{"product_id":"von-duprin-ps904-power-supply","title":"Von Duprin PS904 Base Power Supply — 4A 12\/24 VDC Field Selectable","description":"\u003cp\u003ePS904 is the 4-amp base power supply in the PS900 series. Field-selectable 12 or 24 VDC output, universal 120-240 VAC primary input. Configurable with battery backup, fire alarm relay, and distribution boards (2RS, 4R, 4RL, 8F) for multi-door access control systems.\u003c\/p\u003e\u003ch3\u003eConfigurations Available\u003c\/h3\u003e\u003cp\u003eUse the Configuration dropdown above to select your specific model. All variants share the same enclosure and core power circuit; differences are in the distribution board, fire alarm relay, and battery backup options.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFiltered and regulated DC power, Class 2 compliant\u003c\/li\u003e\n\u003cli\u003eField-selectable 12 or 24 VDC output (jumper)\u003c\/li\u003e\n\u003cli\u003eUniversal 120-240 VAC fused primary input\u003c\/li\u003e\n\u003cli\u003eSingle polarized option board connector\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Von Duprin","offers":[{"title":"PS904 — Base power supply only","offer_id":47378985091221,"sku":"PS904","price":387.6,"currency_code":"USD","in_stock":false},{"title":"PS904-2RS — 2 Relay Board","offer_id":47378985123989,"sku":"PS904-2RS","price":956.0,"currency_code":"USD","in_stock":true},{"title":"PS904-2RS-KIT — 2 Relay Board + Kit","offer_id":47378985156757,"sku":"PS904-2RS-KIT","price":527.73,"currency_code":"USD","in_stock":false},{"title":"PS904-4R — 4 Relay (Independently Controlled)","offer_id":47378985189525,"sku":"PS904-4R","price":525.83,"currency_code":"USD","in_stock":false},{"title":"PS904-4R-FA-BB — 4 Relay (Independently Controlled) + Fire Alarm Relay + Battery Backup","offer_id":47378985222293,"sku":"PS904-4R-FA-BB","price":676.88,"currency_code":"USD","in_stock":false},{"title":"PS904-4R-FA-BBK — 4 Relay (Independently Controlled) + Fire Alarm Relay + Battery Backup Kit","offer_id":47378985255061,"sku":"PS904-4R-FA-BBK","price":774.73,"currency_code":"USD","in_stock":false},{"title":"PS904-8F — 8 Fuse Protected Outputs","offer_id":47378985287829,"sku":"PS904-8F","price":438.43,"currency_code":"USD","in_stock":false},{"title":"PS904-8F-BB — 8 Fuse Protected Outputs + Battery Backup","offer_id":47378985320597,"sku":"PS904-8F-BB","price":538.65,"currency_code":"USD","in_stock":false},{"title":"PS904-8F-BBK — 8 Fuse Protected Outputs + Battery Backup Kit","offer_id":47378985353365,"sku":"PS904-8F-BBK","price":636.5,"currency_code":"USD","in_stock":false},{"title":"PS904-8F-FA-BB — 8 Fuse Protected Outputs + Fire Alarm Relay + Battery Backup","offer_id":47378985386133,"sku":"PS904-8F-FA-BB","price":589.48,"currency_code":"USD","in_stock":false},{"title":"PS904-8F-FA-BBK — 8 Fuse Protected Outputs + Fire Alarm Relay + Battery Backup Kit","offer_id":47378985418901,"sku":"PS904-8F-FA-BBK","price":688.28,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1237\/5445\/files\/von-duprin-ps904-kit_56bf3cc5-e802-4793-9eba-0c82b171aab1.png?v=1779545234","url":"https:\/\/prohardwaredirect.com\/products\/von-duprin-ps904-power-supply","provider":"Pro Hardware Direct","version":"1.0","type":"link"}