SKU: 93840532173

Victron Cyrix-Li-Intelligent Load Relay 12/24V-230A

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Description

Victron Cyrix-Li-Intelligent Load Relay 12/24V-230AVictron Cyrix Li load 12 24V 230A: Intelligent Load Disconnect for LiFePO4 Battery Systems Precision Protection for Your Lithium Battery Investment The Victron Cyrix Li load 12 24V 230A is a specialised intelligent load relay engineered to safeguard LiFePO4 (lithium iron phosphate) batteries from damaging under voltage conditions. Designed to integrate seamlessly with a VE. Bus BMS, this relay acts as a critical second line of defence, automatically

Victron Cyrix-Li-load 12/24V-230A: Intelligent Load Disconnect for LiFePO4 Battery Systems

Precision Protection for Your Lithium Battery Investment

The Victron Cyrix-Li-load 12/24V-230A is a specialised intelligent load relay engineered to safeguard LiFePO4 (lithium iron phosphate) batteries from damaging under-voltage conditions. Designed to integrate seamlessly with a VE.Bus BMS, this relay acts as a critical second line of defence, automatically disconnecting loads when cell voltages approach unsafe levels. By preventing deep discharge, it helps extend battery cycle life and maintain system reliability in mobile, marine, and off-grid applications.

Unlike generic voltage-sensitive relays, the Cyrix-Li-load responds directly to the BMS control signal, ensuring precise, cell-level protection rather than relying solely on overall battery voltage. This targeted approach reduces the risk of premature cell failure and the associated downtime or replacement costs.

How It Works: BMS-Driven Load Management

The Cyrix-Li-load engages when its control input receives a high signal (approximately battery voltage) from the VE.Bus BMS, allowing normal load operation. If the BMS detects an imminent cell under-voltage, it releases the control input, causing the relay to disengage and isolate the loads. This immediate response prevents further discharge and protects the cells.

After disconnection, battery voltage often recovers slightly. The Cyrix-Li-load will attempt to re-engage after a 30-second delay. If the under-voltage condition persists, it will try up to three times before locking out. To reset, the battery voltage must rise above 13 V (26 V for 24 V systems) for at least 30 seconds, indicating that charging has resumed. This intelligent logic avoids nuisance cycling while ensuring loads are only reconnected when safe.

Key Features at a Glance

  • 230 A continuous rating at 12 V or 24 V, suitable for high-demand DC loads
  • Direct BMS integration via included 1-metre control cable for precise cell-level protection
  • Low power consumption (<4 mA when open) to minimise drain on the battery
  • IP54 protection against dust and water spray, ideal for engine rooms and exposed installations
  • LED status indicator for at-a-glance monitoring of relay state and alarm conditions
  • Compact, lightweight design (65 x 100 x 50 mm, 0.27 kg) for flexible mounting
  • M8 stud terminals (approx. 5/16") accept heavy-duty lugs for secure, low-resistance connections

Built for Demanding Environments

With an IP54-rated enclosure, the Cyrix-Li-load resists dust ingress and splashing water, making it suitable for use in marine engine compartments, vehicle under-bonnet installations, and other harsh settings. The robust M8 stud terminals ensure reliable high-current connections, while the integrated transient voltage suppressor protects against spikes that can occur during sudden disconnection.

Applications: Where Precision Load Control Matters

This relay is essential in any LiFePO4 system where loads cannot be directly controlled by the VE.Bus BMS. Typical use cases include:

  • Marine and RV electrical systems – Protect house batteries from being drained by DC distribution panels, inverters, or other loads
  • Off-grid solar installations – Prevent over-discharge of lithium battery banks in remote power systems
  • Industrial and mobile equipment – Safeguard batteries in electric vehicles, forklifts, or portable power packs

For systems requiring ultra-low standby consumption, a Victron BatteryProtect may be considered as an alternative. However, the Cyrix-Li-load offers the advantage of bidirectional current flow and higher continuous current handling.

