{"product_id":"victron-energy-48v-to-12v-orion-tr-smart-48-12-20a-isolated-dc-dc-charger","title":"Victron Energy - 48V to 12V - Orion-Tr Smart - 48\/12-20A - Isolated DC-DC Charger","description":"\u003ch2\u003eVictron 48V to 12V Orion-Tr Smart Isolated DC-DC Charger: Intelligent Power Conversion for Dual-Battery Systems\u003c\/h2\u003e\n\u003ch3\u003eEfficient 48V to 12V DC-DC Charging with Adaptive 3-Stage Algorithm and Bluetooth Control\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eVictron Orion-Tr Smart Isolated DC-DC Charger\u003c\/strong\u003e delivers precise, regulated power conversion from a 48V battery bank to a 12V auxiliary system. Designed for vehicles, marine vessels and off-grid installations running a 48V house bank, this charger safely steps down voltage to run or charge 12V equipment while maintaining battery health, using an adaptive 3-stage charge algorithm (Bulk, Absorption, Float) rather than a basic fixed-voltage converter.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003e20A\u003c\/strong\u003e of continuous output current (240W at 40°C, up to 280W at 25°C) and a 25A 10-second surge rating, it handles demanding 12V loads and auxiliary battery charging. The integrated Bluetooth Smart interface allows full configuration and monitoring via the VictronConnect app. This isolated design provides galvanic isolation of 200V DC between input, output and case, protecting sensitive electronics from ground loops - a critical advantage where a 48V system shares a vehicle, vessel or building with 12V electronics.\u003c\/p\u003e\n\u003ch3\u003eSmart Alternator Compatibility and Programmable Charge Profiles\u003c\/h3\u003e\n\u003cp\u003eThe Orion-Tr Smart features an engine-running detection mechanism that stops the converter when the alternator isn't running, preventing unwanted discharge of the input battery - useful in Euro 5\/6 vehicles with smart alternators, or any 48V input source that shouldn't be drained when idle. Charge parameters are fully programmable for lead-acid or lithium battery chemistries, and the unit can alternatively be set to a fixed output voltage to run as a 12V power supply. The adjustable output voltage range of \u003cstrong\u003e10-15V\u003c\/strong\u003e provides flexibility for sensitive loads or specific battery requirements.\u003c\/p\u003e\n\u003ch3\u003eRobust Design for Harsh Australian Conditions\u003c\/h3\u003e\n\u003cp\u003eThe Orion-Tr Smart carries an IP43 protection rating for its electronic components when installed with the screw terminals facing downward (IP22 at the connection area). It's rated for continuous operation up to 40°C ambient and can operate up to 55°C with output derated by 3% per °C above 40°C. Screw terminals accept cable up to 16mm² (AWG6), and the compact 130 x 186 x 70mm, 1.3kg housing suits tight installation spaces such as under-bonnet, behind panels, or in battery compartments. All models are short-circuit proof and an unlimited number of units can be paralleled to increase output current.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdaptive 3-stage charge algorithm (Bulk, Absorption, Float), programmable for lead-acid or lithium batteries\u003c\/li\u003e\n\u003cli\u003eBluetooth Smart for wireless monitoring, configuration and firmware updates via VictronConnect\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation (200V DC) between input, output and case\u003c\/li\u003e\n\u003cli\u003eEngine-running detection prevents input\/starter battery drain when the alternator is not running\u003c\/li\u003e\n\u003cli\u003eRemote on\/off terminal for integration with a switch, relay or BMS signal\u003c\/li\u003e\n\u003cli\u003eParallel operation supported - unlimited units for higher combined output current\u003c\/li\u003e\n\u003cli\u003eWide input voltage range of \u003cstrong\u003e32-70V\u003c\/strong\u003e accommodates a 48V system's normal voltage swing\u003c\/li\u003e\n\u003cli\u003eShort-circuit and over-temperature protection; non-replaceable input fuse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThis charger suits 48V battery bank systems - such as larger off-grid solar installations, telecom sites, or 48V-based vehicles and vessels - that also need to run or charge 12V equipment such as fridges, lighting, winches or communications gear. The isolated design makes it suitable where sensitive 12V communication or navigation electronics share the system with a higher-voltage 48V bank.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"product-specifications\" style=\"width:100%; border-collapse:collapse; border:1px solid #d9d9d9; table-layout:auto;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eModel\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eOrion-Tr Smart DC-DC Charger Isolated 48\/12-20 (240W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eInput voltage range\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e32-70V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eUnder voltage shut down\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e28V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eUnder voltage restart\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eNominal output voltage\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e12.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eOutput voltage adjust range\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e10-15V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eOutput voltage tolerance\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e+\/- 0.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eOutput noise\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e2mV rms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eCont. output current at nominal output voltage and 40°C\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eMaximum output current (10s) at nominal output voltage minus 20%\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e25A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eShort circuit output current\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e50A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eCont. output power at 25°C\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e280W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eCont. output power at 40°C\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e240W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eEfficiency\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e87%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eNo load input current\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e\u0026lt; 80mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eStandby current\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eLess than 1mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eGalvanic isolation\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e200V dc between input, output and case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eOperating temperature range\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e-20 to +55°C (derate 3% per °C above 40°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eHumidity\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eMax. 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eDC connection\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eMaximum cable cross-section\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e16mm² AWG6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e1.3kg (3 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eDimensions hxwxd\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e130 x 186 x 70mm (5.1 x 7.3 x 2.8 inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eProtection Category\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eIP43 (electronic components), IP22 (connection area)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d9d9d9; padding:8px; text-align:left; width:35%; vertical-align:top;\"\u003eStandards: Safety \/ Emission \/ Immunity \/ Automotive\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eEN 60950, EN 61000-6-3, EN 55014-1 \/ EN 61000-6-2, EN 61000-6-1, EN 55014-2, ECE R10-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":53941333066011,"sku":"VIC-ORI481224120","price":269.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0854\/3354\/9083\/files\/victron-orion-tr-smart-48-12-20a-dc-charger-vic-ori481224120.webp?v=1789376876","url":"https:\/\/www.nbcampingequipment.com.au\/products\/victron-energy-48v-to-12v-orion-tr-smart-48-12-20a-isolated-dc-dc-charger","provider":"NB Camping Equipment","version":"1.0","type":"link"}