Best Copper Terminal Blocks in 2026

★【Clean Installation】- How to clean up your cluttered battery terminals? Our terminal strips greatly simplified and neatened up your install. The pressure washer style terminal accepts a bare wire and the jumpers allow signals or power to be distributed neatly. This way you can easily disconnect a wiring branch without taking down the entire system.

★【Heavy Duty】- Our terminal/barrier strips are well made sturdy and with quality and robust screws. You can crank down on these for a firm bite. These allowed you to connect each power wire very cleanly to each source (ground, battery, and ignition on). Great for compact wiring jobs.

★【Protect Cover】- Our dual row screw terminal strips that also include a clear cover to protect accidental touching of the terminal. It will be more safer when the terminals are protected by snap-in plastic "lids". Be careful when mounting these covers.

Voltage Max Operating: 58V DC, Amps Max Operating: 300A per block, Terminal Fuses Avail.: 30A-300A, Terminal Stud Size: 5/16"-18 (8mm), Mounting Hole Size: #10 (5mm)3/8"

Compact, high-amp fuse—appropriate for DC Main, inverter, windlass, and bow thruster circuit protection

Weatherproof – suitable for small open-cockpit boats and other harsh environments

Two Blocks of Each Color

UL 600V Rating

UL 12-22 AWG Rating

★【What You Get】 - In this terminal block set,it include 6pcs 4 positions 600V 15A double row screw terminal strip blocks with cover,6pcs 400V 15A pre-insulated barrier jumper strips,60pcs insulated fork wire connectors,1pc screwdriver.Total 73pcs packed in a bag.

★【Easy Install】 - The terminal strips are easy to install and held in place by two screw holes at either end of the terminal.The fork terminal stripe can be cut in any position to meet with your different demand.You have the option of of making 4 individual connections or by using the whole barrier bar or part of it up to 4 connections to a single line. Once the connections have been made, clear plastic covers are included that push lock into place to protect the terminals.

★【Heavy Duty】 - Our terminal/barrier strips are well made sturdy and with quality and robust screws. You can crank down on these for a firm bite. The shell is made with flame resistant material, more safer. Copper plate conductor has good electrical conductivity and also nickel plated has a better anti-oxidation performance which make it more durable.

Product Name: [1] 6P Dual Row Terminal Block Stripe; [2] 12P Fork Type Terminal Stripe

[Terminal Block Stripe] 600V 15A, Material : Copper, Plastic

[Fork Type Terminal Stripe] 400V 10A, Material : Copper, PVC

✅【Main Parameters】A pair of red & black base 6 screw terminal power distribution block with ring terminal and cover, wide range of use to protect your safety. Max voltage: 300V AC/48V DC; Continuous Rating: 130A AC/150A DC. Terminal Screw: M4 x 6; Terminal Stud: M6 x 2.

✅【Safety Quality】Nickel-plated copper busbar contact plate has low resistance, maximum conductivity and anti-corrosion protection. High temperature resistance, abrasion resistance, and safer use. 6 terminal bus bars are ideal for car and marine boat wiring, helping to organize and clean up messy wiring, suitable for all types of power and ground distribution.

✅【Excellent Accessories】Transparent polycarbonate cover adds extra protection, fireproof and dustproof, and protection from accidental touch. Environmentally friendly flame-retardant nylon base has best mechanical strength and durability. Stainless steel studs and screws are anti-rust and anti-corrosion, suitable for any environment.

Practical Terminal Block Kit:How to clean up your cluttered wire connection?Our double row screw terminal strip block can help you to connect bare wires to avoid clutter, making wiring connection simpler and more efficient.This way you can easily disconnect a wiring branch without taking down the entire system.

Product Feature:The dual row terminal blocks are designed with screws, you can crank down on them for a firm bite; We also provide thick copper heat shrink wire connectors to ensures strong secure crimping every time.

Heavy Duty:The terminal blocks are high quality flame retardant PC engineering materials, with excellent flame retardant and impact resistance. High-quality insulated fork wire connectors kit is thick copper,with safe and durable.

Pinch terminal distance is 5 mm/ 0.2 inch; Color: green

Rated value: 300 V 10 A; 2 Pins

Screw terminal block material: plastic and copper

Package Includes: 2 x Terminal Bus Bar

Contact material: copper Production process: cold pressing Insulator material: plastic.

