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Cyrix-Li-load 24/48V-120A intelligent load relay

$116.00 (inc. GST)

The Cyrix-Li-load 24/48V-120A intelligent load relay is a similar type of relay as the Cyrix-Li-load 12/24V-120A, but it is designed to be used with 24V and 48V electrical systems.

Like its counterpart, this intelligent load relay is capable of handling loads up to 120 amps and features automatic disconnection of the load from the battery if the battery voltage drops below a certain level. It also has built-in protections, such as reverse polarity protection and over-temperature protection, to ensure safe and reliable operation.

SKU: CYR020120450 Categories: ,

The Cyrix Battery Combiner is a microprocessor controlled heavy duty relay that automatically connects batteries in parallel when one of them has reached a pre-set voltage (indicating that the battery is being charged), and disconnects when the voltage decreases below float level (indicating that one or more batteries are being discharged). Cyrix Battery Combiners are an excellent replacement for diode isolators. The main feature is that there is virtually no voltage loss so that the output voltage of alternators or battery chargers does not need to be increased.

The LiFePO4 battery: preventing cell under voltage, overvoltage and over temperature
The first line of protection is cell balancing. All Victron LiFePO4 batteries have integrated cell balancing.
The second line of protection consists of:
- shut down of the load in case of imminent cell under voltage, and
- shut down or reduction of the charging current in case of imminent cell over voltage, high temperature (>50°C) or low temperature (<0°C).
The VE.Bus BMS is the core of the second protection line.
However, not all loads or chargers can be controlled directly by the VE.Bus BMS.
In order to shut down such loads or chargers several VE.Bus BMS controllable Cyrix switches are available.

Cyrix-Li-load
The Cyrix-Li-load will disengage when its control input becomes free floating.
If the battery voltage recovers after disconnection (which will happen when no other loads are connected to the battery), the output of the BMS will become high and the Cyrix will reengage after 30 seconds. After 3 attempts to reengage, the Cyrix will remain disengaged until battery voltage has increased to more than 13 V (resp. 26 V or 52 V) during at least 30 seconds (which is a sign that the battery is being recharged).
Alternatively, a BatteryProtect can be used (advantage: very low power consumption).

Additional information

Voltage

24/48V

Brand

Victron Energy

Size

120A

Width

46mm

Height

46mm

Length/Breadth/Depth

80mm

Weight

110g

Weight(kg)

0.300