4 Pack Universal Brushless Automatic Voltage Regulator Module for Generators<br><br>Features:<br>- High precision voltage regulation: less than ±0.5%<br>- Programmable input: 220/400 VAC (1 phase 2 wire)<br>- Rugged and compact design for easy installation<br>- Under frequency protection and soft start voltage ramping<br>- Built-in 15A high capacity fuse for safety<br>- Suppression function for stable operation<br><br>Specifications:<br>- Sensing Input: 220/400 VAC, 1 phase 2 wire<br>- Power Input: 180~240 V, 1 phase 2 wire<br>- Output: Max 90V DC @ 240V AC input<br>- Current: Continuous 6A, Intermittent 12A for 10 seconds<br>- Minimum resistance: 10 ohms, Maximum: 100 ohms<br>- Voltage Build-up: Residual volts at AVR terminal >5VAC<br>- Soft Start Ramp Time: 3 seconds<br>- External Voltage Adjustment: ±7% with 1 kohm 1 watt trimmer<br>- Power Dissipation: 8 watts maximum<br>- Thermal Drift: 0.05% per °C change in AVR ambient<br>- Under Frequency Presets: 60Hz system knee at 57Hz, 50Hz system knee at 47Hz (factory settings)<br>- Operating Temperature: -40°C to 65°C, Storage: -40°C to 85°C<br>- Relative Humidity: <95%<br><br>Package Includes:<br>4 x GAVR-20A Automatic Voltage Regulator<br>4 x Instruction Manuals<br><br>Note: This is a universal replacement compatible with many brushless generators. Colors may vary slightly due to monitor settings. Measurement tolerance: ±1-3cm.