100A TP&N Electricity Meter Isolator Switch Fusebox E4PMSH Meter isolator switch The Fusebox E4PMSH is a professional-grade 100A three-pole and neutral (TP&N) electricity meter isolator switch, designed for reliable load isolation in domestic and commercial electrical installations. This isolator switch provides safe disconnection of the main electricity supply, making it essential for maintenance, repairs, and emergency shutdown procedures. With a robust 100A current rating, it handles substantial electrical loads whilst maintaining consistent performance. Key specifications include an IP20 rating for standard indoor environments and a comprehensive 1-year guarantee, ensuring peace of mind and manufacturer support. The switch meets industry standards for electrical safety and is suitable for use in consumer units and distribution boards. Ideal for electricians, installers, and facility managers who require a dependable isolation solution that combines durability with straightforward operation. . Current Rating 100A Guarantee 1 Year IP Rating IP20