PickSmartly Buying Guide

Best Green Screw Terminals in 2026

5.6 PM Score
Products Compared
9
Brands Ranked
8
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In the world of electrical engineering and industrial automation, the reliability of a connection is often the difference between a high-performing system and a catastrophic failure. Green screw terminal blocks serve as the fundamental junction points for control wiring, signal routing, and power distribution. Recognized by their distinct green housing—which typically signifies a ground or earth connection in many standardized color-coding schemes—these components are designed to provide a secure, vibration-resistant mechanical bond between a conductor and a circuit. Whether you are building a custom control panel, maintaining industrial machinery, or setting up a complex sensor array, selecting the right terminal block is critical for ensuring electrical continuity and long-term safety.

Editor's Choice

Our Top Picks for Green Screw Terminals

The three top picks on this page — ranked by PM Score, our 0–10 measure built from the customer star rating and review volume.

Augiimor 15PCS G/KF128 6 Pin 2.54mm Pitch PCB Screw Terminal Block Connector 150V 6A PCB Mount Screw Terminal Block Connector (Green)

Augiimor 6-Pin PCB Screw Terminal Block Connectors

AUGIIMOR XYDA0131

PM Score for AUGIIMOR (PM Score)

5.6 PM Score
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  • 【Package Includes】: 15PCS x PCB Teminal Blocks.
  • 【Product Feature】: 6 Positions, Rated value: 150V 6A, Plug-In PCB terminal block connector.
  • 【Easy To Use】: Handy and easy to assemble. Can be applied for PCB prototypes.
  • 【Application】: PCB terminal is widely used in almost all electronic equipment, such as small eletronic watches, calculatros, greneral computer, communication electronics equipment.
  • 【Risk-Free Guarantee】: You will get a full unconditional money back guarantee if you are not happy with this product .If you have any questions, please feel free to contact us to get the most satisfactory results.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YIDAA 7.39 Yes Yes Yes

Most hobbyists assume that reliable electrical connections require bulky, expensive components, but these compact terminal blocks prove otherwise. I found that the Augiimor 6-pin connectors provide a surprisingly stable interface for much smaller scale prototyping work. With a 150V and 6A rating, they handle the power needs of everything from basic calculators to communication electronics without breaking a sweat. The 2.54mm pitch makes them incredibly easy to integrate into existing PCB layouts, and the plug-in design simplifies the assembly process significantly. Whether you are building a custom computer peripheral or working on a small electronic watch project, having a 15-piece set on hand ensures you won't be left hanging mid-build. They are straightforward, functional, and essential for anyone serious about organized circuit prototyping.

What We Like
6-pin configuration
150V 6A rating
Easy PCB assembly
Plug-in design
15-piece set

GINTOOYUN 5 Sets 3.81mm Phoenix Connector 4 Pin, 300V 15EDGRK 4-Pole 3.81mm Ground Circuit Terminal Blocks, 3.81mm Pitch 4P PCB Screw Terminals (Green...

GINTOOYUN 4-Pin Phoenix Connector Terminal Block Sets

GINTOOYUN FQL-2021111002

PM Score for GINTOOYUN (PM Score)

5.1 PM Score
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  • 15EDGRK 4-Pole terminal pitch: 3.81mm. Plug-in terminal, non-welding butt. One set: socket + wiring female head. Suitable for electrical connection, bid farewell to traditional wiring, bid farewell to dangerous, safe wiring
  • 3.81mm 4P ground circuit terminal blocks. Rated voltage & current: 300V 8A. Wire range: 28-16AWG. They are widely used in electronics,communication equipment,instruments,computers,automatic control systems and alarm equipment,etc
  • 3.81mm phoenix connector, anti-vibration design to ensure the long-term airtight connection, low control signal loss, high switching frequency, no mechanical contact jitter, not affected by position and long service life
  • Use high-quality environmental protection plastic PA66 high temperature resistant V0 flame retardant material, temperature range is -40℃ - +105℃. Steel screw environmentally friendly electroplating,no slippage. Surface nickel plating treatment,corrosion resistance,high stability
  • PCB din rail adapter, easy to install and detach, just need to loosen the screws to land the wires. The quick disconnect connecting block that makes these terminals easy to swap out another device without unscrewing all the wires
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FONGQLONG 9.70 Yes Yes Yes