Total Size: 83 x 12 x 21mm/3.3" x 0.5" x 0.8"(L*W*H). Mounting Hole Diameter:4mm/0.16".

【Product Name】- Battery bus bar terminal block, these busbars will come in pairs, include one positive bus bar (red one) and one negative bus bar (black one).

【Terminals & Rating】- Each 12v power distribution block includes - 6 x M8 (5/16") terminal studs. This battery distribution block can handle voltage @ Max 300V AC, 48V DC, and continous amperage @ Max 130A AC, 150A DC.

【Round Corner Base】 - The 12v bus bar is unique round corner base design, which makes the battery terminal block unique and special, looks more extraordinary compared with other busbars.

【Easy to Use】The patented design, different from the ordinary rail connector, does not require the tedious tightening of screws, just insert the rail terminal into the 35mm iron and aluminum DIN rail, lift the orange clip, insert the wire into the hole until you feel the resistance, then lower the orange lever and complete the operation, saving 70% of the operation time.

【Perfect DIN Rail Terminal Blocks Kit】Terminal blocks kit comes with 40pcs 12AWG terminal blocks, 4pcs connection bar, 4pcs digital identification, 2Pcs Fixed clamp,40pcs screws, 2pcs end stopper bracket and a transparent storage box.

【Universal Compatibility】 This Wire Connector is suitable for solid and flexible wire. Connect any combination of solid, stranded, and flexible copper wires. Suit for solid wire 0.08-4.0mm² /28-12 AWG, flexible wire 0.5-2.5mm² /20-14 AWG. It is widely used in distribution boxes, control cabinets, switchgear, complete sets of equipment, machinery etc.

Features: Marine bus bar junction block 12v, these busbars will come in pairs, include one positive bus bar (red one) and one negative bus bar (black one).

Rating: Max voltage: 300V AC, 48V DC. Max continuous amperage: 130A AC, 150A DC. This battery distribution block will be suitable for both AC and DC systems.

Terminals: Each battery bus bar 12v includes - M8 (5/16") terminal studs x 4 and M4 (#8) screw terminals x 6, two power bus bars in the package - one positive bus bar and one ground bus bar.

Terminal Block Type - Dual row 6 position screw terminal block with cover and terminal jumper block.

35A Larger Amp Rating - The rating of this terminal strip is 600V 35A, which makes it can handle a wider range of using scenarios compared with others.

Protect Cover - Each marine terminal block will come with a cover, which will shelter most exposed contact areas to reduce the risks of causing short circuit or accidental touching.

【Heavy Duty】 Max Voltage: 48V DC Max Continuous Currents: 300 Amps. high current combiner box, modular box design, easy wiring configuration.

【High-quality】The base is made of nylon - glass fiber reinforced , ensures great mechanical strength and durability,Has good flame retardant performance. The battery distribution block is made of brass and nickel plated, which is sturdy and rust-resistanted.

【Removable window】Design of 6 detachable windows, the number of windows can be disassembled according to user needs for unobstructed wiring.

Package includes – (1) 2 packs bus bar terminal block w/ polycarbonate protective cap, (2) 4 screws, (3) Positive/negative Stickers, (4) 44 terminals, (5) protective cover

Power distribution block bus bar: include (20) 8/32" studs for large cables and (2) 1/4" screws # 20 Bolts for smaller loads.

MAX VOLTAGE: 300V AC/ 48V DC. Max continuous amperage: 130A AC/ 150A DC.

UL 600V

UL 10-22AWG

UL 30A

Durable material: these white terminal blocks adopt flame-retardant PP material shell, which have insulation, corrosion resistance and wear resistance; They can stand temperature between - 40 to 150 degrees Celsius, which have nice electrical conductivity

Nice performance: the plated zinc alloy screws and copper-plated zinc alloy terminals have nice stability and conductivity, which can serve you for a long time, enough quantity for you to use

Safe to use: the tightly screw can ensure reliable electrical contact, and helps prevent accidental contact with the terminal, so you can use it with confidence

Material : Tinned Copper ( C11000 ) ,Length : 12 inches (300MM),Terminal Lugs : 6-8,

General purpose Flat Tinned copper braids,Recommended by EMC/EMI directives

Electrolytic copper Cu-ETP according to standard EN13602,UL Listed (UL467) except BJ,EAC certificate,RoHS 2002/95/EC Compliant

✯ Category: Barrier Terminal Strip; Type: TB-4503L, 3 Positions Dual Rows.

