EA448

Automatic Voltage Regulator 160 Vdc 10 Amp

EA448 Permanent Magnet Generator or A.R.E.P or Auxiliary Winding type generator voltage regulator is a compatible replacement for Leroy Somer R448, R449, R438, and AEM110RE016 and also Olympian FG Wilson 922 124.

Dimension
200.0 (L) x 140.0 (W) x 62.0 (H) mm

Weight
970 g +/-2%

Description

Features

Voltage regulation < +/-0.5%

Load acceptance module (LAM)

50/60 Hz selectable

Under frequency & Exc. max protection

Single phase or three phase voltage sensing optional

Soft start voltage ramping

Normal rapid response time (option)

Apply with KUTAI IVT-1260/IVT-2460 to exceeds normal generator motor starting capabilities


Specifications

Sensing Input
Terminal
0 – 110V = 95 – 140V
Terminal
0 – 220V = 170 – 260V
Terminal
0 – 380V = 340 – 520V
Frequency
50/60 Hz selectable

Power Input
Voltage
40 to 150 Vac 3 phase

Output Current
Max. 10A

Current Droop
Max. 7% @ P.F.=0.7

Voltage Regulation
< +/-0.5% (with 4% engine governing)

Build Up Voltage
Residual volts at AVR terminal > 5 Vac

Voltage Output
Max. 160 Vdc @ 120 Vac

External Voltage Adjustment
+/-10% @ 1 kΩ 1 watt trimmer

Auxiliary Winding
6 – 150 Vac (No load rms)

Response Time
0.3 to 1 second @ +/-20% voltage vibration

LAM Voltage Droop Rate
4.5 to 6.5V/Hz @ 220 Vac selectable