1. Measurement accuracy: 1+/-2 percent of the word2. Display: voltage display 4 red 0.31-inch LED digital tube, current and time cumulative display using 5-digit, red 0.31-inch LED digital tube active power, electrical energy (degrees) display using 5-bit, green 0.31-inch LED digital tube3. Measuring range:- Voltage: AC80-300V- Current: AC0-100A, measuring current less than 100A current display resolution of 0.01A, measuring current greater than 100A current display resolution of 0.1A, range automatic conversion- Active power: 0-30000W- Electricity power: 0.000-99999kwh- Time accumulation: 0.00-999.59h- Power factor: 1.000-0.0004. Measuring speed: 2 times/s5. Installation width: equal to the instrument occupies 3P air switch position6. Installation mode: rail type (shipment without rail)7. Built-in transformer: the measurement circuit of the wire through the right side of the meter hole8. Function: display the measured AC voltage, AC current, power factor, active power, electrical energy and timing time of electrical energy on the meter at the same time9. Size: 54 x 80 x 64mmSpecification: Package Weight One Package Weight 0.14kgs / 0.32lb One Package Size 9cm * 6cm * 7cm / 3.54inch * 2.36inch * 2.76inch Qty per Carton 140 Carton Weight 20.70kgs / 45.64lb Carton Size 51cm * 38cm * 32cm / 20.08inch * 14.96inch * 12.6inch Loading Container 20GP: 429 cartons * 140 pcs = 60060 pcs 40HQ: 998 cartons * 140 pcs = 139720 pcs