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The Heschen 20A 3 Position Universal Rotary Changeover Switch is a TÜV and CE certified industrial-grade selector switch designed for dual-circuit control. Rated at 660V and 20A, it features an 8-terminal, 3-position rotary mechanism that ensures safe and reliable power transfer between grid and generator. Built for durability with a 10,000-cycle lifespan and easy panel mount installation, it meets EN IEC 60947-3:2021 standards, making it the professional choice for seamless electrical switching.






| ASIN | B07L8SJXGV |
| Actuator Type | Rotary |
| Best Sellers Rank | #122,080 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #68 in Selector Switches |
| Brand Name | Heschen |
| Circuit Type | 3-way |
| Compatible Devices | Motors, power switches, control circuits |
| Connectivity Protocol | X-10 |
| Connector Type | Plug In |
| Contact Material | Metal |
| Contact Type | Normally Open |
| Control Type | Multi-position |
| Current Rating | 20 A |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,812) |
| Included Components | SZW26-20/D202.2 |
| International Protection Rating | IP20 |
| Item Dimensions | 2.87 x 1.46 x 1.46 inches |
| Item Weight | 0.13 g |
| Manufacturer | SL |
| Material Type | Plastic |
| Model | SZW26-20/D202.2 |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 3 |
| Operating Voltage | 690 volts |
| Operation Mode | ON-OFF-ON |
| Part Number | SZW26-20/D202.2 |
| Specification Met | CE |
| Switch Type | Rotary |
| Terminal | Screw |
| UPC | 670534181324 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 40 °C |
| Wattage | 13200 watts |
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