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Leroy Somer R449 AVR

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$4,056.80$3,708.87 inc GST($3,371.70 ex GST)
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Genuine Leroy Somer R449 automatic voltage regulator (AVR) for the LSA series of industrial alternators provides excitation current up to 7 A with excellent reliability for SHUNT, permanent magnet (PMG) or AREP excitation types.

Designed to fit LSA 51.2, LSA 52.3, LSA 53.2 and LSA 54.2 alternators with SHUNT, permanent magnet (PMG) or AREP excitation types.

These are new and GENUINE LEROY SOMER AVRs direct from the factory.

Details

The R449 features voltage droop for genset parallel operation and short circuit current limitation. The R449 is also equipped with a Load Acceptance Module (LAM).

Key specifications

 Technology Analog
 Excitation modeSHUNT, AREP, PMG
 Rated excitation current 7 A
 Regulation accuracy (+/- %)0.5 %
 Frequency range10 – 100 Hz
 Voltage setting range (+/- %)5 %
 kU/F limitationK = 1
 Loss of sensing voltage-
 Over-excitation limitation-
 Short circuit current limitation✓
 Voltage droop✓
 Parallel operation between alternators✓
 Load Acceptance Module (LAM)✓

Compatible products

LSA 51.2
LSA 52.3
LSA 53.2
LSA 54.2

Options

Use R726 module for Power Factor (PF) regulation
Use R729 for PF + kVAr regulation and 4-20 mA signal treatment
External potentiometer