Best Brass Terminal Blocks in 2026

PARAMETER-----10 stainless steel #8 terminal screws,3*1/4" studs.

WHAT YOU GET-----Cover attaches with nylon nuts to the two outside studs to protect against accidental short circuits. Come with 1/4” and #8 suitable insulated ring terminals.No need to find the small rings anymore.

RANGE FOR USE---- Max voltage: 48VDC. Max continuous amperage: 150ADC. Max intermittent: 20 A per connection (less than 1 minute).

Ideal for Automotive, Solar and Marine Use - Our 250 AMP 4-post power distribution block busbar is ideal for automotive, car audio, solar, and marine use. Whether you need to consolidate, distribute, or protect your electrical system, our bus bars are excellent for managing wires and distributing power.

Includes Both Red and Black Connectors - With these 2 packs of 4 post power distribution blocks, you will have plenty of connection points for both positive and negative wiring terminals with 5/16" holes. The 4-way bus wiring block will make setting up your electrical systems quick, neat, and easy.

Anti-Corrosive & Even Consistent Flow - Our bus bars 12v are anti-corrosive and constructed to handle high currents. The nickel-plated brass contact plate ensures even and consistent flow and stability. Wire up to 4 accessories. Each bus bar terminal block includes a cover to protect connections from damage and corrosion.

Basic Parameters --- 6*#8 stainless steel terminal screws, 4*3/8" studs. The dimensions: 6.7"Lx1.3"Wx2.1H".

Operating Voltage/Amperage range --- Max voltage: 48VDC. Max continuous amperage: 250A for the entire connection. Maximum intermittent: 20A for each connection (less than 1 minute). So whether your working on a boat, a car, or an RV, we've got you covered.

Built for Safe --- Nickle plated brass busbar plates offer low resistance, maximum conductivity, and corrosion protection. The nylon nuts connect to two external studs to prevent accidental short circuits. A removable Nylon cover keeps metal components from making contact with anything. The insulated nylon base is flame-retardant.

Two Blocks of Each Color

UL 600V Rating

UL 12-22 AWG Rating

Basic Parameters --- 6*#8 stainless steel terminal screws, 4*5/16" studs. The dimensions: 6.7"Lx1.3"Wx2.1H".

Operating Voltage/Amperage range --- Max voltage: 48VDC. Max continuous amperage: 250A for the entire connection. Maximum intermittent: 20A for each connection (less than 1 minute). So whether your working on a boat, a car, or an RV, we've got you covered.

Built for Safe --- Nickle plated brass busbar plates offer low resistance, maximum conductivity, and corrosion protection. The nylon nuts connect to two external studs to prevent accidental short circuits. A removable Nylon cover keeps metal components from making contact with anything. The insulated nylon base is flame-retardant.

★【What You Get:】In this terminal block set, it include 5pcs 3 positions double row screw terminal strip blocks with cover, 5pcs black and red pre-insulated barrier jumper strips, 60pcs insulated fork wire connectors. Total 70pcs are well packed in a bag.

★【High Quality:】The terminal blocks are high quality flame retardant PC engineering materials, with excellent flame retardant and impact resistance (transparent dust cover is not flame retardant). High-quality brass guide, excellent electrical conductivity, the appearance of nickel-plated, rust and durable.

★【Product Feature:】The dual row terminal blocks are designed with screws, you can crank down on them for a firm bite; Also include a clear cover to protect accidental touching of the terminal. Transparent cover, clear and intuitive internal components, allows for visual inspection of insert terminals.

【Wide Applications】- The power distribution block is widely used in12-48V auto and marine wiring, trucks, RVs, boats,Trailers and other industrial equipment.

【Good Performance】Bus bar is made of zinc alloy and brass with good electrical conductivity.Each bus bar includes a cover to protect connections from protect against damage and corrosion. The insulated nylon base is flame-retardant.

【Size & Working Rating】-Stud size: 3/8".The battery bus bar is measured 6.7" x 1.3" x 1.73". Maximum amplifier per circuit: determined by the connected wires. Maximum working voltage is DC 48V & up to 250 Amps.

【Perfect DIN Rail Terminal Blocks Kit】Terminal blocks kit comes with 20pcs terminal blocks, 2pcs ground blocks, 2pcs jumpers, 4pcs E/UK end brackets, 4pcs UK-2.5BG end covers, 1pcs 8" aluminum RoHS Rail, 4pcs ZB6 Marker strip.

【Terminal Blocks UK2.5B】The UK2.5B universal screw DIN rail terminal block series has the typical features which are decisive for practical applications. Made from engineering flame retardants nylon PA66 with brass screw metal.It can connect two conductors with ease, even large conductor cross sections are not a problem. Can be used on DIN Rail 35mm, steel or aluminum.

【Ground Terminal Blocks Connectors】The grounding terminal blocks provide an easy-to-identify, convenient, neatly organized grounding bus that is mounted on the DIN rail.The protective terminal blocks has strong clamps to ensure tight fixation on DIN rails to achieve the PE function.

Marine Nickel Plated Brass High Quality!

Far Superior to Tin Plated Competitors!

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".

