With decades of design and manufacturing experience, Carling Technologies, a Littelfuse company, is the market leader in marine application switches, battery disconnects, circuit breakers and ELCIs. From small boats to luxury yachts, OEM design engineers trust our products not only for their style but also for their performance. Carling's switches are the most recognizable switch brand in the industry with unmatched quality and aesthetics. Our circuit breakers and ELCIs are guaranteed to perform under extreme marine environments while keeping boats and boaters safe from electrical currents. Carling Technologies also provides custom product solutions.