# Snap-Action Switch with 16.3mm Roller Lever: 3-Pin, SPDT, 5A

**Type:** Product page · **SKU:** POLOLU-1404 · **Brand:** [Pololu](https://core-electronics.com.au/brands/pololu-australia)
**Page:** https://core-electronics.com.au/snap-action-switch-with-16-3mm-roller-lever-3-pin-spdt-5a.html ([markdown](https://core-electronics.com.au/snap-action-switch-with-16-3mm-roller-lever-3-pin-spdt-5a.html.md))

This single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch or tactile bump sensor for your robot. The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the 16.3mm lever arm is has a roller at the tip.

## Pricing

- **Price:** $4.20 (inc GST) — $3.82 AUD, exc GST
- **Quantity discounts:** 10+ $3.66 (exc GST) · 25+ $3.55 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 9 today, and up to 500 more in 4–7 days.

## Description

This single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch or tactile obstacle-detector for your robot. The switch body dimension is 20.0 x 6.4 x 10.2 mm (0.79" x 0.25" x 0.40"), and the 16.3mm (0.64") lever arm has a roller at the tip. This three-pin switch can also be used as a two-pin single-pole, single-throw (SPST) switch that is open or closed by default, depending on which two pins are used.

| ![](https://core-electronics.com.au/attachments/localcontent/0J2218_2248696cdf1.png) |
|---|
| Dimensions (in mm) of snap-action switch with 16.3mm roller lever: 3-pin, SPDT, 5A. |

For a more sophisticated tactile sensor, see Pololu's [force-sensing resistors](https://core-electronics.com.au/force-sensing-resistor-0-6-diameter-circle.html).

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

| [![Snap-Action Switch with 16.7mm Lever: 3-Pin, SPDT, 5A](https://core-electronics.com.au/attachments/localcontent/0J2201_33991dec13.jpg)](https://core-electronics.com.au/snap-action-switch-with-16-7mm-lever-3-pin-spdt-5a.html) | [Snap-Action Switch with 16.7mm Lever: 3-Pin, SPDT, 5A](https://core-electronics.com.au/snap-action-switch-with-16-7mm-lever-3-pin-spdt-5a.html) |
|---|---|

| [![Snap-Action Switch with 50mm Lever: 3-Pin, SPDT, 5A](https://core-electronics.com.au/attachments/localcontent/0J2202_2749f63037.jpg)](https://core-electronics.com.au/snap-action-switch-with-50mm-lever-3-pin-spdt-5a.html) | [Snap-Action Switch with 50mm Lever: 3-Pin, SPDT, 5A](https://core-electronics.com.au/snap-action-switch-with-50mm-lever-3-pin-spdt-5a.html) |
|---|---|

| [![Snap-Action Switch with 15.6mm Bump Lever: 3-Pin, SPDT, 5A](https://core-electronics.com.au/attachments/localcontent/0J2232_3587c48339.jpg)](https://core-electronics.com.au/snap-action-switch-with-15-6mm-bump-lever-3-pin-spdt-5a.html) | [Snap-Action Switch with 15.6mm Bump Lever: 3-Pin, SPDT, 5A](https://core-electronics.com.au/snap-action-switch-with-15-6mm-bump-lever-3-pin-spdt-5a.html) |
|---|---|

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/s/n/snap_action_switch_with_16.3mm_roller_lever_3_pin_spdt_5a__pololu_1404__00.jpg)