{"product_id":"victron-cyrix-24-48-400a-combiner","title":"Victron Cyrix 24\/48-400A Combiner","description":"\u003c!-- eBay Listing: Victron Cyrix 24\/48-400A Intelligent Battery Combiner --\u003e \u003c!-- eBay Compliant: No scripts, no external links, no Shopify tags, inline styles only --\u003e \u003cdiv style=\"font-family: Georgia, 'Times New Roman', serif; font-size: 16px; line-height: 1.7; color: #1a1a1a; max-width: 900px; margin: 0 auto; background-color: #ffffff;\"\u003e    \u003cdiv style=\"background-color: #0d2137; padding: 36px 24px; text-align: center; border-radius: 4px 4px 0 0;\"\u003e     \u003cdiv style=\"font-family: 'Courier New', Courier, monospace; font-size: 11px; letter-spacing: 4px; color: #f0a020; text-transform: uppercase; margin-bottom: 10px;\"\u003eVICTRON ENERGY  ●  CYRIX-I SERIES\u003c\/div\u003e     \u003ch1 style=\"margin: 0; font-size: 24px; font-weight: 700; color: #ffffff; letter-spacing: 0.5px; line-height: 1.3;\"\u003eVictron Cyrix 24\/48-400A Intelligent Battery Combiner\u003c\/h1\u003e     \u003cp style=\"margin: 12px 0 0; font-size: 15px; color: #a8c4d8; font-style: italic;\"\u003eAutomatic 24V\/48V Sensing  |  400A Continuous Current  |  UK Solar, Marine \u0026amp; Vehicle Systems\u003c\/p\u003e   \u003c\/div\u003e    \u003cdiv style=\"padding: 28px 24px; background-color: #f7f9fb; border-left: 1px solid #d8e4ee; border-right: 1px solid #d8e4ee;\"\u003e     \u003cp style=\"margin: 0 0 16px; font-size: 16px; color: #333;\"\u003eThe \u003cstrong style=\"color: #0d2137;\"\u003eVictron Cyrix 24\/48-400A Intelligent Battery Combiner\u003c\/strong\u003e is a microprocessor-controlled heavy-duty relay designed to automatically connect and disconnect battery banks in 24V or 48V DC systems. This intelligent device ensures efficient charging by paralleling batteries when a charge source is detected and isolating them to prevent unwanted discharge.\u003c\/p\u003e     \u003cp style=\"margin: 0; font-size: 16px; color: #333;\"\u003eIdeal for multi-battery setups in marine, RV, off-grid solar, and emergency vehicle applications, the Cyrix-i 24\/48-400A offers a superior alternative to traditional diode isolators by eliminating voltage loss, ensuring your alternators and battery chargers deliver their full potential.\u003c\/p\u003e     \u003cdiv style=\"margin-top: 20px; background-color: #0d2137; border-left: 5px solid #f0a020; padding: 14px 18px; border-radius: 0 4px 4px 0;\"\u003e       \u003cp style=\"margin: 0; color: #e8f0f8; font-size: 15px;\"\u003e\u003cstrong style=\"color: #f0a020;\"\u003eSYSTEM COMPATIBILITY:\u003c\/strong\u003e Specifically designed for 24V and 48V DC systems with automatic voltage detection.\u003c\/p\u003e     \u003c\/div\u003e   \u003c\/div\u003e    \u003cdiv style=\"margin-top: 24px; padding: 24px; border: 1px solid #d8e4ee; background-color: #ffffff;\"\u003e     \u003ch2 style=\"margin: 0 0 16px; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #0d2137; border-bottom: 2px solid #f0a020; padding-bottom: 8px;\"\u003eKey Features\u003c\/h2\u003e     \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e       \u003ctbody\u003e         \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eIntelligent Battery Monitoring\u003c\/strong\u003e — Prevents unwanted switching by analysing voltage trends, not just fixed thresholds.\u003c\/td\u003e\u003c\/tr\u003e         \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eZero Voltage Loss\u003c\/strong\u003e — Functions as a superior replacement for diode isolators, ensuring full charging voltage reaches your batteries.\u003c\/td\u003e\u003c\/tr\u003e         \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003ePrioritises Starter Battery\u003c\/strong\u003e — Ensures the starter battery is charged first before connecting auxiliary batteries for parallel charging.\u003c\/td\u003e\u003c\/tr\u003e         \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eBidirectional Voltage Sensing\u003c\/strong\u003e — Monitors both connected batteries, engaging even if the accessory battery is being charged.\u003c\/td\u003e\u003c\/tr\u003e         \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eEmergency Parallel Connection\u003c\/strong\u003e — Allows manual engagement for 30 seconds via a push button or switch to assist with a discharged starter battery.