ULKE-S903G 3 Phase Relay Tester – Precision & Reliability for Electrical Systems
High-precision secondary injection testing for relays with 3-phase voltage/current output (0-300V, 0-30A). Ideal for verifying protection relays in substations, industrial plants, and power grids. Durable aluminum alloy casing with shock-resistant design. Advanced DSP chip ensures stable signal generation (±0.1% accuracy). Includes 5.7" LCD touchscreen for intuitive operation. Supports multiple test modes (overcurrent, differential, distance) with auto-report generation. Compatible with IEC, ANSI, and IEEE standards. Global wholesale pricing – bulk orders available for utilities, contractors, and OEMs. Fast shipping worldwide with dedicated technical support.