Feature 1 Applicable Models: This voltage regulator is suitable for working with alternator for LSA 42.2, 43.2, 44.2, 46.2, 47.2. And it also compatible with for SHUNT excitation systems. 2 Easy Operation: This voltage regulator has a simple setting method, which is reliable and convenient to use. 3 Digital Regulation and Transistor Control: The AVR for R250 is a voltage regulator board with digital regulation and transistor controlled power. 4 ABS Material: Made from premium ABS material, this voltage regulator board is not likely to deform and also has excellent durability for long working hours. 5 Fine Workmanship: This voltage regulator is well made with accurate and stable performance, take it with confidence!Item Type: Voltage RegulatorModel: R250Material: ABSPower Input: Voltage 85-139V AC, Single Phase 2 WireFrequency: 50, 60HZSensing Input: Voltage 415V ACOutput: 90V, 8A (Continuous) 10A (Non Continuous) Within 10 SecondsVoltage Regulation Rate: 0.5%Working Environment Temperature: -20 to 70Application: for LSA 42.2, 43.2, 44.2, 46.2, 47.2. Compatible with for SHUNT Excitation Systems. Package List1 x Voltage Regulator1 x Manual