The TEST-330B three-phase secondary current injection test set is an ideal high-end instrument designed for precision testing that requires accuracy up to 0.1% or higher. It is widely applicable not only for testing all types of protection relays and related equipment, but also acts as a versatile universal calibrator.
This intelligent secondary injection unit supports adjustable AC and DC current and voltage output, and can produce harmonics from the 2nd to the 21st order. It features a maximum output current of 90A and a maximum output voltage of 300V. Matched professional PC control software is available to realize remote control and automatic testing operations easily.
With outstanding testing accuracy and reliable stable performance, the TEST-330B is well suited for R&D, production verification and type testing of protection and metering device manufacturers. It is also an excellent choice for daily testing, debugging and commissioning work in power utilities and power grid companies.
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