AVR R250 For Leroy Somer Alternator

R250 Automatic Voltage Regulator
R250 Automatic Voltage Regulatoris an analogic Automatic Voltage Regulator with transistor.Applications Alternators LSA 42.2, 43.2, 44.2, 46.2, 47.2. Compatible with the SHUNT excitation system. The R250 is in Compliance with: IEC, VDE, NEMA, BS, CSA, UL508 CE low voltage. Main characteristics
Voltage regulation +/- 0.5% at steady state and constant speed.
Phase to neutral voltage sensing.
The regulation quality is independant of load applied.
Optimum management of impact loads using micro-processor technology.
Suitable for high levels of vibration and harsh environments.
Supply range/voltage detection 85 to 139 V(50/60Hz).
Rapid response time(500 ms) for a transient voltage variation amplitude of ± 20%.
Voltage setting P1.
Stability setting P2.
Supply protected with an 8 A fuse, slow action (supports10 A for 10 s).
U/F Fonction and LAM
Operating at 50 Hz: (U/F gradient)
Operating at 60 Hz: (U/F gradient)
Specific operating
R250 A.V.R. Option
Gradual voltage return function

R250 Automatic Voltage Regulator Product Detail:

Place Of Origin Taizhou,China
Brand Name YAMADA
Brand Leroy Somer
Model Number R250
Type Brushless
Phase 3
Self excited Yes
Alternator Power <50KW
AVR Can Material PP,ABS,ROHS
Package 50pcs per carton
Individual box Packing Yes, We could print customer’s logo
Produce Ability 3000pieces per day
Certification CE,ROHS
Minimum Order Quantity 2PCS
Delivery Time 5-25days
Payment Term Wire Transfer(TT),Western Union, Paypal, LC at sight
Samples Charge
Samples Ship Cost Customer pay, If you have courier No.(UPS,DHL,TNT),Please send it to us.
Loading Port Ningbo ,Shanghai, Guangzhou
Harmonized System Code(HS) 8503009090
OEM Manufacture Service Yes

R250 Automatic Voltage RegulatorTechnical Specification

Voltage 85-139V AC

Frequency 50-60 Hz


Voltage max 63V DC at 100V AC input

Current continuous 8 A DC/ Intermittent 10 A for 10 secs

Regulation:+/-0.5 %

We also provide design service for customers’ demands.