PMAC735 Three phase modbus LCD multifunction power meter

Metering

True RMS, 1 sec refresh time

Input

Rate current: 1A or 5A

Rate voltage: direct 120 ~277Vph-N, (optional)                      

PT secondary 57.7/ 100V

Frequency: 50/ 60Hz

Overload

120% of rated, continuously

Instantaneous current: 10 times/ sec

Instantaneous voltage: 2 times/ sec

Status input (optional)

≤8 channels,

provides 30VDC power if it is dry contact

Relay output (optional)

≤4 channels,

Node capacity: 220VAC/5A, 30VDC/5A

Analog output (optional)

1 channel,

4~20mA, load resistance: 400 Ω

Pulse output (optional)

2 channels, Pulse width: 80ms

Pulse constant: 1000~40000 programmable

1 pulse = (1÷ pulse constant ×PT ×CT) kWh

Power frequency withstand voltage

AC 2KV/minute

Insulation resistance

≥50MΩ

Impulse withstand voltage

4kV (peak), 1.2/50uS

Power supply

85~265VAC, 80~300VDC

Or 24-48VDC (optional)

Power loss

<2VA

Communication

RS485 serial, support Modbus-RTU

Baudrate: 4800, 9600, 19200, 38400bps

Address: 1~247

Dimension

(L x W x H)

Panel: 96 x 96 x 18 mm

Cut-out: 89.5 x 89.5 x 65 mm (+0.5mm)

IP index

IP54 (front panel) and IP20 (case)

Weight

Approx. 500gr.

Parameter

Accuracy

Resolution

Measuring Range

Voltage

0.2%

0.01V

Directly: 300Vph-N, 520Vph-ph

PT primary: 0~499,999V

PT secondary: 57.7Vph-N, 100Vph-ph

(Note: when PT ratio is non-integer, voltage range is 0~ 49,999V)

Current

0.2%

0.001A

CT primary: 0~49,999A

CT secondary: 1 A or 5A

Power

0.5%

0.1W/ var

each phase: 0~100 MW/ Mvar

Power factor

0.5%

0.001

-1.000~+1.000

Frequency

0.01

0.01Hz

35~ 65 Hz

Active energy

1.0%

0.1kWh

0~ 99,999,999.9 kWh

Reactive energy

2.0%

0.1kvarh

0~ 99,999,999.9 kVarh

THD

1.0%

0.001

0~100.0%

Individual harmonic

1.0%

0.001

0~100.0%

Un-balance

1.0%

0.001

0~100.0%