3pole onoff and changeover switch built from PC plastic for dependable insulation and temperature resistance. Rotary action delivers smooth, reliable control. Key benefits Safe and durable: PC material improves insulation and heat tolerance for demanding environments. Reliable performance: precision machining and sturdy construction suit daily panel use. Compact and practical: simple design that fits standard panel openings and threepole circuits. Dual function in one unit: combines onoff control with changeover capability for efficient wiring and routing. Compatibility and performance 3pole configuration compatible with typical three phase circuits and switchgear setups. Suitable for control panels, distribution cabinets, and equipment enclosures. Lightweight yet robust design supports long service life in industrial settings. Use scenarios Industrial machine control panels: start and stop a threephase motor while routing power as needed. Threephase power distribution cabinets: switch between feeds or sources with a single unit. Building automation and HVAC panels: streamline control of equipment in threephase systems. Why choose this Clear insulation and temperature resistance reduce risk in load zones. Simple operation and compact size improve installation efficiency. Trusted, workmanlike construction designed for everyday electrical applications.