{"product_id":"elmdene-by-potter-power-supply-unit-tr4","title":"Elmdene by Potter TR4 power supply unit, Enclosure","description":"\u003cp\u003e\u003cstrong\u003eElmdene by Potter TR4 is a power supply unit.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe enhanced Elmdene TR range of power supplies has been specifically designed for access control applications that require remote control of the power supply output. A typical example being where a TR power supply unit is used to power magnetic door retainers; utilising a signal from the fire panel in order to switch off the output to the doors in the event of a fire alarm activation. The units now have an expanded range of input options which includes the detection of a normally closed contact going open and also removal of a 24V dc signal to provide a fully fail safe operation mode (BS 7273 Compliant).\u003c\/p\u003e\n\u003cp\u003eThe three control input options for remote control of the output are as follows: • Removal of an external 24V dc supply (BS 7273 Compliant) • Opening of a normally closed volt-free contact • Closing of a normally open volt-free contact LED status indicators provide quick diagnostics showing the presence of a mains input and output fuse failure.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures a green LED to indicate mains present\u003c\/li\u003e\n\u003cli\u003eFeatures amber LED to indicate a fault\u003c\/li\u003e\n\u003cli\u003eRemote control of output\u003c\/li\u003e\n\u003cli\u003eChoice of control options\u003c\/li\u003e\n\u003cli\u003eMains transient protection\u003c\/li\u003e\n\u003cli\u003eFail safe operation\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Elmdene","offers":[{"title":"Default Title","offer_id":57581883326837,"sku":"TR4","price":87.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0050\/1216\/0612\/files\/TR4.jpg?v=1789612752","url":"https:\/\/wmestore.co.uk\/products\/elmdene-by-potter-power-supply-unit-tr4","provider":"WME","version":"1.0","type":"link"}