1、[APPLICABLE TYPE] This automatic voltage regulator is suitable for most 5‑6.5KW 3 phase gasoline or diesel generator sets. 2、[CIRCUIT PROTECTION] The voltage regulator has overvoltage, overcurrent and short circuit protection, with safe operation. 3、[SIMPLE WIRING] With 4 wire socket, 2 wire socket and 2pcs carbon brush wires, convenient and fast wiring. 4、[EXCELLENT MATERIAL] Using ABS shell and excellent electronic components, has stable and reliable performance. 5、[EASY INSTALLATION] The generator voltage regulator has standard mounting holes, which is easy to install and does not take up space. 1 x Voltage Regulator Item Type: Generator Voltage RegulatorMaterial: ABSApplicable Equipment: Suitable for 5- 6.5KW 3 phase gasoline generator, diesel generatorApplicable Engine Power: 5- 6.5KWGenerator Phase Number: 3 PhaseOutput Voltage: 380VHarness: 8 Wires (4 wire socket + 2 wire socket + 2 carbon brush wires (red as +))Voltage Adjustment Rate: ≤3%Starting Voltage: RMS≤2VInsulation Resistance: ≥500MΩInstallation Hole Distance: Approx. 140±1mm / 5.5± 0.04in