Load disconnect switch 3VA1 IEC Frame 160 3-pole SD100, In=63A without overload protection and short-circuit protection. Screw flat connection compact circuit breaker SENTRON 3VA1 as a load disconnect switch variant according to IEC 60947-3 for the safe disconnection of individual system components from the network. The compact circuit breakers 3VA set standards in flexibility and modular variety with a small footprint. The load disconnect switches 3VA1 are available in 3- and 4-pole versions with various rated currents for installation in fixed installations as well as in plug-in technology. The modular and easy-to-install accessories with diverse functions are consistent and uniform across all sizes and series of the compact circuit breakers 3VA. SENTRON compact circuit breakers 3VA - a system for all applications.