Panneau de disjoncteur étanche WeatherDeck® 12V DC - Gris 8 positions - WeatherDeck® 12V DC Waterproof Circuit Breaker Panel - Gray 8 Positions

WeatherDeck® 12 V DC waterproof circuit breaker panel - Gray 8 positions

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Blue Sea Systems

4378-BSS

WeatherDeck® 12 V DC waterproof circuit breaker panel - Gray 8 positions

The BLUE SEA WeatherDeck® 4378-BSS waterproof circuit breaker panel is designed for marine environments, offering 8 positions with integrated 15A circuit breakers, 12/24V DC compatibility, and IP67 protection. This rugged solution, part of a proven range, is ideal for open cockpits and flybridges, ensuring reliable electrical management and quick circuit reset. It includes a set of 30 square-format labels and a mounting gasket.

Positions: 8

4 6 8

Retail priceBenefit from the professional rate

£161.22 GBP

£161.22 GBP ~~£190.23 GBP~~

Shipping calculated at checkout.

In stock

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Technical specifications

Positions	8.0
Nominal voltage	12/24V
Max Amperage	45.0
Type de disjoncteur	Thermal with manual reset
Included Breakers	8.0
Rétroéclairé	Oui
Included Labels	Square label set 4215
Mounting type	Flush-mounted
Panel Material	Thermoplastic
Dimensions (W x H x D)	107.95 x 195.58 x 88.90
Alarm output	false
Amperage	15
Amperage 24v Dc Per Circuit	9
Backlight Operating Current Ma	10
Backlight Voltage	12 or 24
Breaker Boot Material	Rubber
Breaker Type	Thermal
Connector type	Screw terminals / Quick-connect connectors
Matériau du couvercle	UV-resistant thermoplastic
Cutout Corner Radius Mm	0.64
Compatible CZone	false
Support mise à jour firmware	false
Flammability Rating Material	UL-V0
Protection anti-déflagrante	false
Immersion Depth M	1
Immersion Duration Minutes	30
IP rating	IP67
Compatible MasterBus	false
Max Voltage	24
Poles	1
Product use	Electrical control panel for demanding marine environments (open cockpits, flybridges)
Product type	Circuit breaker panel
Reset Type	Manual
Switch Rated Current A	15
Weight	0.83

Detailed description

Designed for demanding marine environments, the BLUE SEA WeatherDeck® 12/24V DC gray 8-position waterproof circuit breaker panel (reference 4378-BSS) provides a reliable and protected electrical control solution. Ideally suited for open cockpits and flybridges, this panel integrates push-button 15A breakers per circuit, ensuring thermal protection with manual reset.

Design and weather resistance

The WeatherDeck® 4378-BSS stands out with its IP67-rated front face, protecting against temporary immersion up to 1 meter for 30 minutes, provided it is correctly mounted with its sealing gasket. Its construction features UV-resistant thermoplastic for the cover and UL-V0 flame-retardant thermoplastic for the panel, ensuring durability against marine and solar exposure. The switches are equipped with integrated protections to prevent accidental activation.

Features and integration

This panel allows versatile installation thanks to its four possible mounting orientations. Each position is equipped with a 15A breaker and green LEDs to backlight circuit labels, improving visibility in low-light conditions. The backlighting is compatible with BLUE SEA DeckHand™ dimmers for independent control. With a cumulative current rating of 45A, the 4378-BSS panel provides centralized electrical management for multiple devices. It comes with a set of 30 square-format labels for easy customization. The BLUE SEA WeatherDeck® range, which also includes 4-position (PN 4374) and 6-position (PN 4376) versions, is recognized for its robustness and ease of use, positioning itself as an alternative to traditional fuse panels for better circuit protection and rapid reset.

