HT INDUSTRIAL AUTOMATION LIMITED

Leroy Somer Generator AVR R250 Voltage Regulator

R250 LEROY SOMER AVR Product Specification Download.pdf

We have Leroy Somer AVR R250 in our regulator stock!

Replacement Models: R220, R230, R250, R438, R448, R449, R450

Original Modules: D510C, R120, R129, R250, R438, R449, R450, R450M, R450T, R630, R726, R731 

The Brands / Part No. here are for reference purpose only, our parts can exactly replace the original ones.

Part Numbers:

Leroy Somer AVR AEM110RE019 Voltage Regulator

SDMO AVR 330410933 Voltage Regulator

SDMO AVR R250330410345 Voltage Regulator

FG Wilson AVR 10000-12943 Voltage Regulator

Olympian AVR 10000-12943 Voltage Regulator

R250 AVR FOR SHUNT AlterNATORS

Description

Leroy Somer Generator AVR R250 is an analog AVR with numerical regulation function (micro-controler) and power controled by transistors.

It is designed for small alternators with a SHUNT excitation.

R250 Leroy Somer AVR controls the excitation current in order to maintain the output voltage of the alternator.

R250 AVR is performant in terms of voltage regulation, simple to set , to use and is reliable.

It is in compliance with I.E.C. 60034-1 standard and U.L. 508 / C.S.A. approved.

Operation mode : Standalone

Main feature and characteristics of Leroy Somer AVR R250 Voltage Regulator

- Voltage regulation : ± 0.5 %.

- U/F function.

- LAM function.

- Quick response : 500 ms.

- Nominal excitation current : 5A

- Maximum excitation current : 7A during 10 s.

- Provide range / voltage detection : 85 to 139 V (50/60Hz).

- Protection : fuse 8A.

Operation conditions of Leroy Somer R250 Voltage Regulator

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

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

- Hygrometry : 98%.

- Maximum choc : 9 g on 3 axis.

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

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

Connexion and setting for Leroy Somer R250 Generator AVR

Settings are done through the A.V.R.

- Potentiometer P1 : voltage setting.

- Potentiometer P2 : stability setting.

- Strap ST3 : frequency selection.

- Jumper : frequency, U/F function, LAM function

- Potentiometer ST4 : remote voltage setting.