KYORITSU KEW 8031F Phase IndicatorProfessional electrical measuring instrument from KYORITSU Japan. The specifications below are based on the manufacturer's 2026 general catalog.Key Features Phase indicator designed to check the presence of open phase and also the phase sequence by rotating disk and lamps Can check a wide range of 3-phase power source from 110V to 600V Sealed against dust, the unit ensures trouble-free performance Small, Lightweight and portable. Designed for maximum ease of operation and ruggedness No exposed metal parts, Safety features are incorporated including the instant push button switch operation Specifications Operational Voltage 110 to 600V AC Fuse 0.5A/600V (F) Time limit for continuous >500V : within 5 minutes Frequency response 50/60Hz Cord 1.3m (R:red S:white T:blue) Applicable standards IEC 61010-1 CAT Ⅳ 300V, CAT Ⅲ 600V Pollution degree 2 Dimension 106(L) × 75(W) × 40(D)mm Weight Approx. 350g(Main unit only) Accessories 8923 (Fuse [0.5A/600V]) 9094 (Carrying Case) Instruction Manual Catalog reference: KYORITSU General Catalog 2026, page 83Condition: NewSpecifications and included accessories may be updated by the manufacturer. Please confirm compatibility and the required measurement category before use.