\u003c\/td\u003e\u003c\/tr\u003e         \u003ctr\u003e\u003ctd style=\"padding: 9px 0; border-bottom: 1px solid #eee; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eSelectable Timing Profiles\u003c\/strong\u003e — Offers four different switch timing profiles to adapt to various system requirements.\u003c\/td\u003e\u003c\/tr\u003e         \u003ctr\u003e\u003ctd style=\"padding: 9px 0; font-size: 15px; color: #333;\"\u003e▶  \u003cstrong\u003eRemote Monitoring Output\u003c\/strong\u003e — Includes a micro switch for remote status indication.\u003c\/td\u003e\u003c\/tr\u003e       \u003c\/tbody\u003e     \u003c\/table\u003e   \u003c\/div\u003e    \u003cdiv style=\"margin-top: 24px; padding: 24px; border: 1px solid #d8e4ee; background-color: #f7f9fb;\"\u003e     \u003ch2 style=\"margin: 0 0 16px; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #0d2137; border-bottom: 2px solid #f0a020; padding-bottom: 8px;\"\u003eTechnical Specifications\u003c\/h2\u003e     \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e       \u003cthead\u003e         \u003ctr style=\"background-color: #0d2137;\"\u003e           \u003cth style=\"padding: 10px 12px; text-align: left; font-size: 12px; letter-spacing: 1px; color: #f0a020; font-family: 'Courier New', monospace; font-weight: normal; text-transform: uppercase;\"\u003eParameter\u003c\/th\u003e           \u003cth style=\"padding: 10px 12px; text-align: right; font-size: 12px; letter-spacing: 1px; color: #f0a020; font-family: 'Courier New', monospace; font-weight: normal; text-transform: uppercase;\"\u003eValue\u003c\/th\u003e         \u003c\/tr\u003e       \u003c\/thead\u003e       \u003ctbody\u003e         \u003ctr style=\"background-color: #ffffff;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eManufacturer\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003eVictron Energy\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #edf3f8;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eModel\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003eCyrix-i 24\/48-400A\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #ffffff;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eMPN \/ SKU\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003eCYR020400000\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #edf3f8;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eProduct Type\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003eIntelligent Battery Combiner \/ Automatic Charge Relay\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #ffffff;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eSystem Voltage\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003e24V \/ 48V (Auto-ranging)\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #edf3f8;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eInput Voltage Range\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003e16 - 72 VDC\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #ffffff;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eContinuous Current\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003e400A\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #edf3f8;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003ePeak Current (1 second)\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003e2000A\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #ffffff;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eCurrent Consumption (Open)\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003e\u0026lt;4 mA\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #edf3f8;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eEmergency Start Function\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003eYes (30 seconds)\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #ffffff;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eRemote Monitoring\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003eMicro switch output\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #edf3f8;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eStatus Indication\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003eBicolour