

The D350 digital automatic voltage regulator (AVR) for industrial alternators provides excitation current up to 5 A with excellent reliability for permanent magnet (PMG) or AREP (auxiliary winding) excitation types.
Warranties Security
Shipping policy
D350 includes advanced protections such as over-excitation limitation and voltage sensing loss. It also includes speed detection capabilities, with over- and under-speed alarms. D350 also features voltage droop for genset parallel operation, and it is equipped with a Load Acceptance Module (LAM) to handle load impact events.
Key specifications:
Technology | Digital |
Excitation mode | SHUNT, AREP, PMG |
Rated excitation current | 5A |
Regulation accuracy (+/-%) | 0.25% |
Frequency range | 10 - 100Hz |
Voltage setting range (+/-%) | 10% |
kU/F limitation | 0.5 < k < 3 |
Loss of sensing voltage | ✓ |
Over-excitation limitation | ✓ |
Short circuit current limitation | ✓ |
Voltage drop | ✓ |
Parallel operation between alternators | ✓ |
Load acceptance module (LAM) | ✓ |
Data sheet