{"product_id":"bosch-b520-auxiliary-power-supply-module-12v-dc-2a-for-solution-4000-and-compatible-bosch-security-panels","title":"Bosch B520 Auxiliary Power Supply Module – 12V DC, 2A for Solution 4000 and Compatible Bosch Security Panels","description":"\u003cp data-start=\"140\" data-end=\"914\" class=\"\"\u003eThe Bosch B520 Auxiliary Power Supply Module is a robust, supervised 12V DC power expansion solution designed to meet the demanding requirements of modern intrusion and fire alarm systems. Delivering up to 2A of continuous auxiliary power and 4A of burglary alarm current, it ensures uninterrupted performance for peripheral devices like motion detectors, keypads, and SDI2 modules. It supports up to two 12V sealed lead-acid batteries (7-18Ah each), offering a combined standby capacity of up to 36Ah and up to 80 hours of battery-backed power. Engineered for seamless integration with Bosch's Solution 4000 and a broad range of B and D series control panels, the B520 is ideal for commercial, industrial, and institutional security applications.\u003c\/p\u003e\n\u003cp data-start=\"140\" data-end=\"914\" class=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0637\/2838\/6287\/files\/Screenshot2025-05-03164032.png?v=1746254440\" alt=\"\"\u003e\u003c\/p\u003e\n\u003chr data-start=\"916\" data-end=\"919\" class=\"\"\u003e\n\u003cp data-start=\"921\" data-end=\"943\" class=\"\"\u003e\u003cstrong data-start=\"921\" data-end=\"941\"\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"944\" data-end=\"1045\"\u003e\n\u003cli data-start=\"944\" data-end=\"988\" class=\"\"\u003e\n\u003cp data-start=\"946\" data-end=\"988\" class=\"\"\u003eBosch B520 Auxiliary Power Supply Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"989\" data-end=\"1019\" class=\"\"\u003e\n\u003cp data-start=\"991\" data-end=\"1019\" class=\"\"\u003eInstallation hardware pack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1020\" data-end=\"1045\" class=\"\"\u003e\n\u003cp data-start=\"1022\" data-end=\"1045\" class=\"\"\u003eUser\/Installer manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1047\" data-end=\"1050\" class=\"\"\u003e\n\u003cp data-start=\"1052\" data-end=\"1072\" class=\"\"\u003e\u003cstrong data-start=\"1052\" data-end=\"1070\"\u003eMain Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1073\" data-end=\"1559\"\u003e\n\u003cli data-start=\"1073\" data-end=\"1141\" class=\"\"\u003e\n\u003cp data-start=\"1075\" data-end=\"1141\" class=\"\"\u003eSupplies up to 2A of auxiliary 12V DC power and 4A alarm current\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1142\" data-end=\"1206\" class=\"\"\u003e\n\u003cp data-start=\"1144\" data-end=\"1206\" class=\"\"\u003eSupports two independently supervised 12V batteries (7–18Ah)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1207\" data-end=\"1272\" class=\"\"\u003e\n\u003cp data-start=\"1209\" data-end=\"1272\" class=\"\"\u003eMonitors AC input, battery presence, charge level, and faults\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1273\" data-end=\"1331\" class=\"\"\u003e\n\u003cp data-start=\"1275\" data-end=\"1331\" class=\"\"\u003eCompatible with SDI2 devices and Bosch security panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1332\" data-end=\"1368\" class=\"\"\u003e\n\u003cp data-start=\"1334\" data-end=\"1368\" class=\"\"\u003eEasy addressing via DIP switches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1369\" data-end=\"1409\" class=\"\"\u003e\n\u003cp data-start=\"1371\" data-end=\"1409\" class=\"\"\u003e80-hour maximum battery standby time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1410\" data-end=\"1475\" class=\"\"\u003e\n\u003cp data-start=\"1412\" data-end=\"1475\" class=\"\"\u003eHeartbeat, battery, and AC status LEDs for system diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1476\" data-end=\"1528\" class=\"\"\u003e\n\u003cp