{"product_id":"sdc-634rf-4-amp-power-supply-12-24-vdc-field-selectable","title":"634RF 4 Amp Power Supply, 12\/24 VDC Field Selectable","description":"\u003ch2\u003eSDC 634RF 4 Amp Power Supply, 12\/24 VDC Field Selectable, Field Select One 4 Amp Output, or Two 2 Amp Class 2 Outputs, Boxed 16\" W x 14\" H x 6-1\/2\" D\u003c\/h2\u003e\n\u003cp\u003eAccess control system power requirements are uniquely different from other systems. Unlike camera system power requirements, access control systems draw more current for locking hardware and during access control-related events. 75 – 85% of access control operating problems and technical support calls are due to power issues. Access control systems require steady and clean (filtered) low-voltage DC current with surge suppression to protect printed circuit boards and connected devices from damage due to dirty power (transients and voltage spikes).\u003c\/p\u003e\n\u003cp\u003eSDC power supplies have been developed specifically to help reduce power system issues and to support electric locks and access control requirements. Our hybrid design combines the efficiency of switching power supplies with the inductive load handling capability of linear power supplies in various 12\/24 VDC current output capabilities and enclosure sizes. Filtering and output voltage regulation provide protection and ensure the longevity of all system components.\u003c\/p\u003e\n\u003cp\u003eThe high performance, heavy-duty circuitry is ideal for inductive loads and multi-door applications. With the addition of SDC programmable controllers or relay modules, the user-friendly modular designs ensure versatility, interface capability and easy installation of virtually any electric locking devices, access controls and related fire \u0026amp; life safety equipment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRegulated and filtered linear DC power\u003c\/li\u003e\n\u003cli\u003eClass 2 output\u003c\/li\u003e\n\u003cli\u003eField selectable dual voltage\u003c\/li\u003e\n\u003cli\u003eFire\/emergency release input\u003c\/li\u003e\n\u003cli\u003eIsolated battery charging circuit\u003c\/li\u003e\n\u003cli\u003eLow battery disconnect\u003c\/li\u003e\n\u003cli\u003eInput and output surge protection\u003c\/li\u003e\n\u003cli\u003eVisual status indicator (LED)\u003c\/li\u003e\n\u003cli\u003eCabinet enclosures with pre-configured control module mounting holes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg class=\"alignnone size-full wp-image-247691\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0610\/8813\/7372\/files\/SDC-USA.jpg\" alt=\"SDC-USA\" width=\"200\" height=\"75\"\u003e\u003c\/p\u003e\n","brand":"SDC","offers":[{"title":"Default Title","offer_id":44890408550556,"sku":"634RF","price":540.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/8813\/7372\/files\/DS-634.jpg?v=1743754991","url":"https:\/\/www.trudoor.com\/products\/sdc-634rf-4-amp-power-supply-12-24-vdc-field-selectable","provider":"Trudoor","version":"1.0","type":"link"}