Expert opinion

Pol CONIN

Digital Manager

« Technical analysis of the BLUE SEA WeatherDeck® 8-position panel »

The BLUE SEA WeatherDeck® circuit breaker panel is a top choice for managing electrical systems on small and medium-sized vessels, particularly those with an open cockpit or flybridge. Its compact design and IP67 waterproof rating make it resistant to spray and temporary immersion, which is critical for reliability at sea.

The inclusion of manual-reset thermal circuit breakers rated at 15A per circuit is a major advantage over fuse-based panels. It simplifies maintenance and troubleshooting by eliminating the need to replace fuses, providing quick recovery in case of overload. The cumulative 45A capacity can support essential equipment ranging from GPS to bilge pumps. During installation, it is critical to follow the mounting process with the supplied gasket to ensure IP67 compliance. It is also essential to note that this panel is not "ignition proof" and must not be installed in gasoline engine compartments or unventilated battery areas where explosive environments could form. Its compatibility with BLUE SEA DeckHand™ dimmers for backlighting offers useful flexibility for adjusting label brightness, optimizing visual comfort based on lighting conditions.

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WeatherDeck® 12 V DC waterproof circuit breaker panel - Gray 8 positions

£161.22 GBP

£161.22 GBP ~~£190.23 GBP~~

Frequently Asked Questions

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What is the operating voltage of this circuit breaker panel?

This circuit breaker panel is designed to operate with 12V DC or 24V DC electrical systems.

How many circuits can this panel control?

This WeatherDeck® waterproof circuit breaker panel has 8 positions, allowing it to control up to 8 different circuits.

What is the waterproofing rating of this panel?

The front face of the panel is IP67 certified, meaning it is protected against temporary immersion up to 1 meter for 30 minutes, provided it is correctly installed with its sealing gasket.

Which type of circuit breakers are included with the panel?

Each position on the panel is fitted with a 15A push-button circuit breaker. These breakers are thermal type with manual reset only.

What is the maximum current each circuit can handle?

Each circuit can handle a maximum current of 15A at 12V DC and 9A at 24V DC.

What is the maximum cumulative current the panel can handle?

The WeatherDeck® 8-position circuit breaker panel has a maximum cumulative current rating of 45A.

Are the circuit labels backlit?

Yes, the circuit labels are backlit with green LEDs for better visibility in low-light conditions.

Is the backlight compatible with dimmers?

Yes, the label backlight is compatible with BLUE SEA DeckHand™ dimmers, allowing independent control of the lighting.

Which materials are used to manufacture the panel?

The cover is made of UV-resistant thermoplastic, and the panel itself is made of UL-V0 fire-retardant thermoplastic, ensuring durability and safety in marine environments.

Are circuit labels provided with the panel?

Yes, a set of square-format labels (reference 4215) is included with the panel to clearly identify each circuit.

Are there protections to prevent accidental activation of the switches?

Yes, the panel includes protections for the switches to reduce the risk of accidental activation.

Where is this circuit breaker panel recommended to be installed?

This panel is ideally suited for open cockpit and flybridge applications. It must be installed away from flammable areas and not in an explosive environment such as a gasoline engine compartment or a battery compartment.

Can the panel be mounted in different orientations?

Yes, the panel can be mounted in four different orientations, providing installation flexibility.

What are the external dimensions of the panel?

The panel dimensions are:

Width: 107.95 mm (4.25 inches)Height: 195.58 mm (7.70 inches)Depth: 88.90 mm (3.50 inches)

How to ensure the panel's waterproofing during installation?

To ensure waterproofing, the panel must be properly sealed to the mounting surface. The supplied sealing gasket must be in place and the panel securely screwed down.

How to connect devices to the panel?

Connect the positive side of each device to a switch output terminal on the panel. The negative side of the device must be connected to the boat's DC negative.

How to connect the label backlighting?

To connect the label backlighting, connect the +12V or +24V DC from your boat to the appropriate quick-connect terminal. Cover the unused terminal with the provided protective cap. The terminal marked –NEG must be connected to the DC negative of your boat.