✯ Material: Copper, PVC; Color: Black, Brass Tone.

✯ Rated voltage/current: 600V/45A.

Material: the base is made of hard plastic, the circuit board is made of copper, stainless steel terminal, PC protective sleeve, durable.

Model: Red base, M6 terminal stud x4, M4 screw terminal x 6.

Features: Maximum voltage: 300V AC, 48V DC. Maximum continuous amperage: 130A AC, 150A DC.

✯ Category: Ground Terminal Block; Type: USLKG2. 5N, Rated voltage/current: 690V/34A.

✯ Material: Nylon PA66 Housing + Alloy Copper Bodies + Nickel-plated Screws.

✯ Installation Method: DIN Rail Mounted, universal mounting foot to easily mount onto DIN rail.

Press-fit/Insertion Style Jumper

Erayco Jumper 10 Pole Size

Used with UK-2.5B UK5N UDK4 UKK5 block terminal

【12 POSITION & 3A】12 position, 3A, 380V, 2 row terminal barrier strip wire connector

【SUITABLE WIRE】For cable: 1.5-2.5mm²

【SAFE & RELIABLE】Each pair of terminals is insulated from the next, preventing circuits from disorder.The set screws secure wires reliable contact and help prevent accidental contact with the terminals

【Parameter】 - Model:E/UK ; Mounting rail width: 35mm/1.38" ; Length: 42.1mm/1.66" ; Width: 9.5mm/0.37" ; Height: 35.3mm/1.39"

【Material】 - This terminal block is made of plastic material, and the screw fixed type is suitable for din rail

【Features】 - The sturdy structure can be firmly locked on the din rail. It is easy to insert the wire, and the screw terminal can firmly fix the wire

Safe Design : the terminal strips set come with transparent protection covers whick will shelter most exposed contact areas to reduce the risk of accidental touching, mounting the snap-in plastic covers after wiring. red and black jumpers to help customers distinguish positive and negative wire when installation

Neat Wiring Jobs : The dual row terminal strips are easy to install,you just need to fix wires with screws,you can connect each power wire very cleanly to each source (ground, battery, and ignition on), disconnect a wiring branch without taking down the entire system

Heavy Duty & High Quality : the GAJING terminal/barrier strips are well maded, The shell is made with flame-retardant polycarbonate,the Conductor is made with Nickel-Plated Copper which has excellent electrical conductivity and Anti-rust.

★Stable & Reliable: The inside of the terminal strip is composed of electro galvanized alloy screws and copper zinc alloy terminals, which have good conductivity and stability.

★Insulated Matelril: These block connectors adopt flame-retardant PP material shell, which feature with insulation, corrosion resistance and wear resistance. The high temperature resistance of the terminal strip can reach 90℃.

★Custom Design: To meet your wiring needs, the terminal strip supports arbitrary cutting. You can cut the terminal strip into different sizes with scissors or knives according to your needs.

It is made of high-quality copper and made of nickel electroplating material, which is durable.

Widely used in machinery, shipbuilding, aviation, electric power, railways, household appliances, computers or other automation equipment.

Material: nickel-plated copper.

PVC SHELL: Barrier fork type stripe has PVC flame retardant insulation sheath, with flame retardant and anti electric characteristics, providing stable performance.

CUTTABLE: Fork type terminal block barrier strip has 3 sizes to choose from, so you can cut the right positions according to the actual number of positions.

COPPER CONDUCTOR: Jumper block terminal strips are designed with premium copper conductor with good conductivity, providing you with better using experience.

Easily Wire 10 separate circuits with this Din Rail terminal block assembly

Assembly for Power Distribution

28-12 AWG Wire Range

Heavy Duty:Max Voltage: 48V DC Continuous Currents: 400Amps with M10 TERMINAL STUDS (Also available in M8) high current combiner box, modular box design, easy wiring configuration.

BusBar Material: Tin-Plated Copper, has good electric conduct performance and sturdy rust-resistant;Base Material: Glass Fiber and Reinforced Nylon made,glass fiber reinforced ,ensures great mechanical strength and durability

Unique Design:Module box design, great for multiple battery wiring configurations