Disjoncteur thermique avec voyant LED, réarmement manuel, 60A à 300A protection systèmes électriques bateau rv camion

Waterproof Thermal Breaker 60-300A 12V to 48V | Panel Mount. Ideal for surge protection on boat, rv, trucks

Disjoncteur Thermique 12V-48V, 60A-300A Etanche avec indicateur LED montage panneau integrer pour bateau et camping car

Thermal Circuit Breaker 60A-300A with LED | Panel Mount

SKU: CBL60I

21.50€; 21.50€
Unit price: per

Rated Current: 60A 60A 120A 200A 250A 300A

Product variants

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Description
Specification
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BAYWATT — Flush-Mount Marine DC Circuit Breaker

BAYWATT
60A–300A
Panel / Flush Mount
12V–48V DC by Rating
LED Trip Indication
See Specs ↓

Build a clean, protected helm station with a flush-mount marine DC circuit breaker. Designed to install through a dashboard, electrical panel or control console, it protects high-current 12V, 24V and 48V DC circuits for battery banks, inverter inputs, windlasses, anchor winches, bow thrusters and main DC distribution.

This panel-mount thermal breaker is available from 60A to 300A and combines automatic overload protection with a manual reset. When the breaker trips, its front LED shows the open circuit immediately—ideal for battery control panels, boat switchboards and service areas where clear fault status matters.

High-current DC protection, neatly integrated into the panel. This resettable breaker can be used for battery protection, inverter protection, windlass circuit protection or a high-power DC distribution feed.

Flush / panel-mount format for dashboards and electrical panels
Thermal overcurrent trip with front-access manual reset
LED illuminates when the breaker has tripped
IP66 front protection for marine environments
Stainless-steel M6 or M10 studs, depending on the rating

Correct breaker sizing matters: when an equipment manufacturer does not state a required rating, selecting a breaker approximately 25–30% above the known continuous current is usually appropriate. This provides margin for normal load and permitted short motor or inverter surges, while retaining effective protection—provided the breaker remains below the protected cable's safe ampacity and is rated for the system voltage.

Designed for Helm Panels & DC Power Distribution

Professional Panel Integration The flush-mount format gives a boat dashboard, electrical control panel or machinery console a clean, accessible high-current protection point.

Instant Trip Status The LED makes an open circuit easy to identify at a glance, while the reset button is accessible from the front of the panel after the fault is resolved.

Marine-Ready Reliability IP66 protection, corrosion-resistant terminals and an operating range from −32°C to +82°C support dependable service aboard boats, RVs and mobile equipment.

Select the Right Panel-Mount Breaker

60A / 120A

12V, 24V or 48V DC systems
Panel-fed DC distribution circuits
Small and medium inverter inputs
Battery charging and auxiliary power circuits
Equipment with a recommended protection rating in this range

200A

12V or 24V DC systems
High-current inverter supply
24V windlass or electric winch circuits
House-battery main feeds
High-output charging equipment

250A / 300A

12V DC systems only
Heavy-duty 12V windlasses and winches
12V bow thrusters
Large 12V inverter inputs
Main 12V battery-bank protection

The examples above are general guidance. Final breaker selection must account for the equipment's maximum current, the cable cross-section, allowed surge current, system voltage and the manufacturer's stated requirements.

Installing a Flush-Mount DC Circuit Breaker

Confirm the system voltage. The 60A and 120A models are suitable for 48V systems; ratings up to 200A are suitable at 24V, and ratings up to 300A are suitable at 12V.
Choose the protected circuit. Install the breaker in the positive supply conductor for the battery, inverter, windlass, DC distribution feed or other circuit to be protected.
Determine normal operating current. Refer to the equipment data sheet or measure the continuous load. Allow for specified, short-duration motor and inverter startup current.
Size the breaker to protect the conductor. Follow the equipment maker's stated requirement where available. The selected rating must never exceed the safe ampacity of the smallest cable in the protected circuit.
Mount it in a suitable panel location. Keep the reset button accessible and protect terminal connections against accidental contact, moisture and mechanical strain.
Use marine-grade connections. Fit correctly sized tinned-copper lugs, heat-shrink insulation and cable support. Tighten terminals to the specified torque and inspect them periodically.

Do not oversize to stop a recurring trip: a breaker that repeatedly opens can point to overload, incorrect cable sizing, excessive motor load, loose terminals, faulty equipment or a short circuit. Isolate the battery and correct the root cause before resetting the circuit.

Why Use a Resettable Breaker in a Boat Electrical Panel?

High-current DC circuits can heat cables, damage battery equipment and create fire risk very quickly. A correctly selected thermal circuit breaker provides automatic overcurrent protection and a visible, reusable service point—without the need to replace a fuse after every trip.

Battery banks: protection of the main positive conductor for lithium, AGM and lead-acid battery installations.
Inverter panels: DC input protection between the battery bank and a 12V, 24V or 48V inverter.
Windlass and winch panels: accessible circuit protection for anchor winches and other demanding DC motor loads.
Bow-thruster circuits: high-current protection for correctly rated 12V and 24V systems.
Marine electrical panels: protected feeds for switchboards, charging equipment and high-power auxiliary circuits.

Breaker or battery switch? This product is a protective, manually resettable circuit breaker. It should not replace a dedicated battery isolator where routine battery disconnection or emergency isolation is required.

Complete Your Marine Electrical Panel

Surface-mount alternative: for installation on a bulkhead, battery box or external surface, see our LED thermal breaker 60A–300A (surface mount).

Compact circuit protection: for lower-current circuits and smaller panels, see our mini thermal breakers 30–60A.

Frequently Asked Questions

Can I install this breaker in my dashboard or boat switch panel?

