Victron Cyrix-i 24/48 V 400 A Batteriekoppler Trennrelais Batterieschutz – Marine Infinite Shop

Victron Energy

Victron Cyrix-i 24/48 V 400 A battery coupler isolating relay battery protection

Name: Victron Cyrix-i 24/48 V 400 A battery coupler isolating relay battery protection
Brand: Victron Energy
SKU: 300-3193
Price: 312.97 EUR
Availability: InStock

€312,97

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Cyrix-i Intelligent Battery Combiner

The Cyrix battery combiner is a high-performance microprocessor-controlled relay that automatically connects batteries in parallel when one of them reaches a predefined voltage level (indicating that the battery is charging) and disconnects them when the voltage drops below the float voltage level (indicating that one or both batteries are discharging).
Cyrix battery combiners are an excellent replacement for isolation diodes. Their main feature is that there is virtually no voltage drop, so the output voltage of the alternators or battery chargers does not need to be increased.

Product features

Maximum continuous current: 400 A
Permissible starting current (1s): 2000 A
Suitable for 24 V or 48 V systems (automatic detection)
Practically no voltage loss

New: innovative battery monitoring prevents unwanted switching operations

Some battery control relays trigger disconnections during short-term high currents. It can also happen that a large but empty battery bank cannot be connected because the voltage drop when connecting falls below the threshold for disconnection.
The software stored in the Cyrix-i does not only rely on voltage values and fixed time intervals. Instead, Cyrix-i considers the trend (voltage/time profiles) and intervenes only when the trend changes over a certain time interval. The time delay is proportional to the voltage deviation from the trend. In addition, four different switching/time profiles can be set.

Automatic range selection for 12/24V

Cyrix-i automatically detects the system voltage.

No voltage loss

The Cyrix-i battery controller is the alternative to isolation diodes. Since there is virtually no voltage loss, the usual increase in charging voltage at the alternator or charger to compensate for losses is eliminated.

Priority circuit for the starter battery

Typically, the alternator is connected directly to the starter battery. The house battery, possibly the bow thruster battery, and others are connected via Cyrix-i devices. Only when the starter battery has reached the appropriate voltage does the Cyrix-i connect the other batteries for parallel charging.

Bidirectional voltage measurement and power supply

Cyrix-i measures the voltage values of the connected battery banks. It therefore typically also reacts when the house battery is being charged by a charger. The Cyrix-i has a dual power supply. It therefore also works when one of the connected batteries has undervoltage for Cyrix-i operation.
To avoid unwanted switching operations during installation or after disconnecting the battery, Cyrix-I will not switch if the voltage value from one of the two battery connections drops to less than 4V (24V battery) or 8V (48V battery).

Emergency parallel connection

The Cyrix-i can also be switched on via a push button (Cyrix-i then remains switched on for 30 seconds). There is also a switch for manual parallel connection of the batteries. This is particularly helpful if the starter battery is flat or damaged in an emergency.

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