From $9,716.94 Regular Price $11,768.32
To $10,271.08 Regular Price $13,208.65
GP40NL - Standard Converter without start/stop and voltage meter.
GP40PL - Standard Converter with start/stop and voltage meter display.
GPX40 - Digitally Controlled Phase Converter with Auto-Off Feature
GPX40AS - Digitally Controlled Phase Converter with On Demand Start and Auto Off Feature.