The Mark 300A

This versatile dual-purpose power unit permits fast normal and deep etch applications. Featuring separate normal and deep etch circuits, five-position power selector, stencil protection circuit, solid state circuitry, built-in ampere meter, and an active stencil cleaner tray circuit (extends stencil life). Its heavy duty 30 amp 36 volt controlled maximum output and rugged construction with 5 ampere push button circuit breaker insures years of trouble-free operation. The unit is Los Angeles City certified and comes with an unconditional one (1) year material and workmanship warranty.