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Joinfworld 400A Bus Bar 12V Power Distribution Block with 4 x 5/16"(M8) Stud Dual Battery Bus Bar 48V DC Marine Terminal Distribution Block for Automotive Car Solar - Negative&Positive(2 in 1)
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 23, 2026 5:30 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Joinfworld
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓400A Heavy Duty: The 12V Dual Bus Bar rated 400A, besides, this power distribution block can work with MAX 48V DC & 300V AC
✓Dual Bus Bar: Positive and Negative(Ground) 2 in 1 Bus Bar makes your wiring more neat and more save your wiring space. The 400A bus bar terminal block features 6mm(1/4") thicker copper bus bar plate with stainless steel studs and nuts
✓5/16" Stud Terminal: The 400A battery copper bus bar terminal block features 4 x 5/16" studs terminal, which makes the 12V junction block able to accept larger size terminal connectors and wires. The nylon bottom is also secured by M8 post which makes it more fixed and won't strip
✓Waterproof: The 400 Amp copper battery bus bar comes with waterproof rings, which can act as a sealing function, so it makes your wiring more secure and reliable. This dual busbar also comes with removable plates, which makes the wires&terminals go through very easy and prevent short circuit
✓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
⚙️ Specifications
Compatible Devices
Universal
Connector Type
4 posts
Color
400A 4 x 5/16"(M8) Studs
Brand
Joinfworld
Item Weight
13.6 ounces
Number of Ports
4
Input Voltage
48 volts_of_direct_current
Current Rating
400 A
Power Plug Type
No Plug
Package Quantity
1
Unit Count
1 Count
