One Steca's bestsellers are the regulators of the Solsum Fw series, used in small solar systems household with 5 to 10 Amp solar charging and capacity Working current (up to 240 Wp) Solsum Fw Series is a redesign of the C series was Solsum released in 2009. The Fw series advantages terminals are long, fully printed circuit boards covered and easy to understand display. The technology uses electronic board holes interns to facilitate local maintenance.
