{"product_id":"thorn-grinnell-oxa-504sda-autocall-signal-driver-amplifier-976216","title":"THORN GRINNELL OXA-504SDA AUTOCALL SIGNAL DRIVER AMPLIFIER 976216","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"733\"\u003eThe Thorn Grinnell OXA-504SDA Autocall Signal Driver Amplifier (P\/N 976216) is used in addressable fire alarm control systems to activate and supervise notification appliance circuits for audible and visual alarm devices. Commonly installed in Autocall TFX-500 and TFX-800 fire alarm systems controlling horns, strobes, bells, and other notification appliances in commercial buildings, industrial facilities, hospitals, schools, and institutional life safety installations. Fire alarm technicians and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this signal driver module for new system installations, preventive maintenance, system expansion, and replacement of failed notification control modules. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"735\" data-end=\"752\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"754\" data-end=\"1356\"\u003eThe Thorn Grinnell OXA-504SDA signal driver amplifier provides supervised notification appliance circuit control by receiving commands from compatible Autocall fire alarm control panels and activating external alarm devices from a separate 24 VDC regulated power supply. It is widely used in commercial and industrial fire detection systems requiring supervised Style Y or Style Z notification appliance circuits for horns, strobes, speakers, and relay bases while continuously monitoring for open circuits, short circuits, relay faults, and power supply failures. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1358\" data-end=\"1387\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1389\" data-end=\"2300\"\u003e• Brand: Thorn Grinnell \/ Autocall\u003cbr data-start=\"1423\" data-end=\"1426\"\u003e• Model: OXA-504SDA\u003cbr data-start=\"1445\" data-end=\"1448\"\u003e• Part Number: 976216\u003cbr data-start=\"1469\" data-end=\"1472\"\u003e• PCB Number: 940574\u003cbr data-start=\"1492\" data-end=\"1495\"\u003e• Product Type: Addressable Signal Driver Amplifier Module\u003cbr data-start=\"1553\" data-end=\"1556\"\u003e• Function: Notification Appliance Circuit Signal Driver\u003cbr data-start=\"1612\" data-end=\"1615\"\u003e• Compatible Systems: Autocall TFX-500 and TFX-800 Fire Alarm Control Panels\u003cbr data-start=\"1691\" data-end=\"1694\"\u003e• Addressable Loop Voltage: 28 VDC (Polarity Sensitive)\u003cbr data-start=\"1749\" data-end=\"1752\"\u003e• Input Voltage: 24 VDC Nominal\u003cbr data-start=\"1783\" data-end=\"1786\"\u003e• Standby Current: 10 mA (Power Supply)\u003cbr data-start=\"1825\" data-end=\"1828\"\u003e• Alarm Current: 150 mA (Power Supply)\u003cbr data-start=\"1866\" data-end=\"1869\"\u003e• Addressable Supervisory Current: 0.35 mA\u003cbr data-start=\"1911\" data-end=\"1914\"\u003e• Maximum Output Rating: 2.5 ARMS\u003cbr data-start=\"1947\" data-end=\"1950\"\u003e• Compatible Wiring Styles: NFPA 72 Style Y and Style Z\u003cbr data-start=\"2005\" data-end=\"2008\"\u003e• End-of-Line Resistor: 22 kΩ (P\/N 976042)\u003cbr data-start=\"2050\" data-end=\"2053\"\u003e• Operating Temperature: 32°F to 120°F (0°C to 49°C)\u003cbr data-start=\"2105\" data-end=\"2108\"\u003e• Operating Humidity: Up to 85% Non-Condensing\u003cbr data-start=\"2154\" data-end=\"2157\"\u003e• Mounting Type: Surface Electrical Box\u003cbr data-start=\"2196\" data-end=\"2199\"\u003e• Application: Fire Alarm Notification Appliance Control Module \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2302\" data-end=\"2326\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2328\" data-end=\"2456\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Autocall OXA-500SDA 976091\u003cbr data-start=\"2356\" data-end=\"2359\"\u003e• Autocall OXA-501SDA 976186\u003cbr data-start=\"2387\" data-end=\"2390\"\u003e• Autocall OXA-502SDA 976217\u003c\/p\u003e","brand":"THORN","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51714022244654,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_493322db-c718-4d41-82d3-4b0d02bb5af2.jpg?v=1770414047","url":"https:\/\/plgautomation.com\/products\/thorn-grinnell-oxa-504sda-autocall-signal-driver-amplifier-976216","provider":"PLG Automation ","version":"1.0","type":"link"}