MaxiBus 250A BusBar - Four 5/16"-18 Studs - MaxiBus 250A BusBar - Four 5/16

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Blue Sea Systems

2127-BSS

MaxiBus 250A Busbar - Four 5/16"-18 Studs

Designed for marine electrical distribution, the Blue Sea MaxiBus 250A busbar ensures reliable connections with four 5/16"-18 stainless steel studs. Ideal for consolidating power or ground points, it handles up to 250 amperes in a compact form factor. The busbar ships with its own 5/16"-18 stainless steel serrated flange nuts.

Retail priceBenefit from the professional rate

$45.18 USD

$45.18 USD ~~$52.04 USD~~

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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

Amperage	250.0
Nombre de circuits	4.0
Nombre de pôles	Single-pole
Mounting type	Surface-mount installation
Taille maximale de cosse de câble	8
Dimensions (W x H x D)	149.2 x 29.5 x 48.5
Flange Nut Type	Knurled flange nuts
Intended use	Power distribution in marine electrical systems
Fabricant	Blue Sea Systems
Manufacturer part number	2127
Matériau de la visserie	Stainless steel
Diamètre des trous de fixation	For #10 or M5 screw
Entraxe de fixation	133.4
Product type	Bus bar
Stud Material	Stainless steel
Stud Thread Imperial	5/16"-18
Espacement des bornes	299.9

Detailed description

The Blue Sea MaxiBus 250A busbar (reference 2127-BSS) is designed for current distribution in marine electrical systems. It centralizes and distributes currents up to 250 amperes in a secure and organized manner. This model stands out for its compactness and ability to handle high loads, positioning it as an intermediate solution compared to smaller busbars in the Blue Sea range for lower currents or more complex distribution systems such as circuit breaker panels. It offers an alternative to low-ampere ground or power busbars while remaining simpler than an integrated battery management system like the Blue Sea ML-RBS.

Connectivity and Installation

The MaxiBus 250A is equipped with four 5/16"-18 stainless steel studs, suitable for 5/16" or M8 ring terminals. These studs are supplied with 5/16"-18 stainless steel serrated flange nuts to ensure a reliable electrical connection resistant to vibrations. The unit dimensions are 149.2 mm long by 48.5 mm wide, with a height of 29.5 mm (including 10.2 mm for the busbar body), facilitating integration into confined spaces. Installation is done via holes designed for #10 or M5 screws, simplifying mounting on various surfaces.

Marine Design

Manufactured by Blue Sea Systems, this busbar is designed for the marine environment, offering durability and corrosion resistance thanks to its stainless steel components. Its compact design (91.4 mm pitch between studs) allows for clean cable organization, reducing clutter and the risk of poor contact. Compared to generic solutions, the Blue Sea MaxiBus busbar ensures compliance with marine standards, guaranteeing longevity and sustained electrical performance for onboard applications.

Documentation

Type	Nom
	EN - Dimensioned Drawing - MaxiBus 250A BusBar - Four 5-16in-18 Studs

Expert opinion

Pol CONIN

Digital Manager

« Technical analysis: Blue Sea MaxiBus 250A busbar for marine systems »

The Blue Sea MaxiBus 250A busbar is an efficient solution for centralizing power connection points in medium-sized marine installations. Its 250-amp capacity makes it ideal for circuits requiring stable distribution without the complexity of a full circuit breaker panel. We particularly recommend it for sailboats and small motorboats where multiple power feeds or ground returns need to be organized neatly.

Installation is straightforward: 5/16"-18 stainless steel studs with serrated flange nuts ensure a solid, vibration-resistant connection essential in marine environments. Mounting points for #10 or M5 fasteners allow versatile integration. This model is well-suited for applications such as connecting multiple service batteries, distributing power to medium-power inverters, or serving as a common ground point for multiple devices.

Note that while its 250A capacity is significant, this busbar is limited to four main connections. For systems requiring a higher number of outputs or cumulative currents exceeding 250A, a larger-capacity busbar or a more sophisticated distribution system will be necessary. Its compact design is a major advantage, but it requires careful planning of cable routing to avoid excessive clutter around the studs.

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MaxiBus 250A Busbar - Four 5/16"-18 Studs

$45.18 USD

$45.18 USD ~~$52.04 USD~~

Frequently Asked Questions

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What is a busbar and what is it used for?

A busbar is a critical component in electrical systems, especially in marine environments. It is designed to centralize and distribute electrical current in an organized and safe manner. The MaxiBus 250A allows multiple power or ground cables to be grouped for efficient distribution, replacing messy and potentially hazardous individual connections.

What is the maximum current rating that this Blue Sea MaxiBus 250A busbar can handle?

The Blue Sea MaxiBus 250A busbar is rated for continuous currents up to 250 amperes. This capacity makes it suitable for applications requiring significant power distribution in marine electrical systems.

What are the physical dimensions of the MaxiBus 250A busbar?

The dimensions of the MaxiBus 250A busbar are as follows:

Length: 149.2 mm (5.88 in)Width: 48.5 mm (1.91 in)Total height: 29.5 mm (1.16 in)Bar height (excluding studs): 10.2 mm (0.40 in)

Which types of terminals are compatible with the studs on this busbar?

The studs on the MaxiBus 250A busbar are 5/16"-18 in size. They are suitable for 5/16" or M8 ring terminals, ensuring a reliable and secure electrical connection.

How should the MaxiBus 250A busbar be mounted?

The MaxiBus 250A busbar is mounted using the holes provided for this purpose. For secure mounting, use #10 or M5 screws.

What materials is the Blue Sea MaxiBus 250A busbar made of?

The Blue Sea MaxiBus 250A busbar is manufactured from high-quality materials to ensure durability and resistance. The studs and crimp nuts are made of 5/16"-18 stainless steel, providing excellent corrosion resistance essential in a marine environment.

How many connection points does this busbar have?

The Blue Sea MaxiBus 250A busbar is equipped with four studs. This means it provides four distinct connection points for your cables, allowing for organized current distribution.

Is this busbar suitable for use in a salty marine environment?

Yes, the MaxiBus 250A busbar is specifically designed by Blue Sea Systems for the marine environment. Its design and materials, including stainless steel components, provide high durability and excellent corrosion resistance, making it perfectly suited to salty conditions.