Designed to check phase sequence with LEDs indicating open phase status and buzzer for indication. Highly reliable for testing 60V to 600V AC three-phase systems. Features alligator clips for easy connection to control panel terminals, ensuring safety and reliability. Compact, lightweight, and portable for convenient use. Accuracy Class: 0.1 Operating Voltage: 60V–600V AC, three-phase 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 with intermittent beep for correct phase sequence - Red LED with continuous beep for reverse phase sequence Test Leads: - Double insulated, approximately 80cm cable length - Yellow for U phase (L1/R) - Green for V phase (L2.S) - Red for W phase (L3.T) Net Weight: 189g Color: As shown 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 English User Manual Note: Light reflection and display differences may cause slight color variation between image and actual item. Measurement error allowance: ±1–3cm.