{"product_id":"bosch-b520-c-auxiliary-power-sdi2-supply-kit-includes-tr1850-d8103-b12-b520","title":"Bosch B520-C Auxiliary Power SDI2 Supply Kit, Includes TR1850, D8103, B12, B520","description":"The B520 Auxiliary Power Supply Module is an auxiliary power supply expansion device that connects to compatible control panels through the SDI2 bus. This module is supervised and communicates all status changes to the control panel.\nIndustrial, commercial, and institutional facilities are typical installations for the B520 module. The B520 address switches allow for easy device addressing. The SDI2 Out terminals provide auxiliary power for SDI2 expansion devices, such as keypads. The AUX PWR terminals provides added auxiliary power capabilities for additional devices such as PIR motion detectors.\n\n\u003cb\u003eFunctions\n\u003c\/b\u003eThe module monitors and communicates status information over the SDI2 bus for the following:\n\u003cul\u003e\n  \u003cli\u003eOperation (Heartbeat)\u003c\/li\u003e\n  \u003cli\u003eBattery 1 (BATT 1)\u003c\/li\u003e\n  \u003cli\u003eBattery 2 (BATT 2)\u003c\/li\u003e\n  \u003cli\u003eAC input power (AC)\u003c\/li\u003e\n  \u003cli\u003eBattery OK\u003c\/li\u003e\n  \u003cli\u003eLow Battery\u003c\/li\u003e\n  \u003cli\u003eMissing Battery\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/www.fireandsafetyplus.com\/product\/bosch-tr1850-plug-in-transformer-with-input\/\" target=\"_blank\" rel=\"noopener\"\u003eTR1850\u003c\/a\u003e, D8103, \u003ca href=\"https:\/\/www.fireandsafetyplus.com\/product\/bosch-b12-mounting-plate-for-d8103-enclosure\/\" target=\"_blank\" rel=\"noopener\"\u003eB12\u003c\/a\u003e, \u003ca href=\"https:\/\/www.fireandsafetyplus.com\/product\/bosch-b520-auxiliary-power-supply-module-2a-12v\/\" target=\"_blank\" rel=\"noopener\"\u003eB520\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":43250829393985,"sku":"DS-B520C","price":533.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/2465\/9009\/files\/81d998bb-ds-b520c_lg.jpg?v=1770766646","url":"https:\/\/www.fireandsafetyplus.com\/products\/bosch-b520-c-auxiliary-power-sdi2-supply-kit-includes-tr1850-d8103-b12-b520","provider":"Fire and Safety Plus","version":"1.0","type":"link"}