The R250 Genuine Leroy Somer AVR for the LSA series of industrial alternators provides excitation current up to 5 A with excellent reliability for SHUNT excitation types.
The R250 Genuine Leroy Somer AVR is also equipped with a Load Acceptance Module (LAM). The R250 is an analogue AVR with transistor-controlled power. It is intended for use with tiny alternators that use a SHUNT excitation. R250 regulates the excitation current in order to keep the alternator’s output voltage stable. R250 is a high-performance voltage regulator that is easy to set up and operate.
It complies with the IEC 60034-1 standard and is UL 508 / CSA certified.
|Excitation mode||SHUNT, 3-phase and 1-phase|
|Rated excitation current||5 A|
|Regulation accuracy (+/- %)||0.5 %|
|Frequency range||10 – 100 Hz|
|Voltage setting range (+/- %)||5 %|
|kU/F limitation||K = 1|
|Loss of sensing voltage||–|
|Short circuit current limitation||–|
|Parallel operation between alternators||–|
|Load Acceptance Module (LAM)||✓|
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