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BEP Marine

777-BB8S-650-B

Busbar 8 studs 650 A

The BEP HD 8-stud 650A busbar is a robust electrical distribution solution for marine applications, capable of handling 650A at 50 VDC. Featuring 8 M10 stainless steel studs, a tinned copper construction, and reinforced plastic housing, it outperforms 4-stud 500A models and offers higher connection capacity than 3- or 5-stud 650A versions. The product ships with a polycarbonate cover and integrated studs/nuts.

Price excl. import taxesBenefit from the professional rate

$176.00 USD

$176.00 USD ~~$212.00 USD~~

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Prices exclude import taxes (rate varies by item and state). DAP delivery: import taxes are paid on delivery.

Available 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

Nominal voltage	50 VDC
Amperage	650.0
Number of circuits	8.0
Mounting type	Surface mounting
Certifications	CE
Maximum cable lug size	10 mm
Dimensions (W x H x D)	249 x 49 x 64
Weight	0.841
ABYC compliance	Oui
Busbar application type	Mariner
Busbar base material	High-temperature fiberglass reinforced plastic
Busbar conductor material	Tinned copper CDA102
Busbar type	High power
Chemical resistance	Yes
Color	Transparent
Cover included	Oui
Cover Modularity	Removable sections
Cover Removable	Yes
Flame retardant	Oui
Discontinued item	No
Link bar design type	Straight tiller
Link bar overall length	249.0
Manufacturer website	www.bepmarine.com
Maximum cable cross-section per stud	70.0
Product type	Busbar
Recommended terminal torque (Nm)	15.0
Number of studs	8.0
Stud size (mm)	10
Number of terminals	8.0
Terminal thread size (mm)	10
Terminal Thread Type	Metrics
Serial number tracking	None

Detailed description

The BEP HD 8-stud 650A busbar is a robust power distribution solution designed for high-demand marine electrical systems. This model stands out for its ability to handle continuous current of 650 amperes at 50 VDC, exceeding the 4-stud 500A versions and offering higher connection density than the 3- and 5-stud 650A models in the same range. With its 8 stainless steel 10 mm (3/8") studs, it ensures reliable and secure connections for main circuits.

Marine-grade design and materials

Manufactured with tinned copper conductors (CDA102), this busbar guarantees optimal conductivity and enhanced corrosion resistance in marine environments. The high-temperature fiberglass-reinforced plastic base provides excellent mechanical strength and chemical resistance, while the transparent polycarbonate cover offers visual and physical protection of the connections while allowing quick inspection. Dimensions of 249 x 49 x 64 mm (9.8" x 1.9" x 2.5") and a weight of 841g (29.7 oz) confirm its solid construction.

Positioning and system integration

Unlike the BEP 10 or 18-way Z-bars, which are intended for 200A auxiliary circuit distribution with 4 mm terminals, the BEP HD 8-stud 650A busbar is specifically optimized for high-power applications, acting as a central point for battery cables, inverters, or windlasses. It enables clean and efficient wiring organization, reducing the risk of short circuits and simplifying maintenance. The detachable sections of the cover simplify cable routing, ensuring flexible installation suited to naval environment constraints.

Documentation

Type	Nom
	EN - Instructions d'installation - BUSBAR HD 8 STUD 650A BULK MC10
	EN - Fiche technique détaillée - BUSBAR HD 8 STUD 650A BULK MC10

Expert opinion

Pol CONIN

Digital Manager

« Robust power distribution for marine systems »

The BEP HD 8-stud 650A busbar represents a fundamental solution for managing high-current systems on board. Its design with 8 stainless steel 10 mm studs and a 650A capacity at 50 VDC makes it an ideal centralization point for main power systems, such as battery banks, inverters, or high-power chargers. The use of tinned copper conductors (CDA102) ensures low resistance and excellent durability against electrolytic corrosion, essential in a marine environment. The high-temperature fiberglass-reinforced plastic base, combined with a polycarbonate cover, guarantees superior insulation and mechanical protection. This component is a reliable choice for installations requiring secure and high-performance electrical distribution, offering a robust alternative to multiple direct connections on battery terminals.

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Busbar 8 studs 650 A

$176.00 USD

$176.00 USD ~~$212.00 USD~~

Frequently Asked Questions

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What is the maximum voltage supported by this BEP busbar?

This BEP busbar is designed to support a maximum nominal voltage of 50 VDC.

What is the maximum current this busbar can handle?

This BEP busbar is a robust version capable of handling a maximum current of 650 amperes (650A).

What are the exact dimensions of this 8-pin bus bar?

The dimensions of this 8-stud busbar are 249 mm in length, 49 mm in width, and 64 mm in height (approximately 9.8" x 1.9" x 2.5").

How many connection studs are available on this bus bar?

This busbar is equipped with 8 connection studs for power distribution.

What is the diameter of the connection studs on this bus bar?

The connection studs on this bus bar have a diameter of 10 mm (3/8") and are made of stainless steel.

Is the NMEA 2000 backbone cover transparent?

Yes, this NMEA 2000 backbone is supplied with a transparent polycarbonate cover, providing protection while allowing visual inspection.

Is this bus bar suitable for a marine environment?

Yes, this bus bar is specifically designed and manufactured with corrosion-resistant materials for reliable use in a marine environment.

What thread type is used for connection studs?

The studs on this bus bar use a metric thread for connections.

Which types of sprays can be used for maintaining polycarbonate hatches?

It is imperative to use only corrosion inhibitor sprays labeled "safe for plastic". Do not wipe solvents or petrochemical products on transparent polycarbonate covers, as these chemicals can damage the plastic, degrading properties such as opacity and impact resistance.

Is it important to check the cable size when installing this busbar?

Yes, it is essential to ensure that all cables connected to this busbar are correctly sized for the loads they carry to guarantee a safe and efficient installation and avoid any overheating.

Does the NMEA 2000 backbone base offer chemical resistance?

Yes, the base of the bus bar is made from high-temperature fiberglass-reinforced plastic, providing high strength and excellent chemical resistance.

Is this busbar compatible with 50 VDC electrical systems?

Yes, this busbar is specifically designed for use with electrical systems having a maximum rated voltage of 50 VDC.

Are 10mm studs a standard for high-current marine connectivity?

Yes, 10 mm (3/8") studs are commonly used in marine applications for high-current connections, providing robust and reliable connectivity for large-section cables.

Can this bus cable be used with cables of different diameters?

Yes, 10 mm (3/8") diameter studs allow connection of cable lugs suitable for a wide range of cable cross-sections. However, it is critical to ensure that cables are correctly sized for the loads they carry.

Can this busbar be used for ground connections?

Yes, a busbar is a fundamental component for power distribution and can be used to organize positive or negative connections (including grounding) in a marine electrical system, depending on your installation configuration.

Is it possible to use this busbar with systems operating at less than 50 VDC?

Yes, this busbar is designed for a maximum nominal voltage of 50 VDC. It can therefore be safely used with systems having a lower voltage, such as 12 V or 24 V, provided the maximum current of 650 A is not exceeded.