data-start=\"1478\" data-end=\"1528\" class=\"\"\u003eCompatible with TR1850 transformer (18VAC, 50VA)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1529\" data-end=\"1559\" class=\"\"\u003e\n\u003cp data-start=\"1531\" data-end=\"1559\" class=\"\"\u003eUL listed and CE certified\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1561\" data-end=\"1564\" class=\"\"\u003e\n\u003cp data-start=\"1566\" data-end=\"1596\" class=\"\"\u003e\u003cstrong data-start=\"1566\" data-end=\"1594\"\u003eDetailed Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1597\" data-end=\"2286\"\u003e\n\u003cli data-start=\"1597\" data-end=\"1622\" class=\"\"\u003e\n\u003cp data-start=\"1599\" data-end=\"1622\" class=\"\"\u003e\u003cstrong data-start=\"1599\" data-end=\"1615\"\u003ePart Number:\u003c\/strong\u003e B520\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1623\" data-end=\"1671\" class=\"\"\u003e\n\u003cp data-start=\"1625\" data-end=\"1671\" class=\"\"\u003e\u003cstrong data-start=\"1625\" data-end=\"1640\"\u003eDimensions:\u003c\/strong\u003e 11.43 cm x 17.62 cm x 2.9 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1672\" data-end=\"1704\" class=\"\"\u003e\n\u003cp data-start=\"1674\" data-end=\"1704\" class=\"\"\u003e\u003cstrong data-start=\"1674\" data-end=\"1690\"\u003eInput Power:\u003c\/strong\u003e 18VAC, 50VA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1705\" data-end=\"1777\" class=\"\"\u003e\n\u003cp data-start=\"1707\" data-end=\"1777\" class=\"\"\u003e\u003cstrong data-start=\"1707\" data-end=\"1724\"\u003eOutput Power:\u003c\/strong\u003e 2A continuous (up to 4A for burglar alarm current)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1778\" data-end=\"1817\" class=\"\"\u003e\n\u003cp data-start=\"1780\" data-end=\"1817\" class=\"\"\u003e\u003cstrong data-start=\"1780\" data-end=\"1809\"\u003eBattery Charging Reserve:\u003c\/strong\u003e 150mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1818\" data-end=\"1857\" class=\"\"\u003e\n\u003cp data-start=\"1820\" data-end=\"1857\" class=\"\"\u003e\u003cstrong data-start=\"1820\" data-end=\"1838\"\u003eVoltage Range:\u003c\/strong\u003e 11.5V – 12.2V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1858\" data-end=\"1953\" class=\"\"\u003e\n\u003cp data-start=\"1860\" data-end=\"1953\" class=\"\"\u003e\u003cstrong data-start=\"1860\" data-end=\"1884\"\u003eMax Battery Support:\u003c\/strong\u003e Two 12V sealed lead-acid batteries, 7-18Ah each (up to 36Ah total)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1954\" data-end=\"2001\" class=\"\"\u003e\n\u003cp data-start=\"1956\" data-end=\"2001\" class=\"\"\u003e\u003cstrong data-start=\"1956\" data-end=\"1994\"\u003eCurrent Draw (from control panel):\u003c\/strong\u003e 15mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2002\" data-end=\"2045\" class=\"\"\u003e\n\u003cp data-start=\"2004\" data-end=\"2045\" class=\"\"\u003e\u003cstrong data-start=\"2004\" data-end=\"2030\"\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +49°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2046\" data-end=\"2089\" class=\"\"\u003e\n\u003cp data-start=\"2048\" data-end=\"2089\" class=\"\"\u003e\u003cstrong data-start=\"2048\" data-end=\"2072\"\u003eStorage Temperature:\u003c\/strong\u003e -20°C to +60°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2090\" data-end=\"2140\" class=\"\"\u003e\n\u003cp data-start=\"2092\" data-end=\"2140\" class=\"\"\u003e\u003cstrong data-start=\"2092\" data-end=\"2105\"\u003eHumidity:\u003c\/strong\u003e 5% to 93% non-condensing at 32°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2141\" data-end=\"2210\" class=\"\"\u003e\n\u003cp data-start=\"2143\" data-end=\"2210\" class=\"\"\u003e\u003cstrong data-start=\"2143\" data-end=\"2164\"\u003eMounting