T Tocas
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300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
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300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
The thickened Copper bar can support up to 300 Amps continuous current, ensuring unmatched performance and safety for all your 12-48 volt applications.
300A Bus Bar Power Distribution Block Terminal 4 x 5/16" (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black
Item #: 81569491

300A Bus Bar Power Distribution Block Terminal 4 x 5/16" (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring -

Item #: 81569491

MMK 196326

Price Details

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*All items will import from US

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The thickened Copper bar can support up to 300 Amps continuous current, ensuring unmatched performance and safety for all your 12-48 volt applications.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Current Capacity
Designed to handle up to 300A, ensuring reliable power distribution for various applications, such as marine and automotive setups, surpassing standard blocks in both performance and durability.
Versatile Terminals
Equipped with four 5/16" (M8) terminal studs, this block allows for multiple connections, facilitating easy setup and reducing clutter in wiring for seamless installation.
Protective Cover
Includes a durable cover that enhances safety, prevents accidental short circuits, and protects terminals from environmental factors, making it ideal for harsh marine and automotive conditions.

Product Details

Shop 300A Bus Bar Power Distribution Block Terminal 4 x 5/16 (M8) | Heavy Duty Busbar Powerbar with Cover for Automotive, Car, Solar Wiring - Positive&Negative |12V-48V DC Red&Black online at a best price in Myanmar. B0BMPZP72K
Current Rating300 A
Connector TypeScrew
Number Of Contacts4
Mounting Typesurface
Voltage48 volts
Number Of Poles4
Number of Positions2
Pitch0.31 inches (0.8 cm)
Item Dimensions W x H2"W x 4.02"H (5.1 cm)
Material TypeNylon,Glass Fiber reinforced and PC
Color300A-4x 5/16"- Black& Red
Brand NameT Tocas
ModelAOA4613CRB-M8
Number of Items2
ManufacturerT Tocas
Included Components1
Item Weight1.3 pounds (590 grams)
Part NumberAOA4613CRB-M8
Specification MetS.a.e. J1625, J1171, Ul1500
Item Pitch0.31 inches (0.8 cm)
MaterialNylon,Glass Fiber reinforced and PC
BrandT Tocas

Who Should Buy?

Suitable For
  • Marine Applications

    Ideal for boat enthusiasts needing reliable power distribution for various marine electronics and systems.

  • Automotive Use

    Perfect for automotive applications requiring robust power management for high-current devices and accessories.

  • RV Owners

    Great for RV owners who need efficient power distribution to support multiple electrical systems during travels.

Not Suitable For
  • Low Power Devices

    Incompatible for users with low power applications that do not require such high capacity or redundancy.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the maximum current rating for the 300A Bus Bar Power Distribution Block?

    Answer: The 300A Bus Bar Power Distribution Block is rated for a maximum current of 300 amps. This heavy-duty capacity makes it ideal for various applications, such as automotive wiring, solar energy systems, and other DC electrical setups. By ensuring your setups can handle high currents, this busbar allows multiple connections without risk of overload, enabling clean and organized wiring in vehicles or solar installations.
  • Question: Can this bus bar be used for both automotive and solar applications?

    Answer: Yes, this bus bar is versatile enough to support both automotive and solar applications. It operates effectively in a voltage range of 12V to 48V DC, catering to the needs of car audio systems, RVs, and solar panel installations. This adaptability makes it a valuable component for anyone looking to manage power distribution efficiently, whether on the road or off-grid.
  • Question: What materials are used in the construction of this bus bar?

    Answer: The 300A Bus Bar is constructed from high-quality, corrosion-resistant materials designed for durability and performance. The bus bar typically features a solid copper core for excellent conductivity, ensuring minimal voltage drop and heat generation. The protective cover included further enhances its longevity by protecting connections from environmental factors, making it a reliable choice for both indoor and outdoor installations.
  • Question: How do I connect the wires to the bus bar?

