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Victron Cyrix-Li-Intelligent Load Relay 24/48V-230A

230A VE.Bus BMS Controllable Lithium Load Disconnect Switch


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DESCRIPTION

Intelligent Load Management for 24V and 48V Lithium Systems

Protecting your heavy-duty lithium battery bank is critical for long-term performance and reliability. The Victron Cyrix-Li-load 24/48V 230A relay module acts as a crucial second line of defence for your LiFePO4 batteries, stepping in where standard cell balancing finishes. Designed to communicate directly with a Victron VE.Bus BMS, this high-capacity disconnect switch ensures your power system remains safe from the damaging effects of cell under-voltage.

When running high-draw applications in marine vessels, off-grid cabins, or advanced mobile setups, not all connected appliances or inverters can be controlled directly by the BMS. This intelligent relay bridges that gap, allowing you to safely shut down non-compliant loads before they drain your cells below safe thresholds. Unlike standard battery combiners or charge relays, the Cyrix-Li-load is strictly dedicated to managing outbound power, severing the connection to your heavy consumers the moment safety limits are approached.

Precision Automated Load Disconnection

The operation is straightforward but highly effective. The relay module will instantly disengage the connected load when its control input from the VE.Bus BMS becomes free-floating, signalling an imminent cell under-voltage event. This rapid response prevents deep discharge, significantly extending the lifespan of your expensive battery bank.

Once the system detects that the battery voltage has recovered, such as when other loads drop off, the BMS output resets to high. The unit will then automatically attempt to re-engage the connection after a 30-second delay. To prevent rapid cycling, it limits itself to three re-engagement attempts before locking out. It will then remain disengaged until the battery voltage definitively rises to more than 26V or 52V (depending on your system voltage) for at least 30 seconds, indicating that the battery is actively being recharged.

Robust Hardware and Diagnostic Feedback

Using a standard, generic relay in a highly sensitive lithium setup can introduce severe risks, including failure to disconnect under load or delayed responses that lead to irreversible battery damage. By using a purpose-built Victron relay module, you ensure precise synchronisation with your system architecture.

Built for demanding power environments, this switch handles up to 230 amps of continuous current, making it ideal for substantial off-grid energy networks. It features heavy-duty M8 stainless steel main terminal bolts for secure, high-current load connections.

System troubleshooting is also simplified through a built-in bi-colour LED indicator, providing immediate visual feedback on the operational status. You can quickly identify if the relay is actively engaged, disconnecting, attempting to connect, or triggering an alarm code for scenarios like extreme temperatures or extreme voltage fluctuations.

Key Features

  • Designed for seamless integration with the Victron VE.Bus BMS
  • Safeguards LiFePO4 batteries against destructive under-voltage conditions
  • High-capacity 230A continuous current rating for heavy-duty applications
  • Compatible with both 24V and 48V DC battery systems
  • Automated safety lock-out prevents rapid switching during low voltage events
  • Clear LED status indicator for real-time diagnostic feedback
  • Robust M8 stainless steel terminals for secure high-current connections

Enhance Your Lithium Power Protection

Ensure your valuable energy storage is fully protected against deep discharge. Add this intelligent load relay to your 24V or 48V Victron energy system today for reliable, automated battery management and peace of mind.


SKU: Vic-CYR020230450

SPECIFICATIONS

Specifications

ModelCyrix-Li-load 24/48-230
Continuous Current And Breaking Capacity At 12 V Or 24 V230 A
Breaking Capacity At 48 V80 A
LED Status IndicationYes
Control CableIncluded (length 1 m)
Control InputThe Cyrix engages when the control input is high (Approx. Battery Voltage). The Cyrix disengages when the control input is left free floating or pulled low.
Re-engage After DisconnectionAfter 30 seconds. After 3 attempts to reengage, the Cyrix will remain disengaged until battery voltage has increased to more than 26 V or 52 V during at least 30 seconds.
Current Consumption When Open<4 mA
Protection CategoryIP54
Weight0.27 kg (0.6 lbs)
Dimensions H x W x D65 x 100 x 50 mm (2.6 x 4.0 x 2.0 inches)

