วัตต์มิเตอร์ดิจิตอล 1 เฟส แบบยึดราง (DIN Rail Kilowatt-Hour Meter ) พิกัด 10(40)A Specification: 1. Voltage 230V +- 10% 50HZ 2. Basic current = 10A 3. Max current = 40A 4. Starting current = 40mA 5. Impluse output = 1600imp/kWh 6. LCD display is 6+1 (one dicimal ), also can be specialed order 5+2 display 7. Wire connection is L N ! 4 terminal connection 8. Installed in DIN rail, meter is only 4 module 75mm width 9. Meter accurate is +-1%อ่านเพิ่มเติม