2-pack 5/16" (M8) Dual Bus Bar Max 48V DC 250A
Two 5/16" M8 dual bus bar terminal blocks in red and black with four mounting screws.
Two 5/16" M8 dual bus bar terminal blocks with red and black protective covers for electrical wiring.
Collage showing wide application of dual bus bars in boats, cars, golf carts, RVs, solar systems, and car audio.
Close-up of a 5/16" M8 dual bus bar with a red nylon base and stainless steel studs, showing product design features.
Close-up of a single 5/16" M8 dual bus bar with an orange base for 48V DC 250A power distribution.
Comparison graphic showing 5/16" M8 dual bus bars with red and black covers and mounting hardware.
Father and son working together on a car engine, representing the reliable installation of 5/16" dual bus bars.
Two 5/16" M8 dual bus bar terminal blocks in red and black with four mounting screws.
Two 5/16" M8 dual bus bar terminal blocks with red and black protective covers for electrical wiring.
Collage showing wide application of dual bus bars in boats, cars, golf carts, RVs, solar systems, and car audio.
Close-up of a 5/16" M8 dual bus bar with a red nylon base and stainless steel studs, showing product design features.
Close-up of a single 5/16" M8 dual bus bar with an orange base for 48V DC 250A power distribution.
Comparison graphic showing 5/16" M8 dual bus bars with red and black covers and mounting hardware.
Father and son working together on a car engine, representing the reliable installation of 5/16" dual bus bars.
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2-pack 5/16" (M8) Dual Bus Bar Max 48V DC 250A

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$15.70
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2-pack 5/16" (M8) Dual Bus Bar Max 48V DC 250A

Key Features

  • Package Includes: 1x Red (Positive) Bus Bar, 1x Black (Negative) Bus Bar, 4x Mounting Screws
  • Maximum Operating Voltage: 48V DC
  • Maximum Continuous Amperage: 250A
  • Stud Size: Dual 5/16" (M8) insulated terminal studs
  • Function: Consolidates multiple wires to single positive and negative distribution points.
  • Construction: Includes individual covers to protect terminal studs from accidental contact.

Replaces / Cross-Reference Part Numbers

  • Universal component for custom electrical system installations and upgrades.

Compatibility & Fitment

  • Designed for DC electrical systems including 12V, 24V, and up to 48V.
  • Suitable for power distribution applications in automotive, RV, marine, and battery systems.
  • Ideal for projects involving vehicle customization or battery relocation.

When to Replace

  • Install when upgrading a vehicle's electrical system or adding high-current accessories.
  • Use to organize complex wiring for a cleaner, more reliable power connection.
  • Replace any existing bus bar that shows signs of corrosion, heat damage, or physical cracking.

Installation Tips

  • Disconnect the battery's negative terminal before beginning installation.
  • Ensure all cable lugs are properly crimped and correctly sized for the M8 studs.
  • Securely mount the bus bar to a solid, non-conductive surface.
  • Reinstall the protective covers after all cable connections are tightened.

FAQ

These bus bars are rated for a maximum of 48V DC and can handle a continuous current of 250A.
Each unit features 5/16" (M8) stainless steel studs, providing a secure connection for heavy-gauge ring terminals.
These are ideal for consolidating multiple ground or power wires in automotive, marine, solar, and RV electrical systems. They are frequently used to organize wiring for battery banks, inverters, and high-draw accessory circuits.
Yes, they are designed with corrosion-resistant materials, including stainless steel studs and a durable base, making them suitable for use in marine, off-road, and other demanding environmental conditions.
Ensure the mounting surface is flat and can support the weight of the cables attached. Always use appropriate gauge wire for your specific amperage load and ensure all connections are torqued properly to prevent high-resistance heating at the terminal points.