Tekpower Digital LED Phase Rotation Indicator, 20-400Hz, SSP8030

Indicates rotation direction of motor; ensures motor isn't damaged from incorporating wiring; tests phase orientation of three phase power sources; indicates phase orientation (clockwise or counter-clockwise) and whether each of three phases is live. ABS and Archly Plastic Made in USA or Imported Wide opreration voltage and frequency range LED and buzzer indication In full conformance with IEC-348 90 days money back guarantee and one year limited warranty Tekpower USA Service   Specifications: Operational Voltage: 200-480V AC 3 phase Time Limit for Continuous use: 60 minutes Max at 200V AV, 4 minutes Max at 480 V AC Operating frequency: 20 Hz to 400 Hz Withstand Voltage: 4000V for one minute. Dimensions: 80(L)X59(W)X23(D) mm Cable length: 29 inches (74 CM) Check out: Correct Phase (CW) Reverse Phase (CCW) Open Phase (One phase only)