Δ Input frequency: 50, 60 or 400Hzor 400Hzr 400Hz Δ Output volatge: 0 to 300V AC300V AC300V AC Δ Output frequency range: 40 to 499.9Hz499.9Hz499.9Hz Δ Programmable key lock setting output frequencyequencyequency Δ Easy-to-read LED display output voltage, frequency, ampere, wattage and power factor factor factor Δ Stable true sine wave output output output Δ Self test at power onower onower on Δ Galvanic isolationolationolation Δ No harmonic distortiontortiontortion Δ PWM technology minimizes the volume and weight weight weight Δ IGBT technology increases the efficiency, reliability and eliminates the noisee noisee noise Δ Capable of generating all kinds of frequencies used in all countriesuntriesuntries Δ 300% overload capabilityabilityability Δ Breaker/alarm for overload, overheating and short circuit protectiontectiontection Δ Suitable for use with RC, RL and non-linear loadsr loadsr loads