Yes. This is the panel / flush-mount version, intended for a dashboard, electrical panel or control console. Ensure the rear terminals are protected from moisture, strain and accidental contact.

Can it protect a windlass or anchor winch?

Yes, if its current rating, system voltage and cable size match the windlass requirement. Always use the windlass manufacturer's recommended protection rating first. The 250A and 300A versions are for 12V systems only.

Can I use it for battery-to-inverter protection?

Yes. Select the breaker according to the inverter's maximum DC input current, the cable's safe ampacity and the system voltage. At 48V, use only the 60A or 120A versions.

Is a 30% larger breaker still safe?

For a known continuous load, approximately 25–30% headroom is normally acceptable for permitted short surges. The breaker must remain below the cable's safe current rating and must not conflict with the equipment manufacturer's specified protection rating.

Why is the LED on?

The LED indicates that the thermal breaker has tripped and the circuit is open. Identify and correct the overload or fault before pressing the manual reset.

View Specifications Review Installation

Need help selecting a flush-mount battery, inverter or windlass circuit breaker? BAYWATT support can help identify the right rating.

Specification

Flush-Mount Marine DC Circuit Breaker — Technical Specifications

BAYWATT
CBL60I to CBL300I
Panel / Flush Mount
Manual Reset T3
Rating Guide ↓

Specification	CBL60I	CBL120I	CBL200I	CBL250I	CBL300I
Current rating	60A	120A	200A	250A	300A
Maximum system voltage	12V / 24V / 48V DC	12V / 24V / 48V DC	12V / 24V DC	12V DC	12V DC
Connection stud	M6	M6	M10	M10	M10
Weight	69 g	69 g	103 g	103 g	103 g

Type	Single-pole thermal DC circuit breaker, manual reset, class T3
Mounting	Panel / flush mount
Terminal torque	11.3 Nm (M6 versions) / 17 Nm (M10 versions)
Interrupting capacity	3.5 kA at 48V DC / 5 kA at 18V DC
Operating temperature	−32°C to +82°C
Protection rating	IP66
Ignition protection	ISO 8846
Dimensions	74 × 48.4 × 46 mm
Stud centre distance	57 mm
Warranty	1 year

Voltage & Amperage Selection Overview

System voltage	Available breaker ratings	Typical panel-mounted DC applications
12V DC	60A, 120A, 200A, 250A, 300A	Battery and inverter panels, windlasses, winches, bow thrusters and high-current DC distribution
24V DC	60A, 120A, 200A	Inverters, 24V windlasses, battery banks and high-power DC distribution panels
48V DC	60A, 120A	48V battery systems, inverter inputs, charging circuits and auxiliary DC panels

Sizing reminder: the final circuit-breaker choice depends on continuous current, permitted surge, cable ampacity, cable length, system voltage, ambient conditions and the equipment manufacturer's instructions. The breaker must protect the conductor as well as the connected equipment.

Safety warning: battery banks can deliver extremely high fault current. Before installing, servicing or resetting a high-current DC circuit, isolate the battery bank and every charging source. If in doubt, consult a qualified marine electrician.

Installation Guidelines

For selection help, contact BAYWATT with your system voltage, equipment current and cable cross-section.

How to use

How to use :

Discover tips, tricks, and detailed instructions on using our product in our dedicated blog post. Learn about setup, operation, and optimization to get the most out of your purchase.

Link to the blog

FAQ

Frequently Asked Question

What's the difference between a Thermal Breaker and a Differential Breaker?

Thermal Breaker: This device protects your electrical equipment from damage caused by overloads and short circuits. It operates by sensing excessive heat generated by high current flow and automatically trips to open the circuit.
Differential Breaker (RCD): An RCD is a critical safety device that protects people from electric shock and prevents fires caused by current leakage. It works by detecting an imbalance in current and is typically used in AC (alternating current) systems.

How do I choose the correct size for my thermal breaker?

To choose the correct thermal breaker size, you need to determine the maximum continuous amperage of the electrical device you want to protect. The breaker's amperage rating should be slightly higher than the device's normal operating current to prevent nuisance tripping, but low enough to protect the circuit from damage.

Key Principle: The thermal breaker should be sized to protect the weakest link in the circuit, which is usually the smallest gauge wire.

Recommendation: A good rule of thumb is to choose a breaker that is about 15-20% larger than the expected continuous current draw of the device.

How to Test a Thermal Breaker?

To check if your thermal breaker is working correctly, you can use the built-in features of your model.

Check the LED: Your thermal breaker is equipped with an integrated LED. When the breaker is triggered due to an overload or short circuit, the LED will light up, visually confirming that the circuit is open. If the breaker trips and the LED does not light up, this indicates a power issue on the input side of the breaker.
Verify Power Supply: If the LED does not light up after a trip, check your battery switch to ensure it is on and verify that the battery is properly connected to the breaker's input. The breaker requires power to illuminate the LED, so an unlit LED can be a simple diagnostic for power loss.

How to Install Thermal Breaker?

A thermal breaker should always be installed on the positive (+) signal of the circuit you want to protect. The most effective placement is as close as possible to the power source (e.g., the battery) to safeguard the entire length of the cable running to the device.

For example:

For an Inverter: Place the breaker on the positive cable directly before the inverter's input terminal.
For a Windlass: If the cable runs across the boat, install the breaker close to the battery to protect the entire cable run from any potential fault.

Why is the "Ignition Protected" feature important for a boat?

The Ignition Protect ISO 8846 certification is a crucial safety standard for any electrical component installed in an enclosed space where gasoline vapors might be present, such as an engine compartment. This certification guarantees that the product will not generate a spark or heat that could ignite flammable gases, thus significantly reducing the risk of fire or explosion on board.

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