Enhance the reliability and safety of your boat’s electric winch system with the Lewmar ELS Electric Load Sensing control box. Designed for marine enthusiasts who demand precision and protection during anchoring or sail handling, this unit intelligently monitors load levels to prevent overloads, ensuring your gear operates smoothly even in demanding conditions. Whether you’re managing heavy ground tackle offshore or fine-tuning sheets in a stiff breeze, it delivers peace of mind by automatically halting operations before damage occurs.
How the Lewmar ELS Control Box Safeguards Your Winch
The core of this control box lies in its advanced overload protection mechanism. It senses the electrical load in real-time, allowing the winch to power through up to its rated safe working capacity. Exceed that threshold—say, from a stubborn anchor fouled in rocky seabeds—and it instantly disengages the motor, averting strain or burnout. Ease off the tension, and it resets seamlessly for continued use.
Layered on top is a motor thermal trip feature, which detects excessive heat buildup from prolonged operation. This acts as a built-in failsafe, cutting power to protect the winch motor during extended hauls or high-ambient-temperature environments common on deck. Boaters report fewer service calls and longer equipment life after installing this smart controller.
Standout Features for Everyday Boating Demands
Load-Optimized Performance: Runs winches flawlessly within safe limits, maximizing efficiency for sizes 40 through 80.
Auto Cut-Out Protection: Instant shutdown on overload prevents mechanical stress and costly repairs.
Thermal Overheat Defense: Monitors motor temperature to avoid heat-related failures during intensive sessions.
Quick Setup: Professional-grade install in about 30 minutes, minimizing downtime at the dock or yard.
Rugged Marine Build: Engineered to withstand saltwater exposure, vibrations, and harsh UV conditions.
Simple Installation for Seamless Integration
Getting this control box up and running is straightforward, ideal for weekend warriors or seasoned skippers. Mount it in a dry, accessible spot near the winch power source—think below decks or in a dedicated electrical locker. Connect the wiring harness to your existing ELS-compatible winch, ensuring polarity matches and fuses are appropriately rated. Test under light load first to verify sensing calibration. Pro tip: Use marine-grade tinned wire to combat corrosion, and label connections for future maintenance. Total time? Under half an hour for most setups.
Quick Pro Tips
Double-check battery voltage stability before powering on—low voltage can mimic overload signals.
Pair with a dedicated circuit breaker for layered protection.
Position away from heat sources like engines to optimize thermal sensing accuracy.
