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The R448 & R448 V50 are analogic Automatic
Voltage Regulators with transistor.

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Applications
R448 for alternators LSA 42.2, 43.2, 44.2, 46.2,
47.2, 49.1.
R448 V50 for alternator LSA 50.2
Compatible with the SHUNT, AREP or PMG

excitation system.

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Main characteristics
Voltage regulation +/- 1% at steady state and
constant speed.
Phase to 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 448 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