Battery switch 2 parallel banks EZ 400 A continuous 1/1&2/Parallel/Off 48 V

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BEP Marine

772-DBC

Battery switch 2 parallel banks EZ 400 A continuous 1/1&2/Parallel/Off 48 V

The BEP 772-DBC battery switch is designed for managing two battery banks and two loads at 48V, providing a continuous current of 400A and IP67 protection. Part of the Pro Installer EZ-Mount range, it includes an "Isolated-On" position and simplifies installation with its front wiring and compatibility with BEP busbars. No additional accessories are included with this battery switch.

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81,53€

81,53€ ~~112,20€~~

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Low stock

Free pickup point shipping over €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

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Technical specifications

Nominal voltage	48
Amperage	400.0
Nombre de circuits	2.0
Nombre de pôles	Dual
Parcs de batteries supportés	2.0
Type d'interrupteur de batterie	1/1&2/Parallel/Off
Méthode de contrôle de l'interrupteur de batterie	Manual
Méthode de protection des circuits	None
Mounting type	Surface mount, Flush mount, Front panel mount
IP rating	IP67
Display type	None
Wired network	None
Certifications	CE, ISO 8846, SAE J1171
Taille maximale de cosse de câble	10
Dimensions (W x H x D)	98 x 98 x 92 mm
Weight	0.7
Scénario d'application	Maintenance or emergency
Courant continu (A)	400 A
Type de contrôle	Rotary
Corrosion resistance	High
Courant de démarrage (A)	1500 A
Cranking Current Duration S	10
Date de création du produit	2023-03-16 13:51:31
Document Ids	3822, 3821, 3823, 3514, 3819, 3820
Electrical Distribution Role	Optimization of the electrical distribution
Installation Benefit Space Saving	Allows for more compact installations
Installation Ease	Front wiring
Courant intermittent (A)	600 A
Intermittent Current Duration Minutes	5
Isolated On Position Feature	Yes
Load Power Retention Isolated Engine	Yes
Maximale tension dc	48 V
Mounting Access	Front display
Mounting Footprint Mm	97.79 x 97.79
Mounting System Type	EZ-Mount
Operating voltage range	12-48 V
Panel Integration Focus	Yes
Parallel Mode Functionality	Allows combining both battery banks for combined starting or charging.
Positions	1, 1&2, Parallel, Off
Product Application Detail	Advanced energy management onboard
Code-barres du produit	772-DBC
Catégorie de produit niveau 0	Merchandise
Product category level 1	NAVICO GROUP
Product category level 2	VET
Product category level 3	Battery switches
Product use	Battery isolator for selecting and paralleling two battery banks
Product range	EZ
Product type	Battery isolator
URL de la page produit	/shop/772-dbc-bep-battery-splitter-2-banks-parallel-ez-400a-continu-1-1-2-parallel-off-48v-3259
Standard Footprint Imperial	3.85 x 3.85
Supported Loads Isolated Mode	Onboard power, VHF radio
Switch type	Manual rotary
System Integration Benefit	Simplifies integration with other systems
Terminal Material	Tinned copper
Terminal Material Plating	Tinned
Terminal size	M10
Terminal Stud Size Imperial	3/8"
Terminal Stud Size Metric	M10
Type de borne	M10 bolt
Wiring Access Type	Front display
Type de connexion câblage	Bolt

Detailed description

Designed for advanced energy management aboard, the BEP 772-DBC battery switch is an integrated solution for 48V systems. This device allows control of two battery banks and two separate loads, consolidating the functions of three battery switches into a single compact unit. It stands out for its ability to optimize power distribution while providing overcurrent protection for demanding applications.

Power management and safety

The 772-DBC supports a continuous current of 400A, an intermittent current of 600A for 5 minutes, and a cranking capacity of 1500A for 10 seconds, with a maximum voltage of 48V DC. Its intuitive operation (1/1&2/Parallel/Off) includes a unique "Isolated-On" position. This safety feature allows power to be maintained to service loads (such as house loads and VHF radio) even when the engine is electrically isolated, a critical feature for maintenance or emergencies. The 10mm (3/8") tinned copper studs ensure optimal conductivity and corrosion resistance.

Installation and integration

The BEP 772-DBC battery switch is engineered for ease of installation and system integration. Its "EZ-Mount" design enables front wiring, simplifying access and implementation. With a standard footprint of 3.85" x 3.85", it fits easily into various electrical panels. Its compatibility with the BEP Pro Installer busbar range allows direct clustering, enabling faster and more compact installations. Removable side plates and a detachable knob enhance installation and maintenance flexibility. Constructed from reinforced fiber plastics and using stainless steel nuts/washers, this battery switch offers IP67 protection and ignition resistance tested to UL1107, ensuring reliability in the marine environment.

Expert opinion

Pol CONIN

Digital Manager

« Advanced and secure management of 48V battery banks »

The BEP 772-DBC battery isolator is a top choice for marine electrical setups requiring precise and secure management of two battery banks. Its main advantage lies in its "Dual Bank Control" concept, which effectively replaces the need for multiple separate switches. For sailboats or motorboats equipped with a service battery bank and a starter battery bank, or for hybrid systems with a dedicated charging circuit requiring isolation, this model significantly simplifies wiring and centralizes control. The "Isolated-On" function is particularly relevant for onboard safety, allowing the engine to be isolated for maintenance while keeping essential systems like VHF or lighting powered. This capability is often overlooked but critical during at-sea interventions.

