---
product_id: 689489761
title: "Heschen Universal Rotary Cam Selector Changeover Switch SZW26-20/D303.3D 660V 20A 3 Position 3 Phase 12 Terminals CE with Master Switch Exterior Box LW28-20/4,TUV(Standard Box)"
brand: "heschen"
price: "¥14805"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/689489761-heschen-universal-rotary-cam-selector-changeover-switch-szw26-20-d303
store_origin: JP
region: Japan
---

# 660V high voltage rating 3-position rotary changeover 12 screw terminals for secure wiring Heschen Universal Rotary Cam Selector Changeover Switch SZW26-20/D303.3D 660V 20A 3 Position 3 Phase 12 Terminals CE with Master Switch Exterior Box LW28-20/4,TUV(Standard Box)

**Brand:** heschen
**Price:** ¥14805
**Availability:** ✅ In Stock

## Summary

> 🔄 Master your circuits with the ultimate rotary switch upgrade!

## Quick Answers

- **What is this?** Heschen Universal Rotary Cam Selector Changeover Switch SZW26-20/D303.3D 660V 20A 3 Position 3 Phase 12 Terminals CE with Master Switch Exterior Box LW28-20/4,TUV(Standard Box) by heschen
- **How much does it cost?** ¥14805 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/689489761-heschen-universal-rotary-cam-selector-changeover-switch-szw26-20-d303)

## Best For

- heschen enthusiasts

## Why This Product

- Trusted heschen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Durable plastic exterior with IP65 rating for reliable protection
- • **Certified Safety:** CE and TUV approved for guaranteed compliance and peace of mind
- • **Seamless Switching:** 3-position ON-OFF-ON rotary selector for versatile circuit management
- • **Precision Installation:** Fits mounting boards 1-4mm thick with secure locking action
- • **Power Up with Confidence:** Handles up to 20A current for robust electrical control

## Overview

The Heschen Universal Rotary Cam Selector Switch SZW26-20/D303.3D is a high-voltage (660V), 20A rated, 3-position rotary switch designed for precise electrical control in power and motor applications. Featuring 12 screw terminals and a durable plastic exterior with IP65 protection, it ensures secure installation and long-lasting performance. Certified by CE and TUV, this switch fits mounting boards from 1 to 4mm thick and offers reliable ON-OFF-ON operation for versatile circuit changeover.

## Description

Heschen Universal Rotary Cam Selector Changeover Switch SZW26-20/D303.3D 660V 20A 3 Position 3 Phase 12 Terminals CE with Master Switch Exterior Box LW28-20/4,TUV(Standard Box)

## Features

- Model: SZW26-20/D303.3D
- Ui : 660V ; Ith : 20A
- Positions: 3 Positions(1-0-2)
- Weight: 270g
- CE list,TUV

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Operation Mode | ON-OFF-ON |
| Current Rating | 20 Amps |
| Operating Voltage | 220 Volts |
| Contact Type | Normally Closed |
| Connector Type | Crimp |
| Brand | Heschen |
| Terminal | Screw |
| Item dimensions L x W x H | 11.8 x 10.4 x 7.4 Centimeters |
| Circuit Type | 3-way |
| Actuator Type | Rotary |
| Contact Material | Plastic |
| International Protection Rating | IP65 |
| Number of Positions | 1 |
| Upper Temperature Rating | 40 Degrees Celsius |
| Controller Type | Mechanical knob |
| Control Method | Push Button |
| Connectivity Protocol | Wi-Fi |
| Colour | Blue |
| Net Quantity | 1.0 count |
| Number of Items | 1 |
| Manufacturer | SL |
| Model number | SZW26-20/D303.3D |
| Item Weight | 272 g |
| Product Dimensions | 11.8 x 10.4 x 7.4 cm; 272 g |
| Item model number | SZW26-20/D303.3D |
| Item Height | 7.4 Centimeters |
| Item Width | 10.4 Centimeters |
| Included Components | SZW26-20/D303.3D |
| Are batteries included? | No |

## Product Details

- **Operation Mode:** ON-OFF-ON
- **Current Rating:** 20 Amps
- **Operating Voltage:** 220 Volts
- **Contact Type:** Normally Closed
- **Connector Type:** Crimp

## Images

![Heschen Universal Rotary Cam Selector Changeover Switch SZW26-20/D303.3D 660V 20A 3 Position 3 Phase 12 Terminals CE with Master Switch Exterior Box LW28-20/4,TUV(Standard Box) - Image 1](https://m.media-amazon.com/images/I/61OCcOsZyrL.jpg)
![Heschen Universal Rotary Cam Selector Changeover Switch SZW26-20/D303.3D 660V 20A 3 Position 3 Phase 12 Terminals CE with Master Switch Exterior Box LW28-20/4,TUV(Standard Box) - Image 2](https://m.media-amazon.com/images/I/61ZTZnXsCRL.jpg)
![Heschen Universal Rotary Cam Selector Changeover Switch SZW26-20/D303.3D 660V 20A 3 Position 3 Phase 12 Terminals CE with Master Switch Exterior Box LW28-20/4,TUV(Standard Box) - Image 3](https://m.media-amazon.com/images/I/71QH5Y8zQCL.jpg)
![Heschen Universal Rotary Cam Selector Changeover Switch SZW26-20/D303.3D 660V 20A 3 Position 3 Phase 12 Terminals CE with Master Switch Exterior Box LW28-20/4,TUV(Standard Box) - Image 4](https://m.media-amazon.com/images/I/611J-ZnskwL.jpg)
![Heschen Universal Rotary Cam Selector Changeover Switch SZW26-20/D303.3D 660V 20A 3 Position 3 Phase 12 Terminals CE with Master Switch Exterior Box LW28-20/4,TUV(Standard Box) - Image 5](https://m.media-amazon.com/images/I/6146bwSxP3L.jpg)

## Available Options

This product comes in different **Style Name** options.

## Frequently Bought Together

- Heschen Universal Rotary Cam Selector Changeover Switch SZW26-20/D303.3D 660V 20A 3 Position 3 Phase 12 Terminals CE with Master Switch Exterior Box LW28-20/4 (Standard Box)
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**Shop now:** [https://www.desertcart.jp/products/689489761-heschen-universal-rotary-cam-selector-changeover-switch-szw26-20-d303](https://www.desertcart.jp/products/689489761-heschen-universal-rotary-cam-selector-changeover-switch-szw26-20-d303)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-03*