Designed to check the phase sequence. Features LEDs to indicate open-phase conditions and buzzer indication. Highly reliable for testing AC three-phase voltages from 60V to 600V. Includes alligator clips for secure connection to control panel terminals, ensuring safety and reliability. Compact, lightweight, and portable for convenient field use. Electrical Accuracy Class: 0.1 Operating Voltage: 60V–600V AC, three-phase Withstand Voltage: 2000V per minute (impulse voltage: 4000V) Operating Frequency Range: 20Hz–400Hz Maximum Continuous Use Time: 60 minutes at 200V AC; 4 minutes at 600V AC Phase Sequence Indicator: - Green LED with intermittent beep for correct phase sequence - Red LED with continuous beep for reverse phase sequence Test Leads: Double-insulated, 80cm cable length - Yellow lead for U phase (L1/R) - Green lead for V phase (L2/S) - Red lead for W phase (L3/T) Net Weight: 189g Color: As shown Material: Plastic Dimensions: 8 × 6 × 2.4 cm Package Contents: - 1 × 3-Phase Sequence Tester - 3 × Alligator Clips - 1 × Storage Pouch - 1 × English User Manual Note: Actual product color may vary slightly due to lighting conditions and display settings. Dimensional tolerance: ±1–3 cm.