Phase Sequence Detector, MS5710

For contractors and maintenance personnel to quickly and easily determine the proper phase sequence of any three-phase power supply, motor, wattmeter, transformer, electrical installation or generator. Simply hook up the three color coded test leads and check the rotation of the dial. Includes soft case and instruction sheet. Specifications: Voltage Range: 110 to 480V; Frequency Response: 40-70Hz; Permissible Time Limits: 110V: continuous/ 220V: 30 min./ 480V: 4min; Insulation Resistance: 100MOhm; Dielectric Strength: 2000 VAC for 1 min; Clip Leads Length: 1.2 m; Dimensions: 2 1/2" W x 3 5/8" H x 1 15/16" D.