Heavy Duty 400A Bus Bar 12V 48V DC Waterproof Power Distribution Block with 4 x 3/8" Studs Automotive Marine Battery Terminal Distribution Block with Cover - Negative&Positive
Heavy Duty 400A Bus Bar 12V 48V DC Waterproof Power Distribution Block with 4 x 3/8" Studs Automotive Marine Battery Terminal Distribution Block with Cover - Negative&Positive
Available in stock (85)
- 400A Heavy Duty: The 12V Bus Bar rated 400A, besides, this power distribution block can work with MAX 48V DC & 300V AC
- Superior Material: The 400A bus bar terminal block features 8mm(0.32") thicker copper bus bar plate with stainless steel studs and nuts. Red Positive Busbar and Black Negative(Ground) bus bar as a pair
- 3/8" Stud Terminal: The battery copper bus bar terminal block includes 4 x 3/8" studs and 3 x #10(M5) screw terminals, which makes the 12V junction block able to accept larger size terminal connectors and wires. The nylon bottom is also secured by M10 post which makes it more fixed and won't strip
- Unique Cover & Nuts: Each power busbar will come with a protect cover and two nuts, which helps to shelter as much exposed area as possible to reduce the risks of accidental contact and prevent short circuit, makes the circuit safer
- Wide Application: The 12 volt buss bar with cover aims to make the wiring of circuit become neat and tidy, preventing mess harness from causing electric short circuit, it is suitable for automotive, car, truck, marine, boat, solar wiring
Couldn't load pickup availability
Get $20 off when you spend $1,000 or more! Learn more
Why Choose Rocksolar?
Why Choose Rocksolar?
Rocksolar is Canada's trusted source for professional-grade solar equipment. With years of experience in renewable energy, we provide reliable, certified products backed by comprehensive warranties and expert support. From homeowners to commercial installers, thousands trust us to deliver quality solar solutions that perform for decades.
Installation Information
Installation Information
Designed for DIY installation by those comfortable with basic electrical work.
What You'll Need:
- Basic electrical tools (wire strippers, screwdrivers, multimeter)
- Understanding of electrical safety and local codes
- 2-4 hours for typical installation
Included: Detailed manual with diagrams, wiring schematics, and access to online video tutorials.
Note: Follow local electrical codes. Permit may be required. Contact our technical support team at 1-800-858-4318 with any questions.
Shipping & Rerturns
Shipping & Rerturns
- Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
- Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
- If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
No downloads available for this product.
Talk to Our Solar Experts
Have questions about this system? Our solar specialists are here to help you choose the right setup for your needs. Whether you need sizing guidance, installation support, or bulk pricing, we're ready to assist.
- Expert System Sizing
- Bulk Order Pricing
- Technical Support