MFM383A
2Pages

Multifunction Meter 3Ø True RMS (Voltage, Current) 3Ø Power (Active, Reactive & Apparent) Energy (Active, Reactive & Apparent) Programmable CT / PT Primary / Secondary Modbus RTU Communication (RS485) (Optional) Single pulse output Display specications Output Specications 3 rows, LCD with Backlight Lowest 7½ digit for energy display Input specications Pulse output Voltage range : External 24V DC max Current capacity : 100mA max Pulse width : 100ms ±5ms Communication interface and protocol Communication address Electrical connection Transmission mode Half duplex Input voltage range Transmission distance Transmission speed Input current range Display scrolling Automatic / Manual Stop bits Power consumption Response time 100ms (Max and independent of baud rate) Display reset For energy : 0.1k, 1k (depending upon CT ratio x PT ratio) For power, Voltage, Current : Auto resolution For Power Factor : 0.001 Voltage (L - N / L - L) : ±0.5% of F.S. Current : ±0.5% of F.S. Power factor : ±0.01 Frequency : ±0.1% For L - N Voltage >20V For L - L Voltage >35V Power (Active, Reactive, Apparent) : 1% Energy (Active, Reactive, Apparent) : Class 1 Memory retention Measuring parameters Voltage (L - L / L - N) (Individual / Average), Current (Individual / Average), Frequency, Power Factor (Individual / Total), Active, Reactive & Apparent Power (Individual / Total), Active, Reactive & Apparent Energy (Total) Auxiliary supply specications Supply voltage Settable parameters CT Primary 1 / 5A upto 10kA (Programmable for any value) Environmental specications Temperature Operating temperature : -10º to 55ºC Storage temperature : -20º to 75ºC Mechanical specications

Multifunction Meter Applicable EMI / EMC Standards Product Standard : IEC 61326 - 1 Category Side view Panel cutout Front bezel valid for communication model only ESD Immunity Surge immunity Radiated susceptibility Level III, 80 to 1000MHz (10V / m) IEC 61000 - 4 - 3 Level II, 1.4GHz to 2GHz (3V / m) Level I, 2GHz to 2.7GHz (1V / m) Conducted susceptibility Voltage dips and interruptions Dips : 0% residual voltage / 1 cycle (Criteria B), 40% residual voltage / 10 cycles 50Hz / 12 cycles 60Hz (Criteria C) 70% residual voltage / 25 cycles IEC 61000 - 4 - 11 50Hz / 30 cycles 60Hz (Criteria C)...