The NH4 Switch Disconnector provides essential circuit isolation and switching capabilities for electrical installations. Designed for AC 240/415V, 50/60Hz circuits up to 125A, it reliably de-energizes electrical current to ensure safety during service or maintenance. Compliant with IEC/EN 60947-3 standards, this versatile device also functions as a main switch and for infrequent control of low-power appliances, enhancing operational safety and flexibility across residential, commercial, and industrial electrical distribution systems.