AVR-8A Automatic Voltage Regulator AVR

AVR-8A AUTOMATIC VOLTAGE REGULATOR

Voltage Regulation: < ±1%
Selectable Input Voltage: 110 / 220 / 400 VAC
Compact & Rugged Design
Under Frequency Protection (U/F)
Soft Start Voltage Ramping
EMI Suppression (Noise Filtering)
Built-in High Capacity 8A Fuse

ELECTRICAL SPECIFICATIONS
Sensing Input Voltage: 110 / 220 / 400 VAC, 1-Phase
Output Voltage: Maximum 90 VDC (at 240 VAC input)
Output Current: Continuous: 3A
Intermittent: 5A (10 seconds)
Field Resistance: 15 Ω – 100 Ω
Voltage Build-up: Residual voltage > 5 VAC at AVR terminals
External Voltage Adjustment: ±7% using 1KΩ, 1W external trimmer
Soft Start Ramp Time: 2 seconds
Power Dissipation: Maximum 8W
Terminal Drift: 0.03% per °C ambient temperature change
Frequency Protection (Factory Preset):
50Hz system: Knee point at 45Hz
60Hz system: Knee point at 55Hz