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The R 449 is an analogic Automatic Voltage
Regulator with transistor.

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Applications
Alternators LSA 50.1, 51.2, 53, 54.
Compatible with the SHUNT, AREP+ PMI or PMG

excitation system.

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Main characteristics
Voltage regulation +/- 0.5 % at steady state and
constant speed.
Two phase voltage sensing.
Control by transistor means the regulation
quality is independant of load applied.
Integrated "LAM" system to cope with increased

loads applied to the engine
(activated by a wire strap
).
Suitable for high levels of vibration and harsh
environments.
The R 449 is compatible with other modules
giving additional functions.

(parallel operation, 3 phase sensing ...)
Documentation
Compliance with:
IEC, VDE, NEMA, BS, CSA, UL508
CE low voltage