems.\u003c\/p\u003e\n\u003cp\u003eThis is Circuitron's most advanced DC grade crossing detector and is particularly well suited to layouts where realistic operation is a priority. Its ability to handle trains of any length, including single locomotives, eliminates the compromises often associated with simpler optical detection systems.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides realistic grade crossing operation independent of train length\u003c\/li\u003e\n\u003cli\u003eIntelligent memory circuitry keeps crossings active until the last car clears\u003c\/li\u003e\n\u003cli\u003eDetects reversing trains and automatically cancels crossing activation when appropriate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch3\u003eAdditional Information:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDetection Method: Optical (Opto-Sensors)\u003c\/li\u003e\n\u003cli\u003eNumber of Sensors Included: 4\u003c\/li\u003e\n\u003cli\u003eDirection Detection: Fully bi-directional\u003c\/li\u003e\n\u003cli\u003eTrain Length Dependency: None\u003c\/li\u003e\n\u003cli\u003eMemory Function: Integrated train-tracking logic\u003c\/li\u003e\n\u003cli\u003ePower Requirement: 10V – 18V AC or DC\u003c\/li\u003e\n\u003cli\u003eOutput Type: Switched ground\/common (-)\u003c\/li\u003e\n\u003cli\u003eMaximum Output Current: 250mA\u003c\/li\u003e\n\u003cli\u003eRolling Stock Modification Required: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch3\u003eMeasurements:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 76.2 mm\u003c\/li\u003e\n\u003cli\u003eWidth: 76.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuitron","offers":[{"title":"Default Title","offer_id":58557042229632,"sku":"CTN-800-5202","price":44.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0225\/2858\/9896\/files\/ctn800-5202.jpg?v=1785227841","url":"https:\/\/railsofsheffield.com\/products\/circuitron-800-5202-dt-2-grade-crossing-detector-full-logic","provider":"Rails of Sheffield","version":"1.0","type":"link"}