The Thermo King V-520 vehicle-powered temperature control system features the new Direct Smart Reefer (DSR) controller, a microprocessor control for direct-drive systems. DSR controller features include continuous load monitoring, automatic startup, three standard hour meters, alarm codes, maintenance reminders, upgradeable software, battery protection features, a clutch delay timer and options for 24 volts and 12 volts. The device is available in six models.
Thermo King