LED\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #ffffff;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eProtection Class\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003eIP54\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #edf3f8;\"\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eDimensions (H x W x D)\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; text-align: right; color: #333;\"\u003e\u003cstrong\u003e78 x 102 x 110 mm\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e         \u003ctr style=\"background-color: #ffffff;\"\u003e           \u003ctd style=\"padding: 8px 12px; color: #333;\"\u003eWeight\u003c\/td\u003e           \u003ctd style=\"padding: 8px 12px; text-align: right; color: #333;\"\u003e\u003cstrong\u003e0.9 kg\u003c\/strong\u003e\u003c\/td\u003e         \u003c\/tr\u003e       \u003c\/tbody\u003e     \u003c\/table\u003e   \u003c\/div\u003e    \u003cdiv style=\"margin-top: 24px; border: 1px solid #d8e4ee;\"\u003e     \u003cdiv style=\"background-color: #0d2137; padding: 12px 20px;\"\u003e       \u003ch2 style=\"margin: 0; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #f0a020; font-weight: normal;\"\u003eIntelligent Battery Management\u003c\/h2\u003e     \u003c\/div\u003e     \u003cdiv style=\"padding: 20px 24px; background-color: #ffffff;\"\u003e       \u003cp style=\"margin: 0 0 16px; font-size: 16px; color: #333;\"\u003eThe Cyrix-i 24\/48-400A goes beyond simple voltage-based switching. Its advanced software monitors the general trend of battery voltage (increasing or decreasing) and only reverses a previous action if the trend has genuinely changed over a specific period. This intelligent approach prevents nuisance disconnections during short, high-amperage loads or failures to connect large, discharged battery banks.\u003c\/p\u003e       \u003cp style=\"margin: 0; font-size: 16px; color: #333;\"\u003eWith four selectable switch timing profiles, the Cyrix-i can be configured to suit various battery types and system demands, offering flexibility and enhanced reliability for your power management needs.\u003c\/p\u003e     \u003c\/div\u003e   \u003c\/div\u003e    \u003cdiv style=\"margin-top: 24px; border: 1px solid #d8e4ee;\"\u003e     \u003cdiv style=\"background-color: #0d2137; padding: 12px 20px;\"\u003e       \u003ch2 style=\"margin: 0; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #f0a020; font-weight: normal;\"\u003eTypical Applications\u003c\/h2\u003e     \u003c\/div\u003e     \u003cdiv style=\"padding: 20px 24px; background-color: #ffffff;\"\u003e       \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e         \u003cthead\u003e           \u003ctr style=\"background-color: #1a3550;\"\u003e             \u003cth style=\"padding: 10px 12px; text-align: left; font-size: 12px; letter-spacing: 1px; color: #f0a020; font-family: 'Courier New', monospace; font-weight: normal; text-transform: uppercase;\"\u003eApplication\u003c\/th\u003e             \u003cth style=\"padding: 10px 12px; text-align: left; font-size: 12px; letter-spacing: 1px; color: #f0a020; font-family: 'Courier New', monospace; font-weight: normal; text-transform: uppercase;\"\u003eDescription\u003c\/th\u003e           \u003c\/tr\u003e         \u003c\/thead\u003e         \u003ctbody\u003e           \u003ctr style=\"background-color: #ffffff;\"\u003e             \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003e\u003cstrong\u003eMarine \u0026amp; RV Systems\u003c\/strong\u003e\u003c\/td\u003e             \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eEfficiently manage charging of house and starter batteries from a single alternator or charger.\u003c\/td\u003e           \u003c\/tr\u003e           \u003ctr style=\"background-color: #f7f9fb;\"\u003e             \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003e\u003cstrong\u003eOff-Grid Solar Installations\u003c\/strong\u003e\u003c\/td\u003e             \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eOptimise charging of multiple battery banks in remote power systems.