Lewmar 110AMP Circuit Breaker
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Lewmar 110AMP Circuit Breaker Product Description
Essential Protection for Your Boat's Windlass System
Operating a windlass under heavy loads—like hauling up a storm anchor in rough seas—puts immense strain on your boat's electrical system. Without reliable safeguards, a single overload can fry wiring, damage your motor, or spark a fire hazard. That's where a robust 110 amp circuit breaker steps in, acting as the first line of defense for demanding marine applications.
Engineered for real-world boating challenges, this breaker delivers automatic reset functionality after cooling down, minimizing downtime during critical moments. Boaters who've swapped out flimsy fuses swear by its durability, especially on larger vessels where windlass draw spikes unpredictably.
Standout Features Tailored for Marine Reliability
- High-Capacity 110 Amp Rating: Handles the peak power needs of heavy-duty windlasses without nuisance tripping during normal operation.
- Thermal-Magnetic Design: Combines instant magnetic response to short circuits with thermal protection against sustained overloads, ensuring comprehensive circuit safety.
- Automatic Reset Mechanism: Trips on fault, then resets once conditions normalize—no manual intervention required mid-voyage.
- Corrosion-Resistant Housing: Built with marine-grade materials to withstand saltwater spray, humidity, and vibration from engine rumble.
- Compact Stud Mount: Easy integration into tight electrical panels without sacrificing accessibility for inspections.
Unlike basic automotive breakers, this marine-specific unit thrives in harsh environments, backed by proven performance on everything from weekend cruisers to offshore fishing rigs.
Perfect Fit for Popular Windlass Setups
Designed as a direct replacement for common windlass circuits, it pairs seamlessly with systems drawing up to 110 amps. Ideal for mid-to-large bow rollers where gypsy and motor combos pull serious current.
Quick Compatibility Check
- Matches most DC windlass motors in the 12V or 24V range.
- Supports vertical or horizontal mounting orientations.
- Compatible with lead-acid, AGM, or lithium battery banks when properly sized.
Step-by-Step Installation Tips
- Power down the entire system and disconnect batteries to avoid arcs.
- Locate your existing breaker or fuse block near the windlass control solenoid.
- Unbolt the old unit, noting wire polarity (positive lead typically to the load side).
- Secure the new breaker with M8 studs, torquing to spec for vibration resistance.
- Test under light load first, then simulate full anchor retrieval.
Pro tip: Always fuse your battery positive lead upstream for layered protection. This setup has saved countless skippers from electrical gremlins during unexpected squalls.
Long-Term Maintenance and Common Fixes
To maximize lifespan, inspect terminals annually for corrosion—clean with a baking soda scrub and dielectric grease. Monitor for unusual heat during operation, which signals undersized wiring.
Troubleshooting Quick Guide
| Symptom | Possible Cause | Solution |
|---|---|---|
| Frequent tripping | Overloaded circuit or seized windlass | Check motor bearings; verify wire sizing |
| No reset after trip | Excessive ambient heat | Improve ventilation around breaker |
| Intermittent faults | Loose connections | Re-torque studs; use lock washers |
With proper care, expect years of trouble-free service, far outlasting disposable fuses.
Frequently Asked Questions
What makes this circuit breaker suitable for windlasses?
Its 110 amp rating and thermal-magnetic trip mechanism handle the high inrush currents and sustained loads typical of anchor windlasses, providing reliable protection without false trips.
Does it auto-reset, or do I need to push a button?
Yes, it features automatic thermal reset after cooling, ideal for remote windlass locations where manual access is inconvenient.
Can I use it with 24V systems?
Absolutely, it's rated for standard marine DC voltages including 12V and 24V, as long as the total current doesn't exceed 110 amps.
How do I mount it in my electrical panel?
It uses standard M8 stud terminals for secure, vibration-proof mounting. Vertical or horizontal orientation works fine.
Is it waterproof for deck exposure?
While splash-resistant, for full submersion risk, enclose in a drip-proof box. Its housing repels corrosion from salt air effectively.
What if it trips too often?
Inspect for wiring voltage drop, motor issues, or undersized cables. Often, upgrading to heavier gauge wire resolves it.
110 amp circuit breaker for windlass's.
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Frequently Asked Questions (FAQ) About Lewmar 110AMP Circuit Breaker
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Lewmar 110AMP Circuit Breaker Technical Specifications
| Type: | |
|---|---|
| Vendor: |
Lewmar |
| Weight: |
1.0 lb |
Lewmar 110AMP Circuit Breaker User Reviews
Lewmar 110AMP Circuit Breaker Shipping & Return
| Shipping Weight: |
1.0 lb |
|---|---|
| Box Sizes: |
1.00 (h) x 1.00 (w) x 1.00 (l) |
| Cubic Feet: |
1.0 |
| Returnable: |
Yes |
| USPS First Class: |
Yes |
| P65: |
Yes |
For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.