4P 80A PC Grade Isolation Switch, Rated 50 V to 440 V Key benefits Reliable isolation and control for multipole circuits: four poles allow switching of threephase systems plus neutral, enabling safe isolation and clearer circuit management. Wide voltage compatibility: rated for operation from 50 V up to 440 V, suitable for a broad range of AC power systems. current capacity: 80 A continuous current rating addresses demanding distribution and load switching needs. Durable PC grade insulating housing: PC grade isolation type provides electrical insulation and mechanical durability for long service life. Improves conversion and switching stability: designed to provide stable, repeatable switching that supports cleaner power conversion and smoother operation of downstream equipment. Core attributes Function: isolation switch for circuit control and disconnection. Poles and size: 4P, 80 A rating. Voltage range: rated 50 V to 440 V (suitable for low to medium voltage AC systems). Material: PC grade isolation type housing for insulation and impact resistance. Compatibility: supports singlephase and threephase installations, and integrates into panel and switchgear arrangements that accept 4pole modules. How it solves common problems Simplifies maintenance and safety by providing a dedicated isolation point for multiconductor circuits. Reduces downtime by offering a robust switching element capable of handling higher currents without frequent replacement. Helps maintain conversion efficiency by ensuring reliable disconnection and reconnection of power paths in inverter and control systems. Typical applications Electrical distribution panels and commercial building switchboards for safe isolation of threephase circuits. Renewable energy systems and inverters where reliable switching between sources and loads is required. Industrial control panels and motor control centers for isolating equipment during maintenance or reconfiguration. Installation notes Designed for use in systems that require a 4pole isolation device rated to 80 A and within the 50 V to 440 V range. Check panel compatibility and mounting dimensions prior to installation to ensure correct fit with existing switchgear. This 4P 80A PC grade isolation switch is a practical choice when a robust, widevoltage, multipole isolation solution is needed for commercial, industrial, or renewable energy electrical systems.