\u003c\/td\u003e           \u003c\/tr\u003e           \u003ctr style=\"background-color: #ffffff;\"\u003e             \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003e\u003cstrong\u003eEmergency \u0026amp; Commercial Vehicles\u003c\/strong\u003e\u003c\/td\u003e             \u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid #eee; color: #333;\"\u003eEnsures critical starter batteries are prioritised while auxiliary equipment batteries are charged.\u003c\/td\u003e           \u003c\/tr\u003e           \u003ctr style=\"background-color: #f7f9fb;\"\u003e             \u003ctd style=\"padding: 8px 12px; color: #333;\"\u003e\u003cstrong\u003eBackup Power Systems\u003c\/strong\u003e\u003c\/td\u003e             \u003ctd style=\"padding: 8px 12px; color: #333;\"\u003eManages parallel battery banks for increased capacity and reliability.\u003c\/td\u003e           \u003c\/tr\u003e         \u003c\/tbody\u003e       \u003c\/table\u003e     \u003c\/div\u003e   \u003c\/div\u003e    \u003cdiv style=\"margin-top: 24px; padding: 24px; border: 1px solid #d8e4ee; background-color: #ffffff;\"\u003e     \u003ch2 style=\"margin: 0 0 16px; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #0d2137; border-bottom: 2px solid #f0a020; padding-bottom: 8px;\"\u003eBuilt-In Protection Functions\u003c\/h2\u003e     \u003cp style=\"margin: 0; font-size: 15px; color: #444;\"\u003eThe Victron Cyrix 24\/48-400A is equipped with several protection features to ensure safe and reliable operation. These include overvoltage disconnect for 24V and 48V systems, automatic shutdown for temperature protection, and intelligent monitoring to prevent unwanted switching due to transient voltage fluctuations. The unit also features an IP54 protection rating, offering resistance against dust and splashing water.\u003c\/p\u003e   \u003c\/div\u003e    \u003cdiv style=\"margin-top: 24px; border: 1px solid #d8e4ee;\"\u003e     \u003cdiv style=\"background-color: #0d2137; padding: 12px 20px;\"\u003e       \u003ch2 style=\"margin: 0; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #f0a020; font-weight: normal;\"\u003eCommon Questions\u003c\/h2\u003e     \u003c\/div\u003e     \u003cdiv style=\"padding: 20px 24px;\"\u003e       \u003cdiv style=\"margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid #eee;\"\u003e         \u003cp style=\"margin: 0 0 6px; font-weight: 700; font-size: 15px; color: #0d2137;\"\u003eWhat is the primary function of the Cyrix 24\/48-400A?\u003c\/p\u003e         \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eThe Cyrix 24\/48-400A automatically connects two or more battery banks in parallel when a charging source is present, ensuring all batteries are charged. It then disconnects them when the voltage drops, preventing discharge of one battery into another.\u003c\/p\u003e       \u003c\/div\u003e       \u003cdiv style=\"margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid #eee;\"\u003e         \u003cp style=\"margin: 0 0 6px; font-weight: 700; font-size: 15px; color: #0d2137;\"\u003eHow does it differ from a diode battery isolator?\u003c\/p\u003e         \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eUnlike diode isolators, the Cyrix-i has virtually no voltage loss, meaning your alternator or charger voltage reaches the batteries unchanged, maximising charging efficiency. Diode isolators typically incur a voltage drop, which can lead to undercharging.\u003c\/p\u003e       \u003c\/div\u003e       \u003cdiv style=\"margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid #eee;\"\u003e         \u003cp style=\"margin: 0 0 6px; font-weight: 700; font-size: 15px; color: #0d2137;\"\u003eCan I use this Cyrix model with a 12V system?\u003c\/p\u003e         \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eNo, the Victron Cyrix 24\/48-400A is specifically designed for 24V and 48V DC systems and will automatically detect between these two voltages. For 12V or 12\/24V auto-ranging systems, a different Cyrix-i model would be required.\u003c\/p\u003e       \u003c\/div\u003e       \u003cdiv style=\"margin-bottom: 0; padding-bottom: 0; border-bottom: none;\"\u003e         \u003cp style=\"margin: 0 0 6px; font-weight: 700; font-size: 15px; color: #0d2137;\"\u003eWhat is the \"Emergency Start\" function?