--- product_id: 626447139 title: "Heschen Universal Rotary Cam Selector Changeover Switch, SZW26-20/D202.2D, 660V 20A, ON-Off-ON, 3 Position 2 Phase 8 Terminals, with Master Switch Exterior Box,TUV(Standard Box)" brand: "heschen" price: "€ 62.73" currency: EUR in_stock: true category: "Heschen" url: https://www.desertcart.pt/products/626447139-heschen-universal-rotary-cam-selector-changeover-switch-szw26-20-d202 store_origin: PT region: Portugal --- # 660V max voltage IP65 waterproof rating 3-position rotary control Heschen Universal Rotary Cam Selector Changeover Switch, SZW26-20/D202.2D, 660V 20A, ON-Off-ON, 3 Position 2 Phase 8 Terminals, with Master Switch Exterior Box,TUV(Standard Box) **Brand:** heschen **Price:** € 62.73 **Availability:** ✅ In Stock ## Summary > 🔧 Master your power flow with precision and durability! ## Quick Answers - **What is this?** Heschen Universal Rotary Cam Selector Changeover Switch, SZW26-20/D202.2D, 660V 20A, ON-Off-ON, 3 Position 2 Phase 8 Terminals, with Master Switch Exterior Box,TUV(Standard Box) by heschen - **How much does it cost?** € 62.73 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/626447139-heschen-universal-rotary-cam-selector-changeover-switch-szw26-20-d202) ## 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 metal contacts and IP65-rated waterproof enclosure for harsh environments. - • **Certified Safety:** TUV and CE listed ensuring compliance and peace of mind in professional setups. - • **Seamless Switching:** 3-position ON-Off-ON rotary selector for precise control and versatility. - • **Powerhouse Performance:** Handles up to 660V and 20A for robust industrial applications. - • **Effortless Installation:** Fits mounting boards 1-4mm thick with 8 secure screw terminals for reliable connectivity. ## Overview The Heschen Universal Rotary Cam Selector Changeover Switch (SZW26-20/D202.2D) is a heavy-duty, 3-position rotary switch designed for industrial and electrical control applications. Rated for up to 660V and 20A, it features a waterproof IP65 enclosure, metal contacts, and secure screw terminals, making it ideal for reliable power switching and motor control in demanding environments. Certified by TUV and CE, it ensures safety and compliance for professional use. ## Description Certified Multi-Circuit Control for Workshops The Heschen SZW26-20/D202.2D is a highly adaptable surface mount changeover switch. Backed by TÜV Rheinland certification, it provides verified safety and stability for controlling electrical circuits, motors, and dual power supplies. IMPORTANT: Choosing the Right Box Size To prevent wiring difficulties, please check your cable thickness before purchasing: Standard Box (This Item): Offers a compact footprint. Suitable for standard internal wiring where space is limited. Large Box (Variation Option): Provides extended internal clearance. Recommended if you are using thick cables or require extra room to route wires comfortably. Key Technical Specifications: Model: SZW26-20/D202.2D Certification: TÜV Rheinland Action Type: Latching (ON-OFF-ON / 1-0-2) Positions: 3 Position, 2 Phase, 8 Terminals Rating: 20A (Ui 660V) Mounting: Surface Mount (Standard Enclosure) Scenario-Driven Applications: Equipped with a sturdy protective box, this rotary cam selector does not require a panel cutout. It acts as an effective surface mount isolator for workshop machinery. It is widely used as a motor reversing switch for lathes, or as a manual generator transfer switch to shift between main and backup power sources safely. ## Features - ENCLOSURE SIZE SELECTION: This is the Standard Box variant designed for compact spaces and standard wire gauges. If you are using thick cables that require a larger bending radius, please select the Large Box variation from this listing to ensure adequate wiring space. - Circuit Layout: Features a 3 Position (1-0-2 / ON-OFF-ON) rotary cam design with 2 Phase and 8 terminals, enabling