{"product_id":"victron-cyrix-li-intelligent-load-relay-12-24v-120","title":"Victron Energy - 12\/24V - Cyrix-Li Intelligent Load Relay 12\/24V-120A","description":"\u003ch2\u003eVictron Cyrix-Li 120A Load Relay: Advanced LiFePO4 Protection\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eVictron Cyrix-Li-load 12\/24V-120A\u003c\/strong\u003e is an intelligent, heavy-duty relay designed specifically to protect Victron LiFePO4 batteries from damaging deep discharge. While Victron lithium batteries feature integrated cell balancing, a robust second line of defence is essential for long-term battery health. Working seamlessly with the Victron VE.Bus BMS, this load relay automatically disconnects non-smart loads when cell undervoltage is imminent, ensuring your expensive lithium bank remains safe from permanent degradation.\u003c\/p\u003e\n\u003ch3\u003eIntelligent Load Management via VE.Bus BMS\u003c\/h3\u003e\n\u003cp\u003eIn advanced power systems found in caravans, marine vessels, and remote off-grid setups, not all connected loads can be directly controlled by a Battery Management System. The Cyrix-Li-load bridges this critical gap. When the VE.Bus BMS detects an unsafe drop in individual cell voltage, the control input to the Cyrix becomes free-floating. The relay immediately disengages, cutting power to the heavy loads before the battery reaches a critical state.\u003c\/p\u003e\n\u003cp\u003eOnce the battery voltage recovers, which typically occurs after the load is removed or a charging cycle begins, the BMS output resets. The Cyrix-Li-load is programmed to wait 30 seconds before re-engaging to prevent rapid, erratic cycling. If it makes three attempts to reconnect without success, it will remain locked open until the battery voltage rises above 13V for 12V systems, or 26V for 24V systems, for at least 30 seconds, confirming that a sustained recharge is actively underway.\u003c\/p\u003e\n\u003ch3\u003eAddressing Transient Voltages and System Safety\u003c\/h3\u003e\n\u003cp\u003eWhen disconnecting heavy loads rapidly under fault conditions, significant voltage spikes can occur. This intelligent relay includes advanced internal circuitry to manage these electrical transitions safely. By cleanly severing the connection to demanding appliances, it protects both the lithium battery cells and the sensitive electronics connected to your broader DC distribution network.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the Cyrix-Li Range\u003c\/h3\u003e\n\u003cp\u003eVictron manufactures several versions of the Cyrix-Li relay to perform highly specific tasks within a LiFePO4 ecosystem. While the Cyrix-Li-Charge governs charging sources and the Cyrix-Li-ct handles battery combining, the \u003cstrong\u003eCyrix-Li-load\u003c\/strong\u003e is exclusively dedicated to output protection. This strict separation of duties ensures that if an overvoltage event stops your charge cycle, your critical loads can remain powered, and vice versa. Selecting the correct purpose-built relay ensures your VE.Bus BMS functions exactly as intended without compromise.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Voltage Detection:\u003c\/strong\u003e Smart 12V and 24V auto-ranging capability for simplified system integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Capacity:\u003c\/strong\u003e Rated for up to 120A continuous load handling for demanding equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect VE.Bus BMS Integration:\u003c\/strong\u003e Responds instantly to BMS signals to prevent catastrophic cell undervoltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Cycling Logic:\u003c\/strong\u003e Built-in 30-second delay and specific voltage thresholds prevent rapid on\/off switching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Terminals:\u003c\/strong\u003e Equipped with robust M8 threaded bolt terminals for highly secure, low-resistance connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFail-Safe Protection:\u003c\/strong\u003e Disengages immediately if the control input becomes disconnected or free-floating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSecure Your Power System Today\u003c\/h3\u003e\n\u003cp\u003eEnsure the longevity and reliability of your Victron lithium battery bank by integrating the correct protection devices. Upgrade your power management system with the Victron Cyrix-Li Intelligent Load Relay and safeguard your off-grid energy storage.\u003c\/p\u003e\n\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;\"\u003eCyrix-Li-load 12\/24-120\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;\"\u003eContinuous \/ Breaking Capacity At 12 V Or 24 V\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e120 A\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;\"\u003eBreaking Capacity At 48 V\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e40 A\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;\"\u003eControl Input Behaviour\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eEngages when the control input is high (approximately battery voltage); disengages when the control input is free floating or pulled low.\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;\"\u003eOpen-State Current Draw\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e\u0026lt;4 mA\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 Rating\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003eIP54\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;\"\u003e0.11 kg (0.24 lbs)\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 (H x W x D)\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #d9d9d9; padding:8px; vertical-align:top;\"\u003e46 x 46 x 80 mm (1.8 x 1.8 x 3.2 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Victron","offers":[{"title":"Default Title","offer_id":52364357370139,"sku":"Vic-CYR010120450","price":90.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0854\/3354\/9083\/files\/Vic-CYR010120450-01.jpg?v=1781658039","url":"https:\/\/www.nbcampingequipment.com.au\/products\/victron-cyrix-li-intelligent-load-relay-12-24v-120","provider":"NB Camping Equipment","version":"1.0","type":"link"}