Options:\u003c\/strong\u003e B8103, D8103, B10, D8108A, AE1\/AE2, BATB-40\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2211\" data-end=\"2286\" class=\"\"\u003e\n\u003cp data-start=\"2213\" data-end=\"2286\" class=\"\"\u003e\u003cstrong data-start=\"2213\" data-end=\"2241\"\u003eCompatible Transformers:\u003c\/strong\u003e TR1850 (North America), TR1850-CA (Canada)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2288\" data-end=\"2291\" class=\"\"\u003e\n\u003cp data-start=\"2293\" data-end=\"2489\" class=\"\"\u003e\u003cstrong data-start=\"2293\" data-end=\"2318\"\u003eWarranty Information:\u003c\/strong\u003e\u003cbr data-start=\"2318\" data-end=\"2321\"\u003eBosch offers a standard 3-year return-to-base warranty on the B520 module. Warranty covers manufacturing defects and hardware failure under normal operating conditions.\u003c\/p\u003e\n\u003chr data-start=\"2491\" data-end=\"2494\" class=\"\"\u003e\n\u003cp data-start=\"2496\" data-end=\"2807\" class=\"\"\u003e\u003cstrong data-start=\"2496\" data-end=\"2518\"\u003eBrand Description:\u003c\/strong\u003e\u003cbr data-start=\"2518\" data-end=\"2521\"\u003eBosch Security Systems is a global pioneer in reliable, innovative security and life safety technology. Their extensive range of intrusion detection, fire safety, and access control systems are engineered for durability and high performance, trusted in critical installations worldwide.\u003c\/p\u003e\n\u003chr data-start=\"2809\" data-end=\"2812\" class=\"\"\u003e\n\u003cp data-start=\"2814\" data-end=\"2827\" class=\"\"\u003e\u003cstrong data-start=\"2814\" data-end=\"2822\"\u003eSKU:\u003c\/strong\u003e B520\u003c\/p\u003e\n\u003chr data-start=\"2829\" data-end=\"2832\" class=\"\"\u003e\n\u003cp data-start=\"2834\" data-end=\"2864\" class=\"\"\u003e\u003cstrong data-start=\"2834\" data-end=\"2862\"\u003ePractical Use Scenarios:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2865\" data-end=\"3238\"\u003e\n\u003cli data-start=\"2865\" data-end=\"2948\" class=\"\"\u003e\n\u003cp data-start=\"2867\" data-end=\"2948\" class=\"\"\u003eSupplementing auxiliary power in large-scale Bosch intrusion\/fire alarm systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2949\" data-end=\"3021\" class=\"\"\u003e\n\u003cp data-start=\"2951\" data-end=\"3021\" class=\"\"\u003eExtending power supply to additional keypads, PIRs, and SDI2 devices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3022\" data-end=\"3091\" class=\"\"\u003e\n\u003cp data-start=\"3024\" data-end=\"3091\" class=\"\"\u003eProviding battery-backed power in power outage-prone environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3092\" data-end=\"3160\" class=\"\"\u003e\n\u003cp data-start=\"3094\" data-end=\"3160\" class=\"\"\u003eSupporting fire safety installations requiring UL 864 compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3161\" data-end=\"3238\" class=\"\"\u003e\n\u003cp data-start=\"3163\" data-end=\"3238\" class=\"\"\u003eIndustrial and institutional environments with multiple expansion modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3240\" data-end=\"3243\" class=\"\"\u003e\n\u003cp data-start=\"3245\" data-end=\"3289\" class=\"\"\u003e\u003cstrong data-start=\"3245\" data-end=\"3287\"\u003eDatasheets and Downloadable Resources:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3290\" data-end=\"3522\"\u003e\n\u003cli data-start=\"3290\" data-end=\"3405\" class=\"\"\u003e\n\u003cul class=\"downloads\"\u003e\n\u003cli class=\"download suffix-1pdf\"\u003e\u003ca href=\"https:\/\/d347awuzx0kdse.cloudfront.net\/netdigital\/product-download\/b520_1.pdf?v=0100de602300cd49c3bb2a015ed8aa6fe366420e\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"download suffix-2pdf\"\u003e\u003ca