

FlexMod LITTELFUSE® - Isolator controller
The FlexMod LITTELFUSE® Isolator Controller is a smart electronic device designed to safeguard your boat’s battery system and ensure reliable power management on board.
- Autoranging design automatically senses system voltage (12V or 24V) for seamless integration.
- Preserves the main starting battery by isolating the auxiliary battery when voltage drops below a critical level.
- Automatically reconnects battery banks once voltage returns to an optimal range.
- Compatible with electronically controlled alternators, ensuring smooth operation.
- Eliminates false battery warnings caused by traditional diode isolators.
- Protects connected devices from overcurrent, enhancing overall system safety.
Product Details
• Disconnect Voltage: 12.7 to 25.4 V
• Connect Voltage: 13.2 to 26.4 V
• Overcurrent Protection: 15 A
• Ingress Protection Rating: IP67
• ensuring dust-tight and waterproof performance
• Optional Deutsch Connector Available: Model 14.921.32
General
In Short
for boaters who depend on their equipment, their knowledge — and the sea itself. For those who maintain, repair, improve, and trust their vessels.

FlexMod LITTELFUSE® - Isolator controller
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