Original Leroy Somer AVR R250 Automatic Voltage Regulator Genuine Diesel Generator Alternator Sparts
R250 is an analog AVR with power controled by transistors. It is designed for small alternators with a SHUNT excitation.
R250 controls the excitation current in order to maintain the output voltage of the alternator. R250 is performant in terms of voltage regulation, simple to set, to use and is reliable.
It is in compliance with IEC 60034-1 standard and UL 508 / CSA approved.
• Voltage regulation: ± 0.5 %
• U/F function
• LAM function
• Quick response: 500 ms
• Nominal excitation current: 5A
• Maximum excitation current: 7A during 10 s
• Supply range / voltage detection: 85 to 139 V (50/60Hz)
