# KCD3-103-3 Rocker Switch ON OFF ON 3 Pin Changeover Panel Mount 20A

Date: 2026-04-28
Categories: KCD Rocker Switch Series
URL: https://cenyutech.com/kcd3-103-3-rocker-switch.html

## Product Summary

KCD3-103-3 is a 3 pin ON-OFF-ON rocker switch designed for circuit switching applications. Unlike standard ON-OFF switches, it allows users to switch between two different circuits or operating modes.

Rated at **AC125V 20A / AC250V 16A**, it is ideal for industrial equipment, motor control, and power selection systems.

We support OEM/ODM customization including terminal type, waterproof design, and marking.

### Specifications

Parameter
Details

Model
KCD3-103-3

Switch Type
[KCD Rocker Switch](https://cenyutech.com/tag/kcd-rocker-switch)

Function
ON-OFF

Pin
3 Pin

Contact Type
SPST

Rated Load
AC125V 20A / AC250V 16A

Mounting Type
Panel Mount

Contact Resistance
≤50mΩ

Insulation Resistance
≥100MΩ

Electrical Life
≥10,000 cycles

![KCD3-103-3 Rocker Switch](https://cenyutech.com/wp-content/uploads/2026/04/20260428174342228762-800x418.webp)

## Core Features of KCD3 Changeover Rocker Switch

- ON-OFF-ON (3 position) switching

- Changeover / selector function (SPDT)

- High current rating: **20A 125VAC / 16A 250VAC**

- 3 pin terminal configuration

- Snap-in panel mount design

- Durable mechanical life ≥10,000 cycles

## Technical Specifications

- Model: KCD3-103-3

- Pins: 3 Pin

- Function: **ON-OFF-ON**

- Type: Changeover Rocker Switch

- Rated Voltage: 125V / 250V AC

- Rated Load: **20A @125VAC / 16A @250VAC**

- Mounting: Panel Mount

- Panel Size: ~30×22mm

- Electrical Life: ≥10,000 cycles

## Applications

Motor forward/reverse control systemsPower source selection (AC/DC switching)Industrial control panels and machineryAutomotive and marine switch panels

**Summary:**ON-OFF-ON rocker switches are ideal for switching between two circuits or operating modes in high-current applications.

## Why Choose Our KCD3 Rocker Switch

- True changeover (selector) switching function

- High current capacity up to 20A

- Full KCD3 series coverage

- OEM/ODM customization supported

- Stable quality for industrial applications

- on off on rocker switch supplier

- 20a changeover switch manufacturer

- spdt rocker switch factory

## FAQ

**What is an ON-OFF-ON rocker switch?**It is a 3-position switch that allows switching between two circuits with a center OFF position.

**What is a changeover rocker switch?**A changeover switch allows selecting between two different electrical paths instead of simply turning power ON or OFF.

**Is KCD3-103-3 a selector switch?**Yes, it functions as a selector (changeover) switch for circuit control.

**What is the difference between ON-OFF and ON-OFF-ON?**ON-OFF controls one circuit, while ON-OFF-ON switches between two circuits.