85 KVA Mecc Alte Generator Parts UVR6 AVR Automatic Voltage Regulator

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Automatic Voltage Regulator UVR6 AVR For Mecc Alte
Sensing Input	Voltage	100 − 290 V ac / 270 − 520 V ac
	Frequency	50-60 Hz nominal
	Phase	1 or 3 phase selectable by wiring
Power Input	Voltage	50-280 V ac
	Frequency	50-60 Hz nominal
Output	Voltage	Max. 63 V dc @power input 220 V ac
	Current	continuous 6 A, intermittent 7A for 10 sec.
	Resistance	10-100 ohms minimum
	Fuse Spec.	5×20mm S505-6.3A / 250V (slow blow type)
Regulation		< +/- 1% ( with 4% engine governing )
Build Up Voltage		Residual voltage at terminal >5 V ac @ 25 Hz
Thermal Drift		0.03% per °C change in AVR ambient
Soft Start Ramp Time		4 seconds
External voltage adjustment		±5% with 100k ohms 1/2 watt trimmer
EMI Suppression		Internal EMI filtering
Unit power dissipation		5 watts maximum
Under Frequency Protection		Adjustable range 42 − 62 Hz
Over Excitation Protection		25 − 55 V dc @ 0.1 − 20 sec
Environmental	Vibration	1.5 Gs @ 5 – 30 Hz
		5.0 Gs @ 30 – 500 Hz
	Operating temperature	-40 to +65°C
	Relative Humidity	Max. 95%
	Storage temperature	-40 to +80°C

NOTES

1.AVR can be mounted directly on the engine, genset, switchgear, control panel, or any position that will not affects operation.

2.All voltage readings are to be taken with an average-reading voltmeter Meggers and high-potential test equipment must not be used. Use of such equipment could damage the AVR.

3.Secure all wiring connection. Do not install AVR at a place with high vibrations to prevent loose connections. For safety do not touch the heat sink while in operation.

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