Features: Designed for third harmonic excitation, the AVR enhances generator performances. Tailored your power with GB-160 for single-phase 110/220VAC or GB-170 for three-phase 220VAC/380VAC/400VAC. Suitable for power up to 50KW, this AVR supports a wide range of generators. Optimized for carbon brush generators, ensuring a seamlessly integration. Achieve stable power with <±1.0% voltage regulation, ensuring a consistent supply for your devices. Specifications: Component:Metal+Plastic GB-160 is suitable for single-phase 110/220VAC voltage generator. Seinsing Input voltage: 110/220VAC Seinsing Input Frequency: 50-60Hz Exiciting voltage: 20-130VDC Regulation: +/-1% Output Currunt 15Amax GB170 AVR Automatic Voltage Regulator for Brush Three Phase Alternator Voltage Regulator. Sensing/Power input Voltage: 400Vac,3phase ,3wires Sensing/Power input frequency: 50/60 Hz jumper selectable Output voltage: 20-100Vdc Output Current: Shunt current Apply for output: 50KW belows generator For GB160 GB170 Size:Approx.107x82mm/4.21x3.23inch Package Includes: 1pcs Automatic Voltage Regulator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.