Most people assume that reliable electrical connections require permanent soldering, but these plug-in terminal blocks prove that speed doesn't have to sacrifice stability. I found that the GINTOOYUN 3.81mm pitch connectors completely eliminate the headache of traditional wiring by utilizing a socket and female head system that allows for quick swaps. The anti-vibration design is a standout, ensuring that high-frequency signals remain steady without the mechanical jitter common in cheaper alternatives. Built from V0 flame-retardant PA66 plastic, they handle temperatures from -40℃ up to +105℃ with ease. Whether you are working on automatic control systems or communication equipment, the nickel-plated steel screws provide a secure, corrosion-resistant grip that stays put even in demanding environments.

What We Like
V0 flame retardant
Anti-vibration design
Quick disconnect system
High temperature resistant
Corrosion resistant screws

Cermant 20 Set 3 Pin 5.08mm (0.2inch) Pitch Male Female Plug-in PCB Screw Terminal Block Connector Panel Mount DIY (5.08mm-3P-20Set)

Cermant 3-Pin Pluggable PCB Screw Terminal Blocks

CERMANT CELENT_CL8692

PM Score for CERMANT (PM Score)

5.1 PM Score
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  • Terminal Pitch:15EDG 3.81mm plug-in terminal block
  • Pin Number: 3,Rated Value: 300V 8A,Wire range: 28-16AWG,Color: Green
  • The pluggable terminal are made of high-quality materials, which are strong and durable. The highly insulated and flame-retardant shell can be used safely and reliably
  • The terminals are widely used in electronics, communication equipment, instruments, calculators, automatic control systems, household appliances and warning devices
  • Package Content : 10 Set Right Angle Connector
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
zhihengxinxi 9.93 Yes Yes Yes

Most hobbyists settle for permanent solder joints that make troubleshooting a nightmare, but these Cermant pluggable terminal blocks offer a much smarter way to manage your wiring. I found that the right-angle design and 5.08mm pitch make them incredibly easy to integrate into tight PCB layouts without sacrificing stability. The flame-retardant green shell feels substantial and provides the kind of reliable insulation you need for high-stakes projects like automatic control systems or communication equipment. With a 300V 8A rating and compatibility for 28-16AWG wire, these connectors strike a great balance between versatility and safety. Whether you are building custom instruments or working on household appliance repairs, having a detachable connection point saves a massive amount of time during the testing phase.

What We Like
Pluggable design
Flame-retardant shell
300V 8A rating
Right angle connector
28-16AWG compatible

ICI Dinkle Green DK4N-GN DIN Rail Terminal Block Screw Type UL 600V 30A 10-22AWG, Pack of 100

International Connector Green DIN Rail Terminal Blocks

INTERNATIONAL CONNECTOR DK4N-GN 0.24 X 1.59 X 1.56 Inches
  • UL 600V
  • UL 10-22AWG
  • UL 30A
  • Green Color
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DIN Rail Terminal Blocks 9.91 Yes Yes Yes

Most electrical engineers overlook the color of their hardware until a wiring error causes a massive headache in the field. These International Connector DIN rail terminal blocks solve that visibility problem immediately with their distinct green housing, making them easy to spot within a crowded control panel. I found the screw-type connection to be incredibly reliable for the 10-22AWG wire range, providing a secure seat that holds up under 30A loads. Since they are UL rated for 600V, you can trust the safety margins during high-voltage installations. Getting a pack of 100 at this price point makes them a practical staple for any professional workshop or large-scale industrial build where consistency is non-negotiable.

