Adjusters
SR7 self excited half wave type Genset Automatic Voltage Reg
ulator is a direct replacement Automatic Voltage Regulator for SR7-1 and SR7-2
Wide Sensing Voltage Range 80~350 VAC
Wide Power Input Range 80~270 VAC, Accepts Power Input from Main Winding or Auxiliary Winding
Under Frequency Protection Indication LED
Over Excitation Protection and Indication LED
EMI Suppression
Specifications
Model NO.
SR7
Sensing Input
80~350 VAC single phase 50/60 Hz
Power Input
Voltage 50~270 VAC
Frequency 50/60 Hz
Output Voltage
63 VDC @ 220 VAC input
Output Current
Continuous 6A, Max. Intermittent 7A for 10 sec.
Voltage Regulation
Voltage Build-up
Residual voltage above 5 VAC 25 Hz
External Volts Adjustment
100 K Ohm 1/2 watt ±7%
Unit Power Dissipation
Max. 5 watt
Under Frequency Protection
Adjustable range 42~60 Hz
Over Excitation Protection
40~Max. VDC @ 0.3~20 sec.
EMI Suppression
Internal electromagnetic interference filtering
Excitation Winding Resistance
Resistance 10~100 Ohm
Environment
Operating Temperature : -40~65 °C
Storage Temperature : -40~80 °C
Relative Humidity : Maximum 95%
Vibration : 1.5G @ 5~30 Hz / 5.0G @ 30~500 Hz
Automatic Voltage Regulator Controls Function
VOLTS : Voltage Adjustment
STAB : Stability Adjustment
HZ. : Under Frequency Setting
AMP. : Over Excitation Setting
U/F : Under Frequency Protection
O/E : Over Excitation Indication LED
Dimensions
97.0 (L) x 92.0 (W) x 39.0 (H) mm
Weight
275 g ±2%
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Model Number : SR7-2 SR7 Automatic Voltage Regulator
Voltage : 220v
Phase : single phase
model : SR7-2
size : 135*100*65mm
weight : 0.3kg