--- product_id: 627360554 title: "250A 12V Power Distribution Block Bus Bar 4 x 5/16\" (M8) Studs 12 Volt Marine Bus Bar Battery Terminal Block with Cover for Marine, Automotive, RV, Solar, Positive & Negative (Red & Black)" brand: "jiawu" price: "B/.42" currency: PAB in_stock: true reviews_count: 2 category: "Jiawu" url: https://www.desertcart.com.pa/products/627360554-250a-12v-power-distribution-block-bus-bar-4-x-5 store_origin: PA region: Panama --- # 250A heavy-duty current rating 4 x 5/16" (M8) stud terminals Protective cover for safety 250A 12V Power Distribution Block Bus Bar 4 x 5/16" (M8) Studs 12 Volt Marine Bus Bar Battery Terminal Block with Cover for Marine, Automotive, RV, Solar, Positive & Negative (Red & Black) **Brand:** jiawu **Price:** B/.42 **Availability:** ✅ In Stock ## Summary > 🔌 Power your projects with confidence and style — don’t get left in the dark! ## Quick Answers - **What is this?** 250A 12V Power Distribution Block Bus Bar 4 x 5/16" (M8) Studs 12 Volt Marine Bus Bar Battery Terminal Block with Cover for Marine, Automotive, RV, Solar, Positive & Negative (Red & Black) by jiawu - **How much does it cost?** B/.42 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/627360554-250a-12v-power-distribution-block-bus-bar-4-x-5) ## Best For - jiawu enthusiasts ## Why This Product - Trusted jiawu brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Premium ABS, zinc alloy, and brass materials ensure corrosion resistance and long-term durability. - • **Safety First Design:** Protective covers and included nuts minimize accidental shorts and keep your circuits secure. - • **Universal 5/16" Studs:** Four robust M8 studs plus #8 screw terminals accommodate large connectors and thick wires. - • **Versatile Application:** Perfectly engineered for marine, automotive, RV, solar, and industrial wiring setups. - • **Power Up with 250A Capacity:** Handles high current loads effortlessly for your 12V and up to 48V systems. ## Overview The Jiawu 250A 12V Power Distribution Block is a heavy-duty bus bar featuring four 5/16" (M8) stud terminals and three #8 screw terminals, designed for neat and safe wiring in marine, automotive, RV, and solar applications. Constructed from durable ABS, zinc alloy, and brass, it supports up to 250 amps at 12 volts and can handle voltages up to 48V. Included protective covers and nuts enhance safety by reducing short circuit risks, making it an essential component for professional-grade electrical systems. ## Description Product description Jiawu 250A 12V Power Distribution Block Bus Bar 4 x 5/16" (M8) Studs 12 Volt Marine Bus Bar Battery Terminal Block with Cover for Marine, Automotive, RV, Solar, Positive & Negative (Red & Black) What You Get A pair of 12V power distribution block, includes a red and a black power distribution block (Positive & Negative). Combining premium ABS, zinc alloy and brass materials, the 4 terminal bus bar has good durability for long term using. 5/16" Stud The battery bus bar terminal block includes 4 x 5/16"(M8) studs terminal and 3 x #8 screw terminals, which makes the 12V junction block able to accept large size terminal connectors and wires. 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, suitable for automotive, car, truck, marine, boat, solar wiring. Features 12V Bus Bar: The power distribution block can collect the all the electrode harnesses and wires for neat and storage and wiring. With Brass Board: Low in, the brass boad comes with good electrical conductivity and corrosion for stable working. in Work: The rated current is 250A, and the DC 48V bus bar suits perfectly for DC power supply system, very in working. Wide Application: The marine busbar and base can be widely applied to car, vehicle, RV, boat, electrical equipment and so on, and satisfies your various work needs. Strong Materials: Combining premium ABS, zinc alloy and brass materials, the 4 terminal bus bar has good durability for long term using. Specification Item Type: Power Distribution Block Product Specification: M8 Product Color: Red, black. Product Naterial: ABS, zinc alloy, brass. Screw Rated Current: 62.5A Overall Rated Current: 250A Auxiliary Terminal Screw Current: 20A Product Function: Gather the wiring harnesses together and reasonably store the wires inside the vehicle and ship. Application: In power systems such as automobiles, RVs, ships, yachts, etc. Package List 2 x Power Bus Bar Review: Good Product - Sturdy. It is worth it. Review: Heavy Duty - Very heavy duty! ## Features - 【What You Get】A pair of 12V power distribution block, includes a red and a black power distribution block (Positive & Negative). Combining premium ABS, zinc alloy and brass materials, the 4 terminal bus bar has good durability for long term using. - 【250A Rating】The battery distribution block rated 250A when work in 12v circuit, and the battery terminal block can handle 48V. - 【5/16" Stud】The battery bus bar terminal block includes 4 x 5/16"(M8) studs terminal and 3 x #8 screw terminals, which makes the 12V junction block able to accept large size terminal connectors and wires. - 【Protect Cover and 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 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, suitable for automotive, car, truck, marine, boat, solar wiring. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D3XR4RHY | | Best Sellers Rank | #18,151 in Electronics ( See Top 100 in Electronics ) #6 in Distribution Connecting Blocks | | Brand Name | Jiawu | | Color | Red, Black | | Colour | Red, Black | | Connector Type | Screw | | Connector type | Screw | | Country Of Origin | China | | Current Rating | 250 Amps | | Current rating | 250 Amps | | Customer Reviews | 4.7 out of 5 stars 4 Reviews | | Manufacturer | Jiawu | | Material | Acrylonitrile Butadiene Styrene , Brass | | Material Type | Acrylonitrile Butadiene Styrene, Brass | | Mounting Type | Panel Mount | | Mounting type | Panel Mount | | Number Of Contacts | 4 | | Number Of Poles | 4 | | Number of Positions | 4 | | Number of contacts | 4 | | Voltage | 48 Volts | ## Product Details - **Connector type:** Screw - **Current rating:** 250 Amps - **Material:** Acrylonitrile Butadiene Styrene, Brass - **Mounting type:** Panel Mount - **Number of contacts:** 4 ## Images ![250A 12V Power Distribution Block Bus Bar 4 x 5/16" (M8) Studs 12 Volt Marine Bus Bar Battery Terminal Block with Cover for Marine, Automotive, RV, Solar, Positive & Negative (Red & Black) - Image 1](https://m.media-amazon.com/images/I/61nyx2JNOmL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good Product *by S***. on 17 March 2026* Sturdy. It is worth it. ### ⭐⭐⭐⭐⭐ Heavy Duty *by R***Z on 18 February 2026* Very heavy duty! --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.pa/products/627360554-250a-12v-power-distribution-block-bus-bar-4-x-5](https://www.desertcart.com.pa/products/627360554-250a-12v-power-distribution-block-bus-bar-4-x-5) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-08-06*