    Answer: Connecting wires to the bus bar is straightforward. Each terminal features four 5/16-inch (M8) bolt connections, allowing for secure attachment of your positive and negative leads. You simply loosen the bolts, place your wires in position, and re-tighten them. This method provides a solid electrical connection, which is essential for the efficient functioning of your automotive or solar setup.
  • Question: Does the bus bar come with a cover, and why is it important?

    Answer: Yes, this bus bar does come with a cover, which is an important feature for safety and protection. The cover helps prevent accidental contact with live terminals, reducing the risk of electrical shorts or shocks. Additionally, it helps keep dust and moisture away, ensuring that the connections remain clean and reliable over time, especially in harsh outdoor environments.
  • Question: Can I use this bus bar for high-power audio systems in cars?

    Answer: Absolutely! The 300A Bus Bar is perfect for high-power audio systems in cars, as it can handle up to 300A of current. This ensures that your audio system gets the power it needs without potential disruptions. By optimizing your wiring with this bus bar, you can expect clearer sound quality and improved system performance while maintaining a neat wiring layout.
  • Question: What is the color coding of the bus bar terminals, and what do they signify?

    Answer: The bus bar terminals are color-coded in red and black. Red typically signifies the positive connection, while black denotes the negative. This color coding helps users easily identify and connect wires correctly, ensuring that the electrical systems function correctly and safely. This feature is particularly useful in preventing wiring errors that can lead to malfunction or damage.
  • Question: Is this bus bar suitable for marine applications?

    Answer: Yes, this bus bar can be used in marine applications due to its durable construction and resistance to corrosion. It’s an ideal choice for boats and marine vehicles where reliable power distribution is essential. The robust design ensures that it can handle the marine environment, providing safe and efficient operation for devices on board.
  • Question: What are the dimensions of the 300A Bus Bar Power Distribution Block?

    Answer: The specific dimensions of the 300A Bus Bar Power Distribution Block should be referred to on the product specification sheet or listing. Generally, its compact size is designed to make it easy to fit within automotive and solar installations. Its design allows for organized connections that save space and facilitate wiring in applications where room is a premium.
  • Question: Where can I buy the 300A Bus Bar Power Distribution Block in Myanmar?

    Answer: You can buy the 300A Bus Bar Power Distribution Block at Ubuy, which offers a wide selection of automotive and solar products. Ubuy provides a seamless shopping experience, allowing you to find this essential power distribution block along with other necessary components for your projects.

T Tocas Connecting Blocks Editorial Review

The 300A Bus Bar Power Distribution Block Terminal 4 x 5/16" (M8) by T Tocas is a heavy-duty power distribution solution designed for automotive and solar wiring applications. Its impressive current rating of 300 A allows for efficient power distribution across its four screw-type contacts. This product features a robust construction with nylon, glass fiber reinforcement, and polycarbonate materials, ensuring durability and longevity. Users appreciate its versatility, as it accommodates both positive and negative wiring configurations within a voltage range of 12V-48V DC. Additionally, it meets industry specifications like S.a.e. J1625, ensuring reliability for electrical setups. Overall, this busbar is an ideal choice for those seeking a dependable and high-capacity wiring solution.

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Pros

  • High current rating of 300 A
  • Durable nylon and glass fiber construction
  • Designed for both automotive and solar applications
  • Meets SAE industry standards
  • Screw connector type for solid connections

Cons

  • Might be slightly bulky for compact installations

Platform Trust & Buyer Confidence

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

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23 July 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

MMK 196326

Order now and get it around Thursday, August 27

QTY:

Only 3 items left in stock.
Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

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  • fedex
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Fastest cross-border delivery

Features & Benefits

  • Supports continuous current up to 300 Amps for reliable performance.
  • Versatile in applications: perfect for cars, marine, solar systems, and more.
  • Constructed with high-quality stainless steel and fiberglass nylon for durability.
  • Quick and easy installation with a tidy wiring configuration.
  • Includes removable wiring holes to protect against short circuits.
  • Compact size fits conveniently in various setups.

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