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The Heschen SZW26-20/D202.2D is a high-performance universal rotary cam selector switch designed for 660V and 20A applications. Featuring a 3-position ON-Off-ON configuration, an IP65 waterproof enclosure, and 8 terminals for 2-phase changeover, it ensures reliable, safe, and versatile electrical switching. Certified by TUV and CE, it’s engineered for professional-grade durability and compliance.




S**R
Great product.
Well built and sturdy switch.
R**S
Nice switch
I was getting interference on my humminbird solix from my trolling motor through my on board charger, this switch allowed me to isolate the charging connections to prevent cross talk.
S**N
Nice enough switch, but...
The switch is nice enough, but it smells to high heaven. Requires some baking soda. Sun and air won't do it. The spacing is really tight and 12AWG is a pain. Once you get pasted that it works good.
G**L
Well made
I installed this switch on my pool pump system. It’s fairly easy to install, and feels heavy duty, and most importantly, works well. Delivery was fast, just a couple of days.
Trustpilot
2 days ago
3 weeks ago