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R250 Automatic Voltage Regulator adalah sebuah Automatic Voltage Regulator analogic dengan transistor. Aplikasi Alternator LSA 42.2, 43.2, 44.2, 46.2, 47.2. Kompatibel dengan sistem eksitasi SHUNT. R250 sesuai dengan: IEC, VDE, NEMA, BS, CSA, UL508 CE tegangan rendah


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 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 %


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