Connection Rails

Busbars, connectors, rails and other components from the online store!

Connection Rails group products

10-wire junction box, "deluxe"
OUTLET

10-wire junction box, "deluxe"

Available
31,00 €61,00 €
BEP ATC ground connection

BEP ATC ground connection

Available
27,20 €
BEP connection rail +/- with protective cover

BEP connection rail +/- with protective cover

Available
45,70 €
BEP connection rail and cover, 12x4mm

BEP connection rail and cover, 12x4mm

Available
29,90 €
BEP connection rail and cover, 24x4mm

BEP connection rail and cover, 24x4mm

Available
49,00 €
BEP connection rail and cover, 4x6mm

BEP connection rail and cover, 4x6mm

Available
69,50 €
BEP connection rail and cover, 6x4mm

BEP connection rail and cover, 6x4mm

Available
26,20 €
BEP connection rails +/- and shields, 12x4mm

BEP connection rails +/- and shields, 12x4mm

Available
56,30 €
BEP Coupling bolt 6mm with protective cover, minus

BEP Coupling bolt 6mm with protective cover, minus

Available
16,90 €
BEP Coupling bolt 6mm with protective cover, plus

BEP Coupling bolt 6mm with protective cover, plus

Available
17,90 €
BEP Double coupling bolt 6mm with protective cover, minus

BEP Double coupling bolt 6mm with protective cover, minus

Available
17,00 €
BEP Pro Installer connection rail 3x10mm

BEP Pro Installer connection rail 3x10mm

Available
120,60 €
BEP Pro Installer connection rail 4x8mm

BEP Pro Installer connection rail 4x8mm

Available
102,00 €
BEP Pro Installer connection rail 5x10mm

BEP Pro Installer connection rail 5x10mm

Available
142,00 €
BEP Pro Installer connection rail 8x10mm

BEP Pro Installer connection rail 8x10mm

Available
179,00 €
BEP Pro Installer connector with splitter and shield, 1x10mm

BEP Pro Installer connector with splitter and shield, 1x10mm

Available
31,60 €
BEP Pro Installer connector with splitter and shield, 1x8mm

BEP Pro Installer connector with splitter and shield, 1x8mm

Available
29,90 €
BEP Pro Installer connector with protection, 1x10mm

BEP Pro Installer connector with protection, 1x10mm

Available
19,30 €
BEP Pro Installer connector with protection, 1x10mm and 1x8mm

BEP Pro Installer connector with protection, 1x10mm and 1x8mm

Available
29,90 €
BEP Pro Installer connector with protection, 1x8mm

BEP Pro Installer connector with protection, 1x8mm

Available
18,80 €

Recommended for you

Busbars, Connectors, Mounting Rails, and Other Accessories

Busbars, connectors, and mounting rails are essential components of a boat’s electrical system. Choosing the right parts ensures both the functionality and safety of your vessel’s electrical setup. Explore our selection!

Are busbars, connectors, and mounting rails the same?

While busbars, connectors, and mounting rails are all part of a boat’s electrical system, they serve different purposes and have distinct designs:

  • Busbar: Acts as a central distribution point for electrical power. It allows multiple circuits to connect efficiently in one location. Busbars are used to distribute power from a main source, such as a battery, to several devices or to consolidate grounding wires.

  • Connector: A simpler component that joins individual wires together. Connectors are used when two or more wires need to be linked without handling large currents. They are commonly used for small repairs or single circuits—for example, fixing a boat’s lighting system may require a connector, while larger electrical components need a busbar. Connectors are typically small, easy to use, and may be screw, crimp, or quick-connect types.

  • Mounting rail: Provides a physical base for electrical components like busbars, fuses, or relays. It does not conduct electricity itself. Mounting rails are often used in electrical panels or control stations to keep components organized and secure. They are usually made from metal or plastic and designed to withstand moisture, vibration, and harsh conditions.

Summary:

  • Busbars = power distribution

  • Connectors = simple wire connection

  • Mounting rails = structural support and organization

How does a busbar work?

