Irwin Powerbase S8 Power Supply 
The Powerbase S8 offers 0 to 12V at 8 amps via a relay switching system that provides the voltages in 1V steps. ac and dc are available simultaneously in any combination up to a combined output of 8 amps. Output is protected by a panel mounted thermal cut out. An output limiter is fitted which allows the user to preset the maximum voltage available. Irwin Powerbase S8.