stable multi-circuit control and straightforward switching. - 20A Capacity: Engineered to safely handle a 20 Amp current rating (Ui 660V), providing reliable electrical isolation and switching for light industrial or workshop equipment. - Surface Mount Design: Arrives pre-installed in a protective exterior enclosure, eliminating the need for panel cut-outs and allowing for direct surface mounting on walls or machinery - Durable Construction: TÜV Rheinland Certified,Built with a flame-retardant plastic casing and solid conductive internal contacts to support safe, continuous duty in demanding environments. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B097T3DXV8 | | Actuator Type | Rotary | | Best Sellers Rank | #206,462 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #273 in Selector Switches | | Brand Name | Heschen | | Circuit Type | 3-way | | Colour | Blue | | Compatible Devices | AC and DC devices (up to 440V/20A for AC, 240V/1A for DC) | | Connectivity Protocol | Wi-Fi | | Connector Type | Crimp | | Contact Material | Metal | | Contact Type | Normally Closed | | Control Method | Touch | | Control Type | Manual | | Controller Type | Push Button | | Country of Origin | USA | | Current Rating | 20 Amps | | Customer Reviews | 4.5 4.5 out of 5 stars (1,962) | | Included Components | SZW26-20/D202.2D | | International Protection Rating | IP65 | | Item Dimensions | 8.7 x 6.6 x 6.6 Centimeters | | Manufacturer | SL | | Material Type | Metal | | Model Number | SZW26-20/D202.2D | | Mounting Type | Panel Mount | | Number of Items | 1 | | Number of Positions | 3 | | Operating Voltage | 660 Volts | | Operation Mode | ON-OFF-ON | | Part Number | SZW26-20/D202.2D | | Specification Met | CE | | Switch Type | Rotary | | Terminal | Screw | | UPC | 711811449314 | | Unit Count | 1.0 Count | | Upper Temperature Rating | 40 Degrees Celsius | | Wattage | 13200 Watts | ## Product Details - **Connector Type:** Crimp - **Contact Type:** Normally Closed - **Current Rating:** 20 Amps - **Operating Voltage:** 660 Volts - **Operation Mode:** ON-OFF-ON ## Images ![Heschen Universal Rotary Cam Selector Changeover Switch, SZW26-20/D202.2D, 660V 20A, ON-Off-ON, 3 Position 2 Phase 8 Terminals, with Master Switch Exterior Box,TUV(Standard Box) - Image 1](https://m.media-amazon.com/images/I/41UpYgdK7xL.jpg) ![Heschen Universal Rotary Cam Selector Changeover Switch, SZW26-20/D202.2D, 660V 20A, ON-Off-ON, 3 Position 2 Phase 8 Terminals, with Master Switch Exterior Box,TUV(Standard Box) - Image 2](https://m.media-amazon.com/images/I/41WPZQ-F4IL.jpg) ![Heschen Universal Rotary Cam Selector Changeover Switch, SZW26-20/D202.2D, 660V 20A, ON-Off-ON, 3 Position 2 Phase 8 Terminals, with Master Switch Exterior Box,TUV(Standard Box) - Image 3](https://m.media-amazon.com/images/I/51VFEawqMuL.jpg) ![Heschen Universal Rotary Cam Selector Changeover Switch, SZW26-20/D202.2D, 660V 20A, ON-Off-ON, 3 Position 2 Phase 8 Terminals, with Master Switch Exterior Box,TUV(Standard Box) - Image 4](https://m.media-amazon.com/images/I/51OZhJSI5IL.jpg) ![Heschen Universal Rotary Cam Selector Changeover Switch, SZW26-20/D202.2D, 660V 20A, ON-Off-ON, 3 Position 2 Phase 8 Terminals, with Master Switch Exterior Box,TUV(Standard Box) - Image 5](https://m.media-amazon.com/images/I/51GBgvh4tzL.jpg) ## Frequently Bought Together - Heschen Universal Rotary Cam Selector Changeover Switch, SZW26-20/D202.2D, 660V 20A, ON-Off-ON, 3 Position 2 Phase 8 Terminals, with Master Switch Exterior Box,TUV(Standard Box) - Leviton 5278-CWP Straight Blade Flanged Male Power Inlet Receptacle, 15 A, 125 V, Nylon Face, Body And Strap , gray --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/626447139-heschen-universal-rotary-cam-selector-changeover-switch-szw26-20-d202](https://www.desertcart.pt/products/626447139-heschen-universal-rotary-cam-selector-changeover-switch-szw26-20-d202) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-05*