--- product_id: 462323482 title: "250A Bus Bar 4 x 3/8\" Studs" brand: "joinfworld" price: "₩63584" currency: KRW in_stock: true category: "Joinfworld" url: https://www.desertcart.kr/products/462323482-250a-bus-bar-4-x-3-8-studs store_origin: KR region: South Korea --- # 250A max current rating 4 x 3/8" heavy-duty studs Protective cover & nuts included 250A Bus Bar 4 x 3/8" Studs **Brand:** joinfworld **Price:** ₩63584 **Availability:** ✅ In Stock ## Summary > ⚡ Power your projects with precision and protection! ## Quick Answers - **What is this?** 250A Bus Bar 4 x 3/8" Studs by joinfworld - **How much does it cost?** ₩63584 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/462323482-250a-bus-bar-4-x-3-8-studs) ## Best For - joinfworld enthusiasts ## Why This Product - Trusted joinfworld brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Protective covers and nuts minimize accidental shorts and enhance circuit safety. - • **Built to Last:** Thick 4mm copper bus bar plate ensures superior conductivity and durability. - • **Versatile Application:** Perfect for automotive, marine, solar, and industrial wiring setups—keep your system neat and fail-proof. - • **Powerhouse Performance:** Handles up to 250A at 12V for robust, reliable power distribution. - • **Heavy-Duty Connectivity:** Equipped with 4 large 3/8" studs and #8 screw terminals for versatile cable compatibility. ## Overview The Joinfworld 12V 250A Power Distribution Block features thick 4mm copper plates and 4 heavy-duty 3/8" studs, designed for high-current automotive, marine, and solar wiring. With protective covers and secure mounting, it ensures safe, tidy, and reliable power distribution in demanding environments. ## Description Joinfworld Bus Bar 12V 250A Power Distribution Block 4 x 3/8" Studs Marine Bus Bar 12 Volt Battery Busbar Terminal Block for Automotive, Car, Boat, Solar Wiring - Negative&Positive: desertcart.com: Industrial & Scientific ## Features - Upgrade & Thicken: A pair of 12V power distribution block, includes a red and a black power distribution block(Positive&Negative). Our 12V Bus Bar also features 4MM Thicker Copper Bus Bar Plate which can be connected to wider range of cables - 250A Rating: The power distribution block bus bar rated 250A when work in 12v circuit, and the battery terminal block can handle MAX 48V - 3/8" Stud: The battery bus bar terminal block includes 4 x 3/8" studs terminal and 3 x #8 screw terminals, which makes the 12V junction block able to accept large size terminal connectors and wires. The nylon bottom is also secured by M10 post which makes it more fixed and won't strip - 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 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B2JGKTFN | | Best Sellers Rank | #2 in Distribution Connecting Blocks | | Brand Name | Joinfworld | | Color | 250A-Bus Bar | | Connector Type | Screw | | Current Rating | 250 A | | Customer Reviews | 4.7 4.7 out of 5 stars (1,005) | | Included Components | 1 x Positive&Ground Power Distribution Block; 4 x Mounting Screws | | Item Dimensions W x H | 6.61"W x 2"H | | Manufacturer | Joinfworld | | Material Type | Copper, PA66 | | Model | BB250-T4M10S3-C-RB-2 | | Mounting Type | Surface Mounting | | Number Of Contacts | 7 | | Number Of Poles | 4 | | Number of Items | 2 | | Number of Packs | 2 | | Number of Positions | 4 | | Part Number | BB250-T4M10S3-C-RB-2 | | Pitch | 0.38 inches | | Specification Met | CE | | UPC | 751717591571 | | Unit Count | 2 Count | | Upper Temperature Rating | 90 °C | | Voltage | 12 volts | ## Product Details - **Brand:** Joinfworld - **Color:** 250A-Bus Bar - **Connector Type:** Screw - **Current Rating:** 250 A - **Item Pitch:** 0.38 inches - **Material:** Copper, PA66 - **Mounting Type:** Surface Mounting - **Number Of Contacts:** 7 - **Number Of Poles:** 4 - **Voltage:** 12 volts ## Images ![250A Bus Bar 4 x 3/8" Studs - Image 1](https://m.media-amazon.com/images/I/71v-GKOhKwL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: is busbar copper or brass?** A: Joinfworld 250A 12V Bus Bar 3/8" Power Distribution Block is made of COPPER with good electrical conductivity. ## Frequently Bought Together - Joinfworld Bus Bar 12V 250A Power Distribution Block 4 x 3/8" Studs Marine Bus Bar 12 Volt Battery Busbar Terminal Block for Automotive, Car, Boat, Solar Wiring - Negative&Positive - TKDMR 10pcs 1/0 AWG-3/8 Battery Lugs,Heavy Duty Wire Lugs,Ring Terminals,Battery Cable Ends,0 Guage terminals,Battery Terminal Connectors with 10pcs 3:1 Heat Shrink Tubing - TKDMR 160Pcs Copper Wire Lugs AWG2 4 6 8 10 12 with Heat Shrink Set, 80Pcs Battery Cable Ends Ring Terminals Connectors Tubing Assortment Kit --- ## 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.kr/products/462323482-250a-bus-bar-4-x-3-8-studs](https://www.desertcart.kr/products/462323482-250a-bus-bar-4-x-3-8-studs) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-09-04*