SP Powerworld EA448

Automatic Voltage Regulator 160 VDC 10 Amp

The SP Powerworld EA448 Compatible Automatic Voltage Regulator is a direct replacement for the Genuine Leroy Somer R448.

Accepted worldwide as the only Quality and Legal aftermarket replacement. It's been designed to work in exactly the same way and operates at the same performance. It’s the same size, function and has the same wiring connections. It also comes with 12 months warranty and is Compatible with the following models:

R448 LS - R448 LS/A - R448 LS/B - R448 LS/C - RS437 - FG Wilson Part 922-124 - CAT 922-124

Ex stock - shipped Worldwide. For GBP, EURO or USD pricing please contact us:

Sales: james.daff@sp-powerworld.com

Office: info@sp-powerworld.com

Tel: +44 (0)115 923 2568 (United Kingdom)

Tel: (24-hour) +44 (0)7484709956 (United Kingdom)

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)

Specifications

Model NO. EA448
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 40~150 VAC 3 phase
Output Current Max. 10A
Current Droop Max. 4% @ P.F.=0.8
Voltage Regulation < ±0.5% (with 4% engine governing)
Voltage Build-up Residual volts at AVR terminal > 5 VAC
Voltage Output Max. 160 VDC @ 120 VAC
External Voltage Adjustment ±10% @ 1 K Ohm 1 watt trimmer
Auxiliary Winding 6~150 VAC (No load rms)
Response Time 0.3~1 sec. @ ±20% voltage vibration
LAM Voltage Droop Rate 10% & 15% selectable
Environment Operating Temperature : -40~60 °C
Storage Temperature : -40~85 °C
Relative Humidity : Maximum 95%
Vibration : 1.5G @ 5~30 Hz / 5.0G @ 30~500 Hz
AVR Controls Functions VOLT : Voltage Adjustment
STAB : Stability Adjustment
V/HZ : UFRO Knee Point Set
EXC.MAX : Excitation Current Limit
STAT : Droop Adjustment
Dimensions 203.0 (L) x 153.0 (W) x 60.5 (H) mm
Weight 970 g ±2%

*Note : All features & specifications subject to change without notice.

Dimensions

3D Display

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