【Brief Info.】Bus Bar Dimensions (L x W x H) | 138 x 69x44.5mm(5.433"x2.72"x1.75").Stud size: M8 (5/16")；Max Operating Voltage: DC 48V; Max Continuous Amp: 300A

【Waterproof &Dustproof】Removable windows for unobstructed wiring. Moreover. With four removable side plates and two insulated rear covers, the power distribution block is designed to withstand rain and dust-resist the air and seawater erosion.

【Excellent Design】The busbar base is made of nylon - glass fiber reinforced to protect your safety, ensures great mechanical strength and durability.

【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.

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.

Two connections with 3/8" stainless steel studs. Comes with 8AWG 3/8” ring terminals and stainless-steel screws

Reinforced Polycarbonate cover attaches with nylon nuts to protect against accidental short circuits

Max voltage: 48V DC. Max continuous amperage: 250A DC.

Brass terminal grounding strip bus bar block with 8 screws & 2 Stud

High quality plastics base ensures great mechanical strength and durability

Use M4 screws to fix it in place through the two screw holes on both ends of the terminal

Fantastic design: 12 position , 6A, 10A and 20A will be sold together. Two row, 380V terminal strip.

Great size: 105 x 15 x 12 mm/4.13 x 0.59 x 0.47 inch, 110 x 16.5 x 12.5 mm/4.33 x 0.65 x 0.49 inch, 123 x 21 x 14 mm/4.84 x 0.83 x 0.55 inch.

Model: X3-0512, X3-1012,X3-2012. Package quantity: 6pcs.

【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.

30Amp 300V 2x12 position screw terminal block distribution module. Support for multiple module extension connections.

A / B position maximum current 30Amp(each position). A 1~12 total maximum current 30Amp(total positions). B 1~12 total maximum current 30Amp(total positions). A 1~12 / B 1~12 position maximum current 10Amp(each position). Maximum voltage 300V.

A / B terminal blocks, Pitch 7.62mm/0.3", Wire range 26AWG ~ 10AWG / 4.0mm square, Rated voltage 300V, rated current 30Amp. Strip length 8mm. Screws - M3,steel, Cr3+ Zn plated. Pin header and Cage - Brass.

Brass terminal grounding strip bus bar block with 6 screws.

Hole Diameter: 5mm/0.2"; Screw Size: M4.

Mounting Hole Center Distance: 70mm/2.76".

UL 600V

UL 10-22AWG

UL 30A

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

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

✯ Rated voltage/current: 600V/45A.

20pcs/lot 2.54mm 4P PCB Terminal Block

Rated Value : UL AC 150V 6A IEC 130V8A Poles : 4P

Wiring Range: 24-12AWG

It is made of brass conductors, with great electrical conductive and reliability.

Rated Voltage/Current: 500 volts/60 amps; Type: 3 Positions, 2 Rows, H Shape; Fit for Cable: 2.5-16mm².

The Terminal Block is an electrical connector, it consists of flame retardant ABS insulation part brass conductor. For wiring or grounding function.

High Quality Material -- The 10 position terminal bus bar is made of brass, polycarbonate shell, durable, with high strength, high hardness, wear resistance.

Easy to Use -- Without protective cover, the terminal bus bar can be used directly, easy to wire, convenient and fast.

Product Dimension -- Total Size: 109 x 15 x 21mm / 4.3" x 0.6" x 0.83"; Mounting Hole Distance: 93mm / 3.66"; Screw Size: M4.

【1 x (0/4) AWG IN, 2x (4/8)AWG OUT】Our power distribution block adopts input to accept 1/0 or 4 wire, and output to accept 4 or 8 wire, making your system wiring easier, which is very suitable for car audio installation and amplifier wiring.

【Deep Groove Hidden Protection】The power distribution block with a deep groove design can well protect the wiring, effectively prevent the wiring from being exposed to components or other objects that may cause system failure, and make the wiring more durable.

【Easy to Install】The screw-in cable clamp and the impact-resistant plastic cover design make the power distribution block for car audio splitter very easy to install. You only need to connect the cable and cover the plastic cover.

✿2.54mm Terminal Block: The package contains 20 x 4 pin PCB connector, rated voltage: 150V, rated current: 6A, wiring range: 24-12AWG.

✿High-Quality Material: The pin of the PCB screw terminal block is made of brass, which has good electrical conductivity. The shell of the PCB terminal block is made of plastic, flame-retardant and insulated, ensuring safety during use.

✿Wide Application Range: PCB terminal connectors are widely used in low frequency PCB wiring, 2.54mm pitch screw terminals are suitable for electronics, communication equipment, household appliances and alarm devices.

【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.

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

【Unique Design】The battery terminal distribution block base has non-slip sponge, increased Stability. And the blank write-on space on the top allows easy labeling for each branch.

4 gang terminal block neatly organizes wire connections

Corrosion resistant construction

Size: 4 inch x 1-5/16 inch x 11/16 inch

【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

Valuable Package -- include 10 pcs 6 ositions brass terminal strip, nickel plating surface, not easily oxidized, well made, sturdy and last long.

Terminal Block Size -- L*W*H: 3.3"x0.47"x0.8"/83x12x21mm, Hole Diameter: 0.2"/5mm, Mounting Hole Center Distance: 2.7"/70mm.

The terminal blocks are suitable for trucks, cars, yachts, boating wiring, industrial motor controller, junction box and so on.