The ARR-M is our latest series of SCR-controlled chargers. Simplified operation, minimum maintenance and long, economical service are a few of the advantages you get with the three-phase, high-power ARR-M charger. Electrical and mechanical design features make it ideal for a wide variety of utility, industrial, and other standby power supply applications.

The “M” indicates microprocessor-controlled. All three-phase ARR-M chargers, regardless of output voltage and current utilize the same control. This feature allows for minimum parts inventory and simplifies maintenance.