Skip to content
📦 WAREHOUSE IN FRANCE ⚡ EU FAST SHIPPING 🛒 Fill Your Cart & Get free Shipping - Location may apply

Automatic and Manual Reset Stud Fuse Breakers: Benefits & Uses

23 Nov 2024

Everything You Need to Know About Automatic and Manual Reset Stud Fuse Breakers

Resettable stud fuse breakers are essential for protecting electrical circuits. Whether you own a boat, jet ski, or lithium battery system, these breakers provide a practical and cost-effective solution to safeguard your equipment against overloads and short circuits.

What is a Resettable Stud Fuse Breaker?

A stud fuse breaker is a protective device that automatically interrupts the electrical current during an overload or short circuit. Unlike traditional fuses, which must be replaced after each incident, these breakers are reusable and resettable in two ways:

Automatic Reset Breaker

Automatic reset: The breaker resets itself once the circuit stabilizes, ensuring a quick return to normal without human intervention.

Manual Reset Breaker

Manual reset: The user must press a button to restore the circuit, allowing for problem inspection before reactivation.

These breakers are particularly suitable for complex systems requiring continuous protection. Unlike ATO/Maxi fuses, they don’t need additional holders, saving weight and space, making them ideal for electrical harnesses onboard.

Marine Applications of Resettable Stud Fuse Breakers

Resettable stud fuse breakers play a vital role in marine electrical systems. They are widely used across motorboats, sailboats, yachts, and dinghies, ensuring safety and reliability for onboard systems.

1. Protection for Electrical Harnesses

Electrical harnesses onboard connect key systems like lighting, pumps, and navigation devices. Without protection, an overload or short circuit could damage the wiring or even cause a fire.

Harness Protection

Breakers installed along the harness immediately cut the current during an incident, safeguarding cables and reducing risks of serious damage.

2. Installation Behind Switch Panels

Control panels at the helm or cabin centralize electrical commands. Breakers protect circuits connected to switches, ensuring navigation systems, deck lights, and bilge pumps remain safe while faults are easily identifiable.

3. Protection for Sensitive Electronics

Devices like GPS, radar, and depth sounders are prone to power fluctuations. Breakers installed upstream of these devices ensure immediate power cutoff during anomalies, preventing irreversible damage.

4. Use on Electric Dinghies

Smaller vessels with electric motors and lighting systems benefit from these breakers, offering enhanced safety in environments exposed to water and vibrations.

5. Solar Panel and Charging Circuit Protection

Modern boats with solar systems require protection to avoid reverse currents damaging batteries or panels. Breakers installed on charging lines ensure stability and safety.

Manual vs. Automatic Reset: Which One to Choose?

Manual Reset Example

Manual Reset Breakers

Best for critical systems requiring inspection before reactivation, such as navigation systems or medical equipment.

Automatic Reset Example

Automatic Reset Breakers

Ideal for non-critical systems or hard-to-access areas, like lighting circuits or automatic pumps, as they reset independently.

Features of SB-Baywatt Models

Features of Specific Models Common Specifications
Model Amperage Color Reset Type Mounting Type
  • Voltage: 5-50A @ 14VDC
  • Dimensions: 42 x 21.1 x 17.6mm
  • Terminals: M4 (max torque 2.7Nm)
  • Operating Temperature: -40°C to 85°C
  • Interrupt Rating: 2.5KA @ 12VDC
SB10M 10A Red Manual/Automatic Inline/Parallel
SB15M 15A Blue
SB20M 20A Yellow
SB30M 30A Green
SB40M 40A Orange

Manual Reset Link: Manual Reset

Automatic Reset Link: Automatic Reset

Benefits of Resettable Stud Fuse Breakers

Resettable breakers offer several key advantages:

Resettable Breaker Benefits

Enhanced safety: They provide effective protection against overloads and short circuits, reducing the risk of fires or severe material damage.

Long-term cost savings: Unlike traditional fuses, these breakers are reusable, reducing maintenance costs and the need for component replacement.

Versatility and compatibility: They can be installed in various environments, with inline or parallel mounting to fit specific configurations.

Durability: Made from robust thermoplastic and certified IP66, they withstand harsh conditions such as humidity, dust, and vibrations.

How to Install a Stud Fuse Breaker

Required tools:

  • Wire stripper: For preparing the cables.
  • Tubular terminals: To ensure a secure connection on the studs.
  • Wrench or socket: To tighten the terminal studs.

Installation steps:

  1. Always disconnect the power supply before starting.
  2. Strip the cable ends and use appropriate tubular terminals.
  3. Position the breaker in line with the harness to minimize bulk and ease of access.
  4. Secure the terminals with a wrench or socket, then test the circuit to ensure the breaker functions properly.

Proper installation of a stud fuse breaker ensures safety and reliability in marine electrical systems, providing long-term performance even in demanding environments.

Why Choose BAYWATT?

BAYWATT offers a comprehensive range of stud fuse breakers designed for marine environments. Certified to the highest safety standards, our products ensure reliability, durability, and performance. Explore our solutions today and secure your electrical systems with confidence.

Prev Post
Next Post

Thanks for subscribing!

This email has been registered!

Shop the look

Choose Options

Edit Option
Back In Stock Notification
this is just a warning
Login

PRO REGISTRATION

CREATE PRO ACCOUNT

Learn how: PRO ZONE

Shopping Cart
0 items