\u003c\/p\u003e         \u003cp style=\"margin: 0; font-size: 15px; color: #555; line-height: 1.6;\"\u003eThe emergency start function allows you to manually connect the battery banks in parallel for 30 seconds using a push button or switch. This is useful if your primary starter battery is discharged and you need to use the auxiliary battery to start an engine.\u003c\/p\u003e       \u003c\/div\u003e     \u003c\/div\u003e   \u003c\/div\u003e    \u003cdiv style=\"margin-top: 24px; padding: 24px; border: 1px solid #d8e4ee; background-color: #f7f9fb;\"\u003e     \u003ch2 style=\"margin: 0 0 16px; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #0d2137; border-bottom: 2px solid #f0a020; padding-bottom: 8px;\"\u003eInstallation Notes\u003c\/h2\u003e     \u003cul style=\"margin: 0; padding-left: 18px; font-size: 15px; color: #444; line-height: 1.9;\"\u003e       \u003cli style=\"margin-bottom: 8px;\"\u003e \u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Installation should be carried out by a qualified professional to ensure correct wiring and optimal performance.\u003c\/li\u003e       \u003cli style=\"margin-bottom: 8px;\"\u003e \u003cstrong\u003eCommon Negative:\u003c\/strong\u003e The Cyrix-i requires an installation with a common negative connection for both batteries.\u003c\/li\u003e       \u003cli style=\"margin-bottom: 8px;\"\u003e \u003cstrong\u003eFuse Protection:\u003c\/strong\u003e Always install an appropriately sized fuse in series with the Cyrix, not exceeding 400A, and in accordance with cable cross-section.\u003c\/li\u003e       \u003cli style=\"margin-bottom: 8px;\"\u003e \u003cstrong\u003ePlacement:\u003c\/strong\u003e For best results, position the Cyrix-i closest to the smallest battery, typically the starter battery.\u003c\/li\u003e       \u003cli\u003e \u003cstrong\u003eCable Sizing:\u003c\/strong\u003e Ensure all battery cables are correctly sized for the 400A continuous current rating to prevent overheating and voltage drop.\u003c\/li\u003e     \u003c\/ul\u003e   \u003c\/div\u003e    \u003cdiv style=\"margin-top: 24px; padding: 24px; border: 1px solid #d8e4ee; background-color: #ffffff;\"\u003e     \u003ch2 style=\"margin: 0 0 16px; font-size: 14px; font-family: 'Courier New', monospace; letter-spacing: 3px; text-transform: uppercase; color: #0d2137; border-bottom: 2px solid #f0a020; padding-bottom: 8px;\"\u003eBefore You Buy\u003c\/h2\u003e     \u003cul style=\"margin: 0; padding-left: 18px; font-size: 15px; color: #444; line-height: 1.9;\"\u003e       \u003cli style=\"margin-bottom: 8px;\"\u003e \u003cstrong\u003eVerify System Voltage:\u003c\/strong\u003e Confirm your battery system operates at either 24V or 48V DC. This model is not suitable for 12V systems.\u003c\/li\u003e       \u003cli style=\"margin-bottom: 8px;\"\u003e \u003cstrong\u003eCurrent Requirements:\u003c\/strong\u003e Ensure the 400A continuous current rating meets or exceeds the maximum charging current of your system.\u003c\/li\u003e       \u003cli style=\"margin-bottom: 8px;\"\u003e \u003cstrong\u003eInstallation Expertise:\u003c\/strong\u003e Consider whether you have the necessary expertise for installation or if you will require a qualified installer.\u003c\/li\u003e       \u003cli\u003e \u003cstrong\u003eDocumentation:\u003c\/strong\u003e For detailed technical information, refer to the official Victron Energy datasheet and manual for the Cyrix-i 24\/48-400A.\u003c\/li\u003e     \u003c\/ul\u003e   \u003c\/div\u003e    \u003cdiv style=\"margin-top: 24px; padding: 18px 24px; background-color: #edf3f8; border: 1px solid #d8e4ee; border-radius: 0 0 4px 4px; text-align: center;\"\u003e     \u003cp style=\"margin: 0; font-size: 13px; color: #6a7f8a; font-style: italic;\"\u003eAlways consult the manufacturer's official documentation for complete specifications and installation guidelines. Product specifications are subject to change by the manufacturer.\u003c\/p\u003e   \u003c\/div\u003e  \u003c\/div\u003e","brand":"SMG 26","offers":[{"title":"Default Title","offer_id":54909621240147,"sku":"792-CYR020400000","price":109.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/victron-cyrix-2448-400a-combiner-solarika-co-uk_d340db36-e578-4a0f-bd1f-382e250cc1d7.jpg?v=1789040448","url":"https:\/\/progradewarehouse.com\/products\/victron-cyrix-24-48-400a-combiner","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}