What We Like
UL 600V rated
30A capacity
10-22AWG compatibility
Screw type connection
High-visibility green

300V 8A KF2EDGK 3.5mm Pitch 12 Pin Pluggable PCB Screw Terminal Block Connector Green, Pack of 10

Jing 12-Pin Pluggable PCB Screw Terminal Blocks

JING LE02133

PM Score for JING (PM Score)

4.9 PM Score
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  • 【Terminal Pitch】: 3.5mm/ 0.14inch pitch PCB terminal block connector.
  • 【Specification】:Rated Value: AC300V, Rated Current: 8A,Withstanding voltage:AC1500V/1Min; Wiring Range: 28-16AWG
  • 【Application】: Pluggable terminal block connector.is made of plastic and copper, handy and easy to assemble. PCB terminal is widely used in almost all electronic equipment, such as greneral computer, calculatros, small eletronic watches, communication electronics equipment etc.
  • 【Feature 】: Pluggable terminal block is a PCB DIN rail adapter, easy to install and detach.
  • 【Package Included】: 10Pcs 10Pin 3.5mm pitch PCB terminal block.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
liuuuu 9.55 Yes Yes Yes

You are elbow-deep in a custom circuit board build for a communication device and realize your wiring is becoming a nightmare to maintain. These jing pluggable terminal blocks solve that exact headache by allowing you to detach and reattach connections without desoldering anything. The 3.5mm pitch is perfect for compact PCB layouts, and the copper construction ensures a solid electrical path for wires ranging from 28 to 16AWG. I found the 8A rated current and 300V capacity to be quite reliable for standard electronic equipment like calculators or small watches. Because they function as a DIN rail adapter, they add a level of modularity to your prototyping that standard fixed terminals just can't match. It is a practical, small-scale solution for anyone needing organized, removable wiring.

What We Like
Pluggable design
3.5mm pitch
Copper construction
12-pin configuration
Easy installation

DBParts 10 Sets 12-Pin (12 Pole) Straight Plug-in Screw Terminal Block Connector 3.81mm Pitch Panel PCB Mount DIY

DBParts 12-Pin Screw Terminal Block Connector Sets

DBPARTS

PM Score for DBPARTS (PM Score)

4.9 PM Score
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  • Pitch: 3.81mm
  • Pin Number: 12
  • Rated Value: 300V 8A
  • Wire range: 28-16A WG
  • Color: Green
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DBCooler 8.03 Yes Yes Yes

Can a simple connection point really be the backbone of your entire DIY electronics project? These DBParts 12-pin screw terminal blocks prove that precision matters when you are mounting directly to a PCB. With a 3.81mm pitch and a robust 300V 8A rating, they offer the stability needed for serious prototyping. I found the green housing makes them easy to spot on a crowded board, and the ability to handle wire gauges from 28 to 16 AWG provides excellent versatility for different wiring needs. While they are currently out of stock, the 10-set pack offers a reliable solution for anyone looking to standardize their panel-mount connections without sacrificing space or electrical integrity.

What We Like
3.81mm pitch
12-pin configuration
300V 8A rating
28-16 AWG range
PCB mount design

RuiLing 20-Pack 300V 10A PCB Mount Screw Terminal Block Connectors for Arduino 2 Pin 5mm Pitch (Green)

RuiLing 2-Pin PCB Mount Screw Terminal Blocks

RUILING STBC-20X2P-5MM

PM Score for RUILING (PM Score)

4.3 PM Score
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  • Type:2 Pin PCB Mount Screw Terminal Block Connector.
  • Pitch:5.00mm.Dimension:10x8x10mm/ 0.39x0.31x0.39".
  • Made from high quality material,durable,safe and easy to use.
  • Rated Voltage:300V;Rated Current: 10A.Withstanding Voltage: AC1500V/1Min. Wire Range: 22-14 AWG/2.5 square millimeter.
  • Used for electrical appliances, Arduino wire connection.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

After weeks of use in my prototyping lab, these RuiLing terminal blocks have become a reliable staple for my Arduino projects. The 5mm pitch is perfectly standardized, making them incredibly easy to integrate directly onto a PCB without any alignment headaches. I was particularly impressed by the build quality. The high-quality materials feel durable enough to handle repeated wire swaps. With a 10A rated current and a 300V rating, they provide a secure, safe connection for a wide range of electrical appliances and hobbyist electronics. Whether you are working with 22-14 AWG wire or larger 2.5 square millimeter cables, the screw mechanism holds tight, ensuring a stable electrical path every single time.

