> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# Mini Pushbutton Switch: PCB-Mount, 2-Pin, SPST, 50mA (5-Pack)

**Type:** Product page · **SKU:** POLOLU-1400 · **Brand:** [Pololu](https://core-electronics.com.au/brands/pololu-australia)
**Page:** https://core-electronics.com.au/mini-pushbutton-switch-pcb-mount-2-pin-spst-50ma-5-pack.html ([markdown](https://core-electronics.com.au/mini-pushbutton-switch-pcb-mount-2-pin-spst-50ma-5-pack.html.md))

These small, two-pin, momentary tactile buttons are intended for mounting to PCBs, but they can also be plugged into standard 0.1" breadboards. They work well as reset buttons and can be connected to microcontroller inputs to serve as a user-interface components. These pushbuttons are sold in packs of 5.

## Pricing

- **Price:** $3.55 (inc GST) — $3.23 AUD, exc GST
- **Quantity discounts:** 10+ $3.10 (exc GST) · 25+ $3.00 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 2 today, and up to 100 more in 4–7 days.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=POLOLU-1400:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart.
- **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/POLOLU-1400:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.)
- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

| [![](https://core-electronics.com.au/attachments/localcontent/0J1999_21024c498f3.jpg)](https://core-electronics.com.au/attachments/localcontent/0J1999_218971af2b7.jpg) |
|---|
| Mini 2-pin, PCB-mount pushbutton switch on a breadboard. |

These small, two-pin, normally open, SPST momentary pushbuttons are intended for mounting to PCBs, but they can also be plugged into standard [0.1" breadboards](https://core-electronics.com.au/prototyping/breadboards.html) as shown in the picture to the right. Pololu use them as reset buttons and user pushbuttons in several of Pololu's products, including the [3pi robot](https://core-electronics.com.au/pololu-3pi-robot.html) and most of Pololu's [Orangutan robot controllers](https://core-electronics.com.au/category/8/robot-controllers). Note that this button should not be used with voltages above 12 V, and it should not be used to switch currents greater than 50 mA. This product is sold as a **5-pack**.

**Specs**

- Activation force: 6 oz
- Maximum rating: DC 12 V / 50 mA
- On resistance: = 50 mO
- Off resistance: &gt; 100 MO
- Life: &gt; 100,000 cycles

| ![](https://core-electronics.com.au/attachments/localcontent/0J2000_381099f7b35.png) |
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| Dimensions (in mm) of mini pushbutton switch: PCB-mount, 2-pin, SPST, 50mA. |

**Note:** High-volume orders of this product might be partially or fully shipped in **bulk packaging** rather than individually packaged groups of five buttons. Please contact Pololu if you do not want your order shipped with bulk packaging.

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

| [![0.100" (2.54 mm) Breakaway Male Header: 1×40-Pin, Straight, Black](https://core-electronics.com.au/attachments/localcontent/0J6370_2747ad6d8f.jpg)](https://core-electronics.com.au/0-100-2-54-mm-breakaway-male-header-1x40-pin-straight.html) | [0.100" (2.54 mm) Breakaway Male Header: 1×40-Pin, Straight, Black](https://core-electronics.com.au/0-100-2-54-mm-breakaway-male-header-1x40-pin-straight.html) |
|---|---|

| [![Mini Slide Switch: 3-Pin, SPDT, 0.3A (3-Pack)](https://core-electronics.com.au/attachments/localcontent/0J4357_40642db210.jpg)](https://core-electronics.com.au/mini-slide-switch-3-pin-spdt-0-3a-3-pack.html) | [Mini Slide Switch: 3-Pin, SPDT, 0.3A (3-Pack)](https://core-electronics.com.au/mini-slide-switch-3-pin-spdt-0-3a-3-pack.html) |
|---|---|

| [![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) |
|---|---|

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/m/i/mini_pushbutton_switch_pcb_mount_2_pin_spst_50ma__5_pack___pololu_1400__00.jpg)
