From $5,626.33 Regular Price $6,704.26
To $6,145.24 Regular Price $7,257.87
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.