href=\"https:\/\/d347awuzx0kdse.cloudfront.net\/netdigital\/product-download\/b520_2.pdf?v=97ea23a71f4bf73ce297b2b3e093434f1d1d2f87\" target=\"_blank\"\u003eDownload Installation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3524\" data-end=\"3527\" class=\"\"\u003e\n\u003cp data-start=\"3529\" data-end=\"4146\" class=\"\"\u003e\u003cstrong data-start=\"3529\" data-end=\"3586\"\u003eExcellence for the Australian and New Zealand Market:\u003c\/strong\u003e\u003cbr data-start=\"3586\" data-end=\"3589\"\u003eThe Bosch B520 Auxiliary Power Supply Module is engineered to meet stringent Australian and New Zealand electrical and safety standards. Fully compatible with Bosch’s authorized regional panel offerings, it is sourced exclusively through Bosch’s certified channels. All warranty claims and technical support are handled locally by Bosch representatives, ensuring seamless service. The module’s rugged design and broad compatibility make it a reliable addition to security infrastructure across commercial and government sectors in Australia and New Zealand.\u003c\/p\u003e\n\u003chr data-start=\"4148\" data-end=\"4151\" class=\"\"\u003e\n\u003cp data-start=\"4153\" data-end=\"4191\" class=\"\"\u003e\u003cstrong data-start=\"4153\" data-end=\"4191\"\u003eFrequently Asked Questions (FAQs):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"4193\" data-end=\"4410\" class=\"\"\u003e\u003cstrong data-start=\"4193\" data-end=\"4272\"\u003eQ1: Can the Bosch B520 (B520) be used with the Solution 4000 control panel?\u003c\/strong\u003e\u003cbr data-start=\"4272\" data-end=\"4275\"\u003eA1: Yes, the B520 is fully compatible with the Bosch Solution 4000, providing auxiliary power and communication through the SDI2 bus.\u003c\/p\u003e\n\u003cp data-start=\"4412\" data-end=\"4623\" class=\"\"\u003e\u003cstrong data-start=\"4412\" data-end=\"4493\"\u003eQ2: What is the maximum backup battery capacity supported by the B520 (B520)?\u003c\/strong\u003e\u003cbr data-start=\"4493\" data-end=\"4496\"\u003eA2: The B520 supports up to two 12V batteries ranging from 7Ah to 18Ah each, providing a total backup capacity of up to 36Ah.\u003c\/p\u003e\n\u003cp data-start=\"4625\" data-end=\"4845\" class=\"\"\u003e\u003cstrong data-start=\"4625\" data-end=\"4699\"\u003eQ3: Does the B520 (B520) include monitoring for AC and battery faults?\u003c\/strong\u003e\u003cbr data-start=\"4699\" data-end=\"4702\"\u003eA3: Yes, the module monitors AC power, battery presence, charge status, and faults. LED indicators display heartbeat, AC, and battery status.\u003c\/p\u003e\n\u003cp data-start=\"4847\" data-end=\"5105\" class=\"\"\u003e\u003cstrong data-start=\"4847\" data-end=\"4924\"\u003eQ4: What enclosures are recommended for installing the Bosch B520 (B520)?\u003c\/strong\u003e\u003cbr data-start=\"4924\" data-end=\"4927\"\u003eA4: The B520 can be installed in Bosch enclosures including the B10, B8103, D8103, and D8108A. The B12 mounting plate is recommended for secure installation in some enclosures.\u003c\/p\u003e\n\u003cp data-start=\"5107\" data-end=\"5349\" class=\"\"\u003e\u003cstrong data-start=\"5107\" data-end=\"5177\"\u003eQ5: What power supply transformer is required for the B520 (B520)?\u003c\/strong\u003e\u003cbr data-start=\"5177\" data-end=\"5180\"\u003eA5: The B520 is designed for use with the Bosch TR1850 (18VAC, 50VA) plug-in transformer. In fire system applications, the D8004 transformer enclosure may be required\u003c\/p\u003e","brand":"CCTV Tradie","offers":[{"title":"Default Title","offer_id":44530318409831,"sku":"B520-NET","price":300.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/8268\/2471\/files\/BOSB520_B520_product-image_1.webp?v=1788076083","url":"https:\/\/shop.underbrella.com.au\/products\/bosch-b520-auxiliary-power-supply-module-12v-dc-2a-for-solution-4000-and-compatible-bosch-security-panels","provider":"UnderBrella","version":"1.0","type":"link"}