R438 Generator 220V Automatic Voltage Regulator
R438
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AVR R438 for power generator 3phase R438 is a half-wave phase controlled thyristor type Auto Voltage Regulator and forms part of the excitation system for a brushless generator.
* Voltage regulation < +/-1%
* Soft start voltage ramping
* Sensing voltage loss protection
* 120 or 240 Vac sensing, jumper selectable
* Under frequency roll off protection
* With under frequency LED indicator
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| Description | Diesel Generator Parts AVR |
| Place of origin | CHINA |
| Input voltage | 35-75V AC, (PMG, or auxiliary winding, single, three phases) |
| Reaction is measured | 90-480V AC |
| MAX. output | DC 8A 75V |
| Function | Built-in low-speed , over excitation LAM |
| REGULATION | +/-0.5% |
* Voltage regulation < +/-1%
* Soft start voltage ramping
* Sensing voltage loss protection
* 120 or 240 Vac sensing, jumper selectable
* Under frequency roll off protection
* With under frequency LED indicator
KEYWORDS:leroy somer r438,r438 avr,AVR R438,leroy somer r438,r438 avr,AVR R438,leroy somer r438,r438 avr