A busbar serves as a conductive junction in an electrical system, distributing power from a single source to multiple circuits or consolidating power from different circuits in one location.

Connections:

  • One or more input wires bring power from the battery or generator.

  • Multiple connection points allow different circuits to connect, such as lighting, pumps, or navigation devices.

Conductivity:

  • Made of highly conductive materials like copper or brass to efficiently transfer current without significant loss.

Distribution:

  • Distributes power evenly to all connected devices.

  • In grounding busbars, collects return wires and connects them to the battery negative terminal or hull.

Typical use in boats:
Busbars are crucial for organizing multiple circuits, such as:

  • Lighting systems

  • Water pumps

  • Navigation equipment

  • Electric motors

  • Charging systems and battery banks

Types of busbars:

  • Power busbar: Distributes voltage from a battery or other source to multiple circuits.

  • Ground busbar: Collects return wires and connects them to the negative terminal or hull.

  • Combo busbar: Combines power and ground in a single compact system.

How does a connector work?

A connector joins two or more wires safely and efficiently. Its main purpose is to create a secure electrical link, prevent current leakage, and protect the connection from moisture, dust, and vibration.

Operation:

  • Wire insertion: Expose wire ends are inserted and secured via screws, crimping, or quick-connect mechanisms.

  • Current flow: Once connected, electricity or signals pass through the connector. The housing prevents shorts or leakage.

  • Insulation and protection: Most connectors include insulating material to shield against moisture, dust, and mechanical damage.

  • Easy removal: Many connectors are designed for quick disconnects, useful when updating or modifying wiring.

Common types:

  • Screw connector: Strong, permanent connection secured with screws.

  • Quick connector: Wires snap into place via a spring mechanism for fast, temporary connections.

  • Crimp connector: Wires are crimped with a tool, providing a durable connection for vehicles and boats.

  • Terminal block (“chocolate block”): Simple screw-based connector suitable for lighter circuits.

Usage in boats:
Connectors are widely used in systems exposed to vibration and moisture, such as:

  • Navigation lights

  • Pumps and electrical devices

  • Battery and device connections

How does a mounting rail work?

A mounting rail provides a stable base for electrical components like relays, fuses, busbars, and connectors. It does not conduct electricity but organizes and supports the system.

Functions:

  • Component attachment: Components snap, screw, or clip onto the rail.

  • Wiring organization: Keeps wires tidy and accessible for maintenance.

  • Support and stability: Secures components in vibrating or moving environments (boats, vehicles, industrial).

  • Modularity: Allows easy system expansion or modification without major changes.

Types of mounting rails:

  • DIN rail: Standardized rail compatible with most fuses, relays, and other electrical components.

  • Custom rails: Designed for boats or special vehicles with space constraints or unique requirements.

Busbars, connectors, and mounting rails from Marinekauppa

Our selection includes a wide range of components for your boat’s electrical system. Unsure which part fits your vessel? Our team is happy to help in-store or via email. Explore our collection and order today!

Fast delivery
For products in stock, 1-3 workingdays. For ordering products, 2-7 days.
Customer service
010 548 5605 (days 9-18) asiakaspalvelu@marinekauppa.com
14-day right of return
Products have a 14-day free return right. All products have a minimum 6 month warranty.
Pay securely
Secure online payments. Pay with online banking, credit card, invoice or partial payment.

CONTACT INFORMATION

Our customer service is available on weekdays 9-17.
email: asiakaspalvelu@marinekauppa.com

STORES

HELSINKI
Veneentekijäntie 3
00210 Helsinki (Lauttasaari)
FINLAND
mon–fri 9–18
sat-sun closed

VANTAA
Porttisuontie 13
00120 Vantaa (Porttipuisto)
FINLAND
mon–fri 10-18
sat-sun closed

COMPANY INFORMATION

Marinekauppa.com / Norcap Oy Ab
Company ID 1827467-5
Founded in 2003
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