Victron Energy Cyrix-ct 12/24V-120A intelligent battery combiner
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Victron Energy Cyrix-ct 12/24V Battery Combiner – Intelligent Automatic Battery Management
The Victron Energy Cyrix-ct 12/24V Battery Combiner is a microprocessor-controlled, heavy-duty relay that automatically connects batteries in parallel when charging and disconnects them when discharge is detected—protecting your battery system with precision and reliability.
Key Features:
-
Automatic Voltage Sensing (12/24V Auto-Ranging)
Seamlessly detects system voltage and ensures compatibility with both 12V and 24V battery systems. -
Smart Battery Monitoring
Tracks voltage trends to prevent false switching caused by sudden high loads or voltage drops from connecting large discharged batteries. -
Bidirectional Charging Detection
Detects charging from either battery, including alternators and chargers connected to accessory batteries—ensuring efficient system-wide charging. -
Minimal Voltage Loss
Unlike traditional diode isolators, Cyrix ensures virtually zero voltage drop, eliminating the need to increase alternator or charger output. -
Prioritized Starter Battery Charging
Ensures the starter battery is fully charged before engaging to charge auxiliary or house batteries. -
Start Assist Function
Manual override allows you to engage the combiner for 30 seconds to start a vehicle in emergency situations—ideal when the starter battery is low or dead. -
Thermal Protection
Automatically disconnects during high-temperature overloads and reconnects when safe operating temperature is restored. -
Optional LED Status Indicator (Model 230 only)
Provides real-time visual feedback of connection status and fault conditions. -
Long Bolt Terminals for Easy Installation
M6 bolts on the 120A model and M8 bolts on the 230A model allow connection of multiple cables. -
Safe Installation Logic
Will not close if either battery voltage is dangerously low (below 2V on 12V systems or 4V on 24V systems), preventing unsafe connections.
Perfect for marine, RV, off-grid, or dual-battery vehicle setups, the Cyrix-ct ensures your starter and auxiliary batteries are managed intelligently—without voltage drops, complexity, or unnecessary wear.
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