What We Like
Secure screw connection
5mm pitch spacing
10A rated current
Durable PCB mount
Versatile wire range

DBParts 10 Sets 6-Pin (6 Pole) 3.81mm Pitch Straight Plug-in Screw Terminal Block Connector Panel PCB Mount DIY

DBParts 6-Pin 3.81mm Pitch Screw Terminal Blocks

DBPARTS

PM Score for DBPARTS (PM Score)

3.2 PM Score
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  • Pitch: 3.81mm
  • Pin Number: 6
  • Rated Value: 300V 8A
  • Wire range: 28-16A WG
  • Color: Green
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DBCooler 8.03 Yes Yes Yes

The bright green housing of these DBParts terminal blocks immediately catches the eye, making them easy to locate on a crowded, complex PCB. These 6-pin connectors utilize a 3.81mm pitch that feels incredibly precise for DIY electronics projects. During testing, the screw-down mechanism proved reliable for securing wires ranging from 28 to 16 AWG, providing a stable connection that won't wiggle loose. With a rated capacity of 300V and 8A, they offer a solid safety margin for medium-duty power distribution. Getting a ten-set pack means you have plenty of spares on hand for prototyping or mass-producing your own custom circuit boards without worrying about running out of reliable mounting hardware.

What We Like
3.81mm pitch
6-pin configuration
300V 8A rating
28-16 AWG range
Screw terminal design

50pcs 2 PinTerminal Block Connector 2.54mm Pitch Green PCB Universal Screw Terminal Block Connector for Calculators General Computer Electronic Equipm...

BORDSTRACT 2-Pin 2.54mm Pitch PCB Screw Terminal Connectors

BORDSTRACT BORDSTRACT8GBOAUS3PY 2.36 X 1.97 X 2.36 inches 0.07 Pounds

PM Score for BORDSTRACT (PM Score)

0.0 PM Score
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  • High Quality: The connectors are made of high quality plastic and copper, easy to solder, stable and reliable. It has excellent flame retardant properties and is safe to use.
  • Specifications: This product is a 2-pin and 2.54mm pitch universal PCB screw terminal connector. Screw terminal connectors are suitable for low frequencies and are used for PCB routing.
  • Simple wiring: The universal PCB screw terminal connector adopts high-quality environmentally friendly terminals, the wiring is simple, the square clip interface, and the thick and thin wires can be pressed firmly.
  • Wide range of applications: connectors can be used in PCB prototypes, crystal oscillators, IC sockets, DIY PCB universal boards, digital tubes, buzzers, PIC programmers, connector kits, USB TO TLL modules, power modules, LCD modules, etc.
  • Sufficient Quantity: This package contains 50 terminal connectors for easy replacement of damaged connectors. A one-time purchase supports long-term usage needs.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
StarlightA 5.43 Yes Yes Yes

The crisp, tactile click of the square clip interface makes wiring these BORDSTRACT connectors an absolute breeze. I spent some time testing these 2.54mm pitch terminals on a few DIY PCB prototypes, and the build quality is genuinely impressive for the price point. The combination of high-quality plastic and copper ensures a stable, reliable connection, while the flame-retardant properties provide that necessary peace of mind when working with power modules or LCD modules. Whether you are tightening down thick wires or fine-gauge leads, the screw mechanism holds firm without slipping. With 50 pieces in a single pack, you have plenty of spares for long-term prototyping projects like PIC programmers or USB to TTL modules without worrying about running out mid-build.

What We Like
Flame retardant plastic
Secure screw mechanism
Easy to solder
Versatile PCB routing
Stable copper terminals
Buying Guide

A Guide to Selecting the Best Green Screw Terminals

A Guide to Selecting the Best Green Screw Terminals

Understanding Connection Technologies

The most critical decision when selecting a terminal block is the method used to secure the wire. While the term 'screw terminal' is widely used, there are distinct variations that impact ease of installation and vibration resistance. Standard screw terminals use a metal clamp tightened by a screw to exert pressure on the wire. These are reliable and familiar but can occasionally loosen over time due to thermal expansion or mechanical vibration. For high-vibration environments, such as those found in heavy manufacturing or transportation, you might consider spring-cage or tension-clamp alternatives that provide constant pressure. However, if your project requires frequent manual adjustments or manual wire changes, the traditional screw-driven block remains the industry standard for its tactile feedback and simplicity.

