DIY Supplies: Electrical Accuracy Class: 0.1, designed to check the phase sequence. Equipped with LEDs to indicate open phase conditions and supports buzzer indication. Highly reliable for testing AC three-phase voltage ranging from 60V to 600V. Includes alligator clips for easy connection to control panel terminals, ensuring reliability and safety. Compact, lightweight, and portable for convenient use. Operating Voltage: 60V~600V AC, three-phase Maximum Withstand Voltage: 2000V/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 and intermittent beep for correct phase sequence - Red LED and continuous beep for reverse phase sequence Test Leads: Double insulated, approximately 80cm cable length Color-coded leads: - Yellow for U phase (L1/R) - Green for V phase (L2/S) - Red for W phase (L3/T) Net Weight: 136g Color: As shown in photo Material: Plastic Dimensions: 8 x 6 x 2.4cm Package Contents: 1 x 3 Phase Sequence Tester 3 x Alligator Clips 1 x Pouch 1 x User Manual Note: Light shooting and different displays may cause slight color variations between the item in the picture and the actual product. Measurement allowance: +/- 1-3cm.