DIYables 5.5 x 2.1mm Male DC Plug to 2-Pin Spring Terminal Block, Quick Connect Press-Type Adapter

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5.5 x 2.1mm male DC plug to 2-pin spring terminal block adapter for Arduino ESP32 power Click to zoom
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Quick Overview

The DIYables 5.5 x 2.1mm Male DC Plug to 2-Pin Spring Terminal Block Adapter provides a convenient solution for distributing power from a single source to multiple devices without soldering or screw terminals. This quick-connect adapter converts a standard 5.5 x 2.1mm male DC barrel plug into a press-type 2-pin spring terminal block, allowing you to easily connect bare wires with a simple press-and-insert action. Rated for 3–24V DC operation with up to 8A current capacity (8A at 12V or 4A at 24V), it supports up to 100W of power transfer and is ideal for Arduino, ESP32, ESP8266, and Raspberry Pi project power distribution.

This adapter features durable flame-retardant construction with PVC insulation and a red-gray PC terminal housing for safety and heat resistance. The press-type spring design ensures a secure, reliable connection without any tools, and the adapter is rated for 6,000 plug and unplug cycles for long-term durability. Each pack includes 5 adapters, providing excellent value for multiple installations or projects. The compact design maintains a professional appearance while simplifying power distribution from a single power supply to multiple devices.

Ideal for LED lighting installations, CCTV monitoring equipment power distribution, cooling fan wiring, and general DC power splitting in Arduino, ESP32, ESP8266, and Raspberry Pi projects. Perfect for makers who need to power multiple devices from one DC power supply, create custom power distribution setups, or convert barrel plug connections to screw-free terminal blocks. Great for prototyping, permanent installations, and any application requiring tool-free, reversible power distribution connections.

Key Features

  • Standard DC Plug Connector — 5.5 x 2.1mm male DC barrel plug compatible with most common power supplies
  • Tool-Free Connection — Press-type spring terminal design allows quick wire insertion without screws or soldering
  • High Current Capacity — Handles up to 8A at 12V or 4A at 24V, supporting up to 100W power distribution
  • Wide Voltage Range — Operates with 3–24V DC for flexible application compatibility
  • Flame-Retardant Housing — Durable PVC with red-gray PC terminal housing for safety and heat resistance
  • Long Durability — Rated for 6,000 plug and unplug cycles for reliable long-term use
  • Secure Spring Connection — Spring-loaded terminals provide strong wire grip without loosening over time
  • Compact Design — Small form factor maintains clean, professional appearance in power distribution setups
  • Value Pack — Includes 5 adapters for multiple devices or backup replacements
  • Power Distribution — Split power from one DC supply to multiple devices with ease
  • Wide Compatibility — Works with Arduino, ESP32, ESP8266, Raspberry Pi, LED lighting, CCTV equipment
  • Tutorial Support — Comprehensive power supply tutorials for Arduino, ESP32, ESP8266, and Raspberry Pi platforms
  • Versatile Applications — Perfect for LED lighting, CCTV monitoring, cooling fans, and electronic instruments

SPECIFICATION

Specification Value
Product Type DC Plug to Spring Terminal Block Adapter
Connector Type 5.5 x 2.1mm Male DC Barrel Plug
Terminal Type 2-Pin Spring Terminal Block (Press-Type)
Operating Voltage 3–24V DC
Maximum Current 8A at 12V, 4A at 24V
Maximum Power 100W
Wire Gauge Supports 12–24 AWG wire
Terminal Connection Tool-free press-and-insert spring mechanism
Housing Material Flame-retardant PVC with PC terminal housing
Housing Color Red-gray
Contact Material Copper alloy with nickel plating
Insulation Resistance >100MΩ at 500V DC
Durability Rating 6,000 plug and unplug cycles
Operating Temperature -20°C to 60°C
Storage Temperature -30°C to 70°C
Dimensions 35mm x 20mm x 15mm (approx.)
Weight ~8g per adapter
Package Quantity 5 pieces
Compatibility Arduino, ESP32, ESP8266, Raspberry Pi, LED lighting, CCTV equipment, cooling fans, electronic instruments
Applications Power distribution, LED lighting installations, CCTV monitoring systems, cooling fan wiring, Arduino/ESP32/Raspberry Pi power splitting, electronic instrument connections

PACKAGE

A package includes:

Qty Items
5 5.5 x 2.1mm Male DC Plug to 2-Pin Spring Terminal Block Adapters

COMPATIBLE HARDWARE

  • DC Power Supplies with 5.5 x 2.1mm Jack — Standard female barrel jack power supplies (3-24V DC)
  • Power Distribution Hubs — Split power from one supply to multiple devices
  • Arduino Development Boards — Power multiple Arduino boards from single 9V or 12V supply
  • ESP32 Development Boards — Distribute 5V power to multiple ESP32 modules and peripherals
  • ESP8266 Boards — Power NodeMCU, Wemos D1, and similar boards from centralized supply
  • Raspberry Pi Projects — 5V power distribution for multiple Raspberry Pi units or accessories
  • LED Strip Lighting — Connect 12V/24V power to multiple LED strip sections
  • CCTV Security Cameras — Distribute 12V DC power to multiple surveillance cameras
  • Cooling Fans — Power multiple 5V, 12V, or 24V DC fans from single supply
  • Motor Driver Modules — Provide power input to multiple motor controllers
  • Sensor Networks — Centralized power distribution for multiple sensor modules
  • Breadboard Projects — Tool-free power connections for prototyping setups
  • LED Driver Circuits — Quick power output connections for LED driver modules
  • Electronic Instruments — Power distribution for test equipment and measurement devices
  • Any Device Requiring DC Power Splitting — Compatible with standard 5.5 x 2.1mm female DC jacks