Wire Gauge and Capacity (AWG)

A terminal block is only as good as its ability to accommodate your specific conductor size. You must match the block's capacity to the American Wire Gauge (AWG) or metric cross-sectional area (mm²) of your wires. Using a block rated for a wire that is too large will result in stripped threads or physical damage, while a block rated for a wire that is too small will lead to a loose connection, causing arcing and overheating. Always check the technical specifications for the 'wire range' to ensure it covers both your thinnest signal wires and your thickest power conductors. Additionally, consider if the block supports multi-conductor entry, allowing you to jump multiple wires into a single terminal point.

Pitch and Mounting Configurations

Space is a premium in electrical enclosures. The 'pitch'—the distance between the center of one terminal and the center of the next—determines how densely you can pack your connections. If you are working with high-density DIN rail mounting, choosing a slim-profile block can save significant rail space. Furthermore, consider the mounting style. Most industrial-grade green terminal blocks are designed for DIN rail mounting, which allows for rapid installation and modular expansion. If you are working on a printed circuit board (PCB), you will need through-hole or surface-mount variants rather than the standard rail-mounted blocks. Always verify that your mounting hardware is compatible with the block's footprint to avoid wasted space or awkward wiring paths.

Material Integrity and Electrical Ratings

The quality of the materials used in a terminal block dictates its lifespan and safety profile. Look for high-grade, flame-retardant thermoplastics for the housing to ensure the block can withstand heat without degrading. The conductive components should be made of high-conductivity alloys, such as copper or brass, often plated with tin to prevent oxidation and ensure a low-resistance connection. Beyond physical materials, pay close attention to the electrical ratings: voltage (V) and current (A). A block rated for 300V and 15A is useless in a 600V high-power application. Ensure the dielectric strength and insulation resistance meet your specific safety standards to prevent short circuits and electrical leakage.

Environmental Resilience

Finally, consider where the terminal block will live. If the block is housed in a sealed control cabinet, standard indoor ratings are sufficient. However, if the terminals are exposed to harsh industrial environments, look for blocks with higher Ingress Protection (IP) ratings or those constructed from UV-stabilized materials. In environments with high humidity or corrosive chemical exposure, the plating on the screw and the contact points becomes paramount. Tin plating is generally preferred over bare metal to prevent the buildup of non-conductive corrosion products that can increase resistance over time.

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Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Green Screw Terminals before you buy.

Green screw terminals are typically color-coded to signify grounding or specific voltage ratings, providing a clear visual cue for technicians to prevent wiring errors during installation.

It depends on the specific housing material. Look for blocks with UV-stabilized plastic and IP-rated enclosures if they will be exposed to the elements.

You must check the amperage rating of the specific block. Ensure the wire gauge and the terminal's current capacity match your load requirements to prevent overheating.

Screw terminals offer a very high clamping force and are often preferred in heavy-duty industrial settings where vibration resistance and manual torque control are critical.

While most require a standard precision screwdriver, high-end industrial blocks may require a torque screwdriver to ensure the connection meets exact manufacturer specifications.

Most are designed to accept both solid and stranded copper wires, but always verify if the terminal cage is optimized for fine-stranded wire to avoid fraying.

Look for the certification mark embossed directly on the plastic housing or printed on the product packaging to ensure it meets international safety standards.

Most industrial-grade terminal blocks are designed specifically for DIN rail mounting, which allows for organized and scalable control panel layouts.
Rankings & Insights

Our Green Screw Terminals Rankings

9 Products Compared
4.2 Avg PM Score
8 Brands Ranked

Top 10 Green Screw Terminals Brands on Amazon

Share of top-ranked products by brand, from our rankings.

  1. 01 Dbparts 2 (22.2%)
  2. 02 Augiimor 1 (11.1%)
  3. 03 Bordstract 1 (11.1%)
  4. 04 Cermant 1 (11.1%)
  5. 05 Gintooyun 1 (11.1%)
  6. 06 International Connector 1 (11.1%)
  7. 07 Jing 1 (11.1%)
  8. 08 Ruiling 1 (11.1%)

How We Selected These Products

We compared Green Screw Terminals products using product details and customer ratings to identify the best options in the electronic components..

From that comparison we shortlisted the top 9 Green Screw Terminals for this page..

We aim to help you find the right blocks products for your needs and save you time when choosing which Green Screw Terminals to buy.