DPM (Digital panel meters)

Electrical

Single-phase

Three-phase

LED

LCD

LED

LCD

Connection type

1 Phase 2 Wire (AC applications)

1 Phase 2 Wire / 3 Phase 3 Wire /

3 Phase 4 Wire

Voltmeter

Measuring voltage range

20 V to 500 V

Nominal voltage range

57.5 V to 240 V (phase to neutral) | 100 V to 415 V (phase to phase)

Over voltage

150% Un continous

Ammeter

Measuring current range

50 mA to 6 A

Nominal current range (In)

1 A or 5 A

Overload

150% In continuous

Short time over current

120 A for 1 sec

Active power

Measuring voltage range: 5 V to 500 V Voltage (Un): 57.5 V to 240 V (phase to neutral), 100 V to 415 V ( phase to phase)

Measuring voltage range: 20 V to 500 V Voltage (Un): 57.5 V to 240 V (phase to neutral), 100 V to 415 V ( phase to phase)

Measuring current range: 50 mA to 6 A, Current (In): 1 A or 5 A

Reactive power

–

As for active power

Power factor

–

0.1 lag – Unity – 0.1 lead (for In and Un)

Frequency range

45 to 65 Hz

DC Voltmeter

1 to 250 Vdc

Tolerance: +20% of Vdc

DC Ammeter

Configurable external shunt value:

-150 mV … 0 … +150 mV

Tolerance: +20% for shunt input

Auxiliary supply range

40 to 300 V AC / DC

Accuracy class

Voltage, current

±0.5% FS

Frequency

±0.1 Hz

Active power

±0.5% FS (at unity PF)

Reactive power

–

±0.5% FS

Power factor

–

±0.005

Energy

–

Class 1.0

(acc. to IEC 62053-21)

–

DC Voltmeter

±0.2% FS

–

–

DC Ammeter

±0.2% FS

–

–

Temperature coefficient

Voltage, current: 0.05% / ºC

Burden

Voltage circuit

Current circuit

1 A:

Auxiliary supply

Auxiliary supply (with -RS485)

–

–

variant only)

–