Integrating the 772-DBC into an existing system is made easier by its "EZ-Mount" design, which allows front-panel wiring—a welcome feature in the tight spaces of technical compartments. Additionally, its compatibility with BEP’s Pro Installer bus bar system enables "cluster" installation, optimizing space usage and reducing voltage drops through direct, robust connections. This switch is particularly suited to medium to large boats (up to around 15–20 meters) where current demands and the complexity of 48V systems become significant. It is ideal for installations where reliability and compliance with standards (UL1107 for ignition protection) are paramount, without requiring the complexity of a fully digital power management system like CZone, for which BEP offers other, more advanced solutions.

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Battery switch 2 parallel banks EZ 400 A continuous 1/1&2/Parallel/Off 48 V

81,53€

81,53€ ~~112,20€~~

Frequently Asked Questions

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What is the main function of the BEP 772-DBC battery switch?

The BEP 772-DBC battery switch is an integrated solution designed for advanced energy management on board. Its main functions are:

Control two battery banks.Manage two separate loads.Consolidate the functions of three battery switches into a single compact unit.Optimize electrical distribution.Provide overcurrent protection.

What is the maximum continuous current rating this battery switch can handle?

This battery switch can handle a continuous current of 400 amperes (400A), providing reliable power for demanding systems.

What is the maximum voltage supported by the BEP 772-DBC battery switch?

The BEP 772-DBC battery switch is specifically designed for use with 48V DC systems.

What are the different operating positions for this battery switch?

Operating positions include:

1 : Powers the main load from battery 1.1&2 (Parallel) : Connects both batteries in parallel to power the load or for engine starting.Off : Cuts all power.It also has a unique Isolated-On position, which is a safety feature.

What is the "Isolated-On" function and what is it used for?

The "Isolated-On" function is a unique safety position. It keeps power supplied to service equipment (such as house loads and VHF radio) even when the engine is electrically isolated. This feature is essential for maintenance or emergencies, ensuring critical systems remain operational.

What is the starting capacity of this battery switch?

The BEP 772-DBC battery switch has a starting capacity of 1500 amperes (1500A) for a duration of 10 seconds.

What is the intermittent current rating that the battery switch can handle?

It can handle an intermittent current of 600 amperes (600A) for a period of 5 minutes.

What type of protection is the BEP 772-DBC battery switch equipped with?

The BEP 772-DBC battery switch is designed to provide overcurrent protection, enhancing the safety of your electrical system.

Is the battery switch resistant to water or moisture?

Yes, the BEP 772-DBC battery switch has an IP67 ingress protection rating. This means it is protected against dust and temporary immersion in water, making it suitable for marine environments.

What materials are used for the connection studs?

The connection studs are made of tinned copper, 10 mm (3/8"). This material ensures optimal electrical conductivity and excellent corrosion resistance, essential in marine environments.

Is this battery switch suitable for marine applications?

Yes, its robust design, IP67 waterproof rating, and use of tinned copper studs make it particularly suitable and reliable for demanding marine environments.

Is this battery switch suitable for advanced energy management?

Yes, the BEP 772-DBC is specifically designed for advanced energy management onboard. It allows control of two battery banks and two separate loads, consolidating the functions of multiple switches for optimized electrical distribution and enhanced protection.

How is the BEP 772-DBC battery switch installed?

The BEP 772-DBC battery switch features an EZ-Mount design for simplified installation. It is designed for easy and efficient mounting.

Is the wiring easy to install with this model?

Yes, the EZ-Mount design allows for front-side wiring. This feature greatly simplifies access and connection setup during installation, making the process faster and less complex.

What are the physical dimensions of this battery isolator?

The BEP 772-DBC battery isolator has a standard footprint of 3.85" x 3.85" (approximately 9.78 cm x 9.78 cm). This compact size makes it easy to install in various electrical panels and tight spaces aboard.

What is the size of the connection studs for the cables?

The connection studs are 10 mm (3/8"). This size is standard for high-power applications and ensures secure cable connections.

Can the battery switch be integrated with other BEP equipment?

Yes, its compatibility with BEP’s Pro Installer busbar range enables direct grouping (cluster capability), simplifying complex and organized electrical installations.

Can this battery switch be used with busbars from other brands?

It is designed to be compatible with the BEP Pro Installer range of busbars, allowing direct grouping and simplified integration. For busbars from other brands, it is recommended to carefully check the connection and mounting specifications to ensure compatibility and adequate safety.

Is it possible to connect several of these battery isolators together?

Yes, thanks to its compatibility with the BEP Pro Installer busbar range and its cluster capability, it is possible to integrate multiple 772-DBC battery isolator units for larger and more complex electrical systems.

How does the BEP 772-DBC battery switch manage my two battery banks?

The BEP 772-DBC battery switch is designed for advanced management of two separate battery banks in a 48V system. It consolidates the functions of multiple switches into a single compact unit, offering several operating modes:

Position 1: Connects the first battery bank to the electrical system.Position 1&2: Allows simultaneous connection of both battery banks to two separate loads, enabling independent management of each bank.Parallel Position: Connects both battery banks in parallel to provide maximum power, useful for emergency starts or high-power loads.Off Position: Completely disconnects both battery banks from the system, ensuring total isolation for safety or storage.A unique safety feature, called 'Isolated-On,' keeps essential services (such as house loads and VHF radio) powered even when the engine is electrically isolated. This battery switch supports a continuous current of 400A and a maximum voltage of 48V DC. It also features IP67 waterproofing and 10mm (3/8") tinned copper studs for optimal conductivity.