SKU: Vic-CYR020230450
Barcode: 8719076022299
Model #: CYR020230450
MPN: CYR020230450

WARRANTY

Victron Energy Limited Warranty Policy

Victron Energy warrants its products to be free from defects in workmanship and materials for a period of 5 years from the date of purchase by the end user, with a maximum of 66 months from the Victron Energy invoice date. Exceptions on this are: lead acid batteries; 2 years from date of purchase by the end user, with a maximum of 30 months from the Victron Energy invoice date, Lithium-ion batteries; 3 years from date of purchase by the end user. In addition to this proof of correct battery usage is required when making a battery warranty claim.

During this period, Victron Energy will, at its option, repair or replace the defective product free of charge. The warranty does not include performing or reimbursing de‐installation, transportation and re‐installation. This warranty will be considered void if the unit has suffered any physical damage or alteration, either internally or externally, and does not cover damages arising from improper use like: • Reverse of battery polarity. • Inadequate connection. • Mechanical shock or deformation. • Contact with liquid or oxidation by condensation. • Use in inappropriate environment (dust, corrosive vapor, humidity, high temperature, biological infestation...). • Breakage or damage due to lightning. • Connection terminals and screws destroyed or other damages, like overheat, due to insufficient tightening. • For any electronical breakage except due to lightning (reverse polarity, over‐voltage due to external cause), the state ofthe internal control diode and of the inputs/output X and Y capacitors determine the warranty.

This warranty will not apply where the product has been misused, neglected, improperly installed, or repaired by anyone else than Victron Energy or one of its authorized Qualified Service Partners. In order to qualify for the warranty, the product must not be disassembled or modified.

Repair or replacement are our sole remedies and Victron Energy shall not be liable for damages, whether direct, incidental,special, or consequential, even caused by negligence or fault.

Victron Energy owns all parts removed from repaired products. Victron Energy uses new or reconditioned parts made by various manufacturers in performing warranty repairs and building replacement products. If Victron Energy repairs or replaces a part of a product, its warranty term is not extended. In case of replacement the new component has a warranty of 6 months, without effect on the initial warranty period. All remedies and the measure for damages are limited to the above. Victron Energy shall in no event be liable for consequential, incidental, contingent orspecial damages, even if having been advised of the probability of such damages. Any and all other warranties expressed or implied arising by law, course of dealing, course of performance, usage of trade or otherwise, including but not limited to implied warranties of merchantability and fitness for a particular purpose, are limited in duration to a period of two (2) years from the date of purchase.

Life Support Policy As a general policy, Victron Energy, does not recommend the use of any of its products in life support applications where failure or malfunction of the Victron Energy's product can be reasonably expected to cause failure of the life support device or to significantly affect its safety or effectiveness. Victron Energy does not recommend the use of any of its products in direct patient care. Victron Energy will not knowingly sell its products for use in such applications unless it receives in writing assurances satisfactory to Victron Energy that the risks of injury or damage have been minimized, the customer assumes all such risks, and the Liability of Victron Energy is adequately protected under the circumstances.

As a product requires service, it must be brought back to the place of purchase. In case no contact can be taken with the merchant, or if he is either unable or not allowed to provide service, direct contact should be taken with Victron Energy.

Warranty on Repairs The warranty period on products or on printed circuits boards repaired by Victron Energy as well as on printed circuit boards for replacement is 6 months from delivery by Victron Energy.

Transport It is the responsibility of the sender to sufficiently package these products. The transport must be organized in a way to avoid any damage, especially when a single unit or heavy unit is sent.

Severability If a part of the terms and conditions set out above is held invalid, void or unenforceable due to any particular national or international legislation, it shall not affect other parts of the terms and conditions remaining.

For Australia only Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Exotronic provides high-quality products and solutions tailored for B2B and commercial customers, including commercial businesses, caravan manufacturers, marine electricians, OEMs, as well as emergency services, and more.

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