ULKE-S903H Certificate 3 Phase Relay Protection Testing Instrument
High-precision microprocessor relay protection tester with advanced digital signal processing for accurate fault simulation and relay calibration. Robust aluminum alloy casing ensures durability and resistance to electromagnetic interference. Designed for testing overcurrent, undervoltage, directional, and differential relays in substations, power plants, and industrial facilities. Features a 7-inch touchscreen with intuitive interface for seamless operation. Supports simultaneous 3-phase voltage and current output (0-120V, 0-30A) with 0.2% accuracy. Built-in GPS syncing for time-stamped fault records and compliance with IEC 60255 standards. Compact and lightweight (8.5kg) for easy field deployment. Includes pre-programmed test templates for rapid commissioning. Ideal for utility engineers, OEMs, and maintenance teams. Wholesale pricing available for bulk orders—global shipping with guaranteed lowest market rates.