Specifications
Electrical characteristics
Measurement accuracy
|
IEC 61557-12 |
x/5 A CTs: PMD/Sx/K55/0.5 x/1 A CTs: IEC 61557-12 PMD/Sx/K55/1 |
|
Current |
x/5 A CTs: ±0.3%, 0.5 – 6 A x/1 A CTs: ±0.5%, 0.1 – 1.2 A |
|
Voltage |
±0.3%, 50 – 330 V L-N or 80 – 570 V L-L |
|
Power factor |
x/5 A CTs: ±0.005, 0.5 A – 6 A x/1A CTs: 0.1 – 1.2 A 0.5 L – 0.8 C |
|
Active / Apparent power |
x/5 A CTs: Class 0.5 x/1 A CTs: Class 1 |
|
Reactive power |
Class 2 |
|
Frequency |
45 – 65 Hz ±0.05% |
|
Active energy |
x/5 A CTs: IEC 62053-22 Class 0.5S x/1 A CTs: IEC 62053-21 Class 1 |
|
Reactive energy |
IEC 62053-23 Class 2 |
Voltage inputs
|
Measured voltage |
Wye: 60 – 277 V L-N, 100 – 480 V L-L ± 20% Delta: 100 – 480 V L-L ± 20% |
|
Overload |
332 V L-N or 575 V L-L |
|
Frequency |
50 / 60 Hz ±10% |
|
Minimum wire temperature rating required |
90 °C (194 °F) |
|
Impedance |
3 MΩ |
|
Burden |
0.2 VA |
|
Impulse voltage withstand |
6 KV for 1.2 μS waveform |
|
Measurement category |
III |
|
Wire |
2.5 mm2 (14 AWG) (Recommended: Copper wire) |
|
Wire strip length |
8 mm (0.31 in) |
|
Torque |
0.5 N·m (4.4 in·lb) |
Current inputs
|
Nominal current |
1 A or 5 A Requires x/5A or x/1A current transformers |
|
Measured current |
20 mA – 6 A |
|
Withstand |
10 A continuous, 20 A at 10 sec/hr |
|
Impedance |
< 1 mΩ |
|
Burden |
< 0.036 VA at 6 A |
|
Minimum wire temperature rating required |
90 °C (194 °F) |
|
Wire |
6 mm2 (10 AWG) (Recommended: Copper wire) |
|
Wire strip length |
8 mm (0.31 in) |
|
Torque |
0.8 N·m (7 in·lb) |
Control power
|
Operating range |
AC: 100 – 277 V L-N, 173 – 480 V L-L ±20% DC: 100 – 300 V |
|
Frequency |
45 – 65 Hz |
|
Burden |
AC: 5 VA DC: 3 W |
|
Wire |
6 mm2 (10 AWG) (Recommended: Copper wire) |
|
Wire strip length |
8 mm (0.31 in) |
|
Torque |
0.8 N·m (7 in·lb) |
|
Installation category |
III |
Digital output (PM3255)
|
Number |
2 |
|
Type |
Solid-state relay |
|
Load voltage |
5 – 40 V DC |
|
Maximum load current |
50 mA |
|
Output resistance |
50 Ω maximum |
|
Isolation |
3.75 kV |
|
Wire |
1.5 mm2 (16 AWG) |
|
Wire strip length |
6 mm (0.23 in) |
|
Torque |
0.5 N·m (4.4 in·lb) |
Pulse output (PM3210)
|
Number |
1 |
|
Type |
Opto-coupler output for remote transfer IEC 62053-31 compatible (S0 format output) |
|
Pulses / kWh |
Configurable |
|
Voltage |
5 – 30 V DC |
|
Current |
1 – 15 mA |
|
Pulse width |
Configurable, 50 ms minimum |
|
Isolation |
3.75 kV |
|
Wire |
2.5 mm2 (14 AWG) |
|
Wire strip length |
6 mm (0.23 in) |
|
Torque |
0.5 N·m (4.4 in·lb) |
Digital input (PM3255)
|
Number |
2 |
|
Type |
Type 1 opto-coupler inputs IEC 61131-2 compatible |
|
Maximum input |
Voltage: 40 V DC Current: 4 mA |
|
OFF state |
0 – 5 V DC |
|
ON state |
11 – 40 V DC |
|
Nominal voltage |
24 V DC |
|
Isolation |
3.75 kV |
|
Wire |
1.5 mm2 (16 AWG) |
|
Wire strip length |
6 mm (0.23 in) |
|
Torque |
0.5 N·m (4.4 in·lb) |
Mechanical characteristics
|
Weight |
0.26 kg (0.57 lb) |
|
|
IP degree of protection |
Front panel |
IP40 |
|
Meter body |
IP20 |
|
|
Display dimensions |
43 x 34.6 mm (1.7 x 1.3 in) |
|
|
Display resolution |
128 x 96 |
|
|
Display data update rate |
1 second |
|
|
Energy pulsing LED |
5000 flashes / kWh without consideration of transformer ratios |
|
Environmental characteristics
|
Operating temperature |
-25 to +70 °C (-13 to +158 °F) |
|
|
Storage temperature |
-40 to +85 °C (-40 to +185 °F) |
|
|
Humidity rating |
5 to 95% RH non-condensing at 50 °C (122 °F) |
|
|
Pollution degree |
2 |
|
|
Altitude |
< 2000 m (6561 ft) |
|
|
Location |
Indoor use only |
|
EMC (electromagnetic compatibility)
|
Electrostatic discharge |
IEC 61000-4-2 |
|
|
Immunity to radiated fields |
IEC 61000-4-3 |
|
|
Immunity to fast transients |
IEC 61000-4-4 |
|
|
Immunity to surge |
IEC 61000-4-5 |
|
|
Conducted immunity |
IEC 61000-4-6 |
|
|
Immunity to power frequency magnetic fields |
0.5 mT (IEC 61000-4-8) |
|
|
Conducted and radiated emissions |
Class B (EN 55022) |
|
Safety and standards
|
Safety |
CE as per IEC 61010-1 |
|
|
Protective class |
II Double insulated for user accessible parts |
|
|
Standard compliance |
IEC 61557-12, EN 61557-12 IEC 61010-1, UL61010-1 IEC 62052-11, IEC 62053-21, IEC 62053-22, IEC 62053-23 |
|
Modbus RS-485 communications (PM3250 / PM3255)
|
Number of ports |
1 |
|
Parity |
Even, Odd, None |
|
Baud rate |
9600, 19200, 38400 |
|
Number of stop bits |
1 |
|
Isolation |
4 kV, double insulation |
|
Wire |
2.5 mm2 (14 AWG) |
|
Wire strip length |
7 mm (0.28 in) |
|
Torque |
0.5 N·m (4.4 in·lb) |
Meter internal battery
|
The internal battery in the meter keeps the real-time clock (RTC) running when it is powered down to help maintain the meter time. The life expectancy of the meter’s internal battery is estimated to be over 10 years at 25 °C (77 °F) under typical operating conditions. |
Real-time clock
|
Type |
Quartz crystal based |
|
Clock drift |
< 2.5 s/day (30 ppm) |
|
Battery backup time |
3 years without control power (typical) |