AVR R450M Automatic Voltage Regulator for Diesel Generator


Substitute Leroy Somer R450M AVR Automatic Voltage Regulator

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Availability: 20 in stock

SKU: AVR R450M Category: Tags: ,


The R450M Automatic Voltage Regulator is an analog AVR. It is designed for alternators with a SHUNT, AREP or PMG excitation.

R450M Automatic Voltage Regulator controls the excitation current in order to maintain the output voltage of the alternator.


– Voltage regulation: ± 0.5 %.

– Under-speed protection by function of R450M AVR:

1 U/f (LAM: OFF).

2 U/f (LAM: MODE1).

Auto-adaptating LAM + 2 U/f (LAM: MODE 2).

– Nominal excitation current: 6A.

– Maximum excitation current: 10A during 10 s.

– Provide range 150V (50Hz/60Hz).

– Voltage détection : ≤ 530 V.

– Protection: fuse fast 10A.

– Protection on load, short-circuit and voltage reference loss.

Operation conditions:

– Operating temperature range: – 40° C à + 65° C.

– Storage temperature range: – 55° C à + 85° C.

– Hygrometry: 98%.

– Maximum choc: 9 g on 3 axes.

– Vibrations: less than 10 Hz, 2 mm peak magnitude.

From 10 Hz to 100 Hz: 100 mm/s, below 100 Hz: 8g.

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