# DC Barrel Plug to 2-Pin Terminal Block Adapter

**Type:** Product page · **SKU:** POLOLU-2448 · **Brand:** [Pololu](https://core-electronics.com.au/brands/pololu-australia)
**Page:** https://core-electronics.com.au/dc-barrel-plug-to-2-pin-terminal-block-adapter.html ([markdown](https://core-electronics.com.au/dc-barrel-plug-to-2-pin-terminal-block-adapter.html.md))

This connector adapts a 5.5 × 2.1 mm DC barrel plug to a pair of screw terminals. The terminals are labeled positive and negative, with the positive terminal connected to the center contact.

## Pricing

- **Price:** $4.95 (inc GST) — $4.50 AUD, exc GST
- **Quantity discounts:** 10+ $4.32 (exc GST) · 25+ $4.18 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 24 and Aug 27.

## Description

Most sources refer to this style of connector as “male”, but since it has a female basket at its center, some will refer to it as “female”. Please look at the product photos carefully to make sure this is the connector you are looking for. This connector is compatible with Pololu's [DC barrel jack to 2-pin terminal block adapter](https://core-electronics.com.au/dc-barrel-jack-to-2-pin-terminal-block-adapter.html) and Pololu's [PCB-mountable barrel jack](https://core-electronics.com.au/dc-power-adapter-barrel-jack.html).

| \| [![](https://core-electronics.com.au/attachments/localcontent/0J4562_11900e590d4.jpg)](https://core-electronics.com.au/attachments/localcontent/0J4562_12485863756.jpg) \| \|---\| | \| [![](https://core-electronics.com.au/attachments/localcontent/0J4563_9011675abd.jpg)](https://core-electronics.com.au/attachments/localcontent/0J4563_11049b5f59d.jpg) \| \|---\|---\| |
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**Note:** The positive and negative markings on the terminal block side correspond to a center-positive barrel plug (the side labeled “+” connects to the center of the barrel plug and the side labeled “-” connects to the outside); you can flip the connections to make a center-negative plug.

**People often buy this product together with:**

| [![0.1" (2.54mm) Crimp Connector Housing: 1x1-Pin 25-Pack](https://core-electronics.com.au/attachments/localcontent/0J1596_3946af7daf.jpg)](https://core-electronics.com.au/0-1-2-54mm-crimp-connector-housing-1x1-pin-25-pack.html) | [0.1" (2.54mm) Crimp Connector Housing: 1x1-Pin 25-Pack](https://core-electronics.com.au/0-1-2-54mm-crimp-connector-housing-1x1-pin-25-pack.html) |
|---|---|

| [![0.1" (2.54mm) Crimp Connector Housing: 1x2-Pin 25-Pack](https://core-electronics.com.au/attachments/localcontent/0J1597_3580ef0a45.jpg)](https://core-electronics.com.au/0-1-2-54mm-crimp-connector-housing-1x2-pin-25-pack.html) | [0.1" (2.54mm) Crimp Connector Housing: 1x2-Pin 25-Pack](https://core-electronics.com.au/0-1-2-54mm-crimp-connector-housing-1x2-pin-25-pack.html) |
|---|---|

| [![Female Crimp Pins for 0.1" Housings 100-Pack](https://core-electronics.com.au/attachments/localcontent/0J2472_35509fe5b9.jpg)](https://core-electronics.com.au/female-crimp-pins-for-0-1-housings-100-pack.html) | [Female Crimp Pins for 0.1" Housings 100-Pack](https://core-electronics.com.au/female-crimp-pins-for-0-1-housings-100-pack.html) |
|---|---|

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/d/c/dc_barrel_plug_to_2_pin_terminal_block_adapter__pololu_2448__00.jpg)