Installation and Compatibility

The Cyrix-Li-load is designed for straightforward integration with Victron VE.Bus BMS units. The included control cable connects directly to the BMS load disconnect output. Always ensure the relay is installed in a well-ventilated area and that cable sizing is appropriate for the 230 A continuous rating. Note that typical de-rating factors apply for sustained high-current operation; refer to installation guidelines for optimal performance.

Protect Your Lithium System Today

Add the Victron Cyrix-Li-load 12/24V-230A to your energy system and gain peace of mind knowing your LiFePO4 batteries are shielded from damaging under-voltage events. Order now to ensure reliable, automated load disconnection for your next project.

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SKU: 93840532173

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Reviewed in the United States on January 23, 2024
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Job Arroyo
Fort Morgan, US
★★★★★ 5
Great didactic material for preachers.
Format: Hardcover
This is a great book that provides a detailed structure with logical points. I believe it's a great tool for people aspiring to preach and also for long time preachers. Even though not everybody has a structure style, I will still consider that I must read for people that wants to do good sermons.
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Reviewed in the United States on January 19, 2026
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Travis Todd
Alexandria, US
★★★★★ 5
Purchase if you want to learn how to Preach Biblically!
Format: Hardcover
While studying Christian Ministries at Emmanuel College in GA. I was required to read Grasping God's Word by J. Scott Duvall and J. Daniel Hays for my Biblical Interpretation class. That book was so influential to my understanding on how to exegete Biblical passages. When I heard that there was a book to help me proclaim God's Word that followed the same methods, I had to purchase it. After reading the first chapter I had to email my past Professor and recommend it. Carter, Duvall, and Hays have done an excellent job equipping ministers to biblical prepare sermons that will connect with their congregations. I would highly recommend this book along with Grasping God's Word it you sense a call into the ministry or if you are Professor or Minister who teaches Homiletics/Preaching.
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Reviewed in the United States on March 18, 2018
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Jimmy R. Reagan
Lake Worth, US
★★★★★ 5
Just Right!
Format: Hardcover
Now in its second edition, this book by Terry G. Carter, J. Scott Duvall, and J. Daniel Hayes lives up to its subtitle: a hands-on approach to preparing, developing, and delivering the sermon. It strikes me as a success because of its clear value as a first textbook for someone learning how to put together a sermon. It does better than most at keeping a big-picture view as it assembles the pieces of the sermon. There are other books that, perhaps, dive deeper into the details – the works of Jerry Vines comes to mind – but this one may be “just right” for a wide array of readers. The book is divided into three parts: eight chapters on developing and preaching a sermon, three chapters on preaching the New Testament, and four chapters on preaching the Old Testament. Duvall and Hays had earlier produced a hermeneutics textbook entitled Grasping God’s Word, which is also published by Zondervan, so this book assumes an understanding of hermeneutics and goes straight into putting together a sermon after that work has been done. The first chapter introduces their 11-step sermon process. Chapter 2 covers the first five steps: grasp the meaning of the text in their town, measure the width of the interpretive river, cross the principlizing bridge, consult the biblical map, and grasp the text in our town. As you can see, they word this information in practical terms aimed at our maximum understanding. Again, they avoid being either too shallow or too deep and succeed at being “just right”. After all that wonderful help for putting the sermon together, the other two parts on the Old and New Testaments look at the genres and their unique challenges for the preacher found in each. Most of these were wonderful. The value of the chapter on preaching Revelation might correspond to your own prophetic viewpoint. Actually, they tell you that that might be the case when you preach the Book of Revelation. If you’ve been called to preach and are trying to figure out how to put a sermon together, you owe it to yourself to check this book out. I received this book free from the publisher. I was not required to write a positive review. The opinions I have expressed are my own. I am disclosing this in accordance with the Federal Trade Commission’s 16 CFR, Part 255.
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Reviewed in the United States on May 22, 2018

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