Features: 1).Long servicing life more than 25 years 2).The terminal cover is transparent, sealable and extended to prevent unauthorized tampering. 3). High accuracy, reliability, overload capability 4).Low power consumption 5).Tamper-proof, Light weight, small size, easy to install Specifications: Reference Voltage: 110V,220V,230V,240V Reference Frequency: 50Hz ,60Hz Current: 1.5/6A, 1.5/9A, 2.5/10A, 3/12A, 5/20A, 5/30A, 10/40A, 15/60A, 20/80A, 30/120A, 15/120A Overload Capacity: 2-8 lb Power Consumption: 1W Type of connection: Meter board connection, through case Nos. of wires: two wire / three wire Bearing: Magnetic Thrust Register: Drum type, Unidirectional (Optional) Impulse voltage withstand: 6Kv ,2礢 waveform (10kv optional) Limit temperature range of operation: -25 to 55 Accuracy: Class 1 or 2 Service life (MTTF): 25 years