Device specifications

IP degree of protection (IEC 60529)

Display: IP54 (Upgrade to IP65 with optional accessory kit METSEIP65OP96X96FF)

Meter body: IP30

Mounting position

Vertical

Display type

Monochrome graphics LCD, 128 x 128 resolution

Display backlight

White LED

Viewable area

67 x 62.5 mm (2.64 x 2.46 in)

Weight

430 g

Dimensions W x H x D [protrusion from cabinet]

96 x 96 x 72 mm (depth of meter from housing mounting flange) [13 mm]

Panel thickness

6 mm maximum

• Measurement type: True RMS on three-phase (3P, 3P + N); 64 samples per cycle, zero blind

• IEC 61557-12: 2021, BS/ EN 61557-12: PMD/[SD|SS]/K70/0.5 (for firmware version 1.1.1 and higher)

Measurement type

Class of accuracy as per IEC 61557-12: 2021, BS/ EN 61557-12 (for firmware version 1.1.1 and higher)

Error

Active energy

Class 0.5S (Class 0.5S as per IEC 62053-22: 2020, BS/ EN 62053-22 at 5 A I_nominal (for 1 A I_nominal when I > 0.15 A))

±0.5%

Reactive energy

Class 2 (Class 2 as per IEC 62053-23: 2020, BS/ EN 62053-23 at 5 A I_nominal (for 1 A I_nominal when I > 0.15 A))

±2%

Apparent energy

Class 0.5

±0.5%

Active power

Class 0.5

±0.5%

Reactive power

Class 2

±2%

Apparent power

Class 0.5

±0.5%

Current

Class 0.5

±0.5%

Voltage (L-N)

Class 0.5

±0.5%

Frequency

Class 0.05

±0.05%

Power factor

Class 0.5

±0.005 Count

Voltage harmonics

Class 5

±5%

Voltage THD/thd

Class 5

±5%

Current harmonics

Class 5

±5%

Current THD

Class 5

±5%

Maximum VT/PT primary

1.0 MV AC

Specified accuracy range

20...400 V L-N / 35...690 V L-L (Wye) or 35...600 V L-L (Delta)

UL Listed up to 347 V L-N / 600 V L-L

(absolute range 35 V L-L...760 V L-L)

Overload

460 V L-N / 800 V L-L

Impedance

5 MΩ

Rated impulse voltage

6 kV for 1.2 μs

Frequency

Measured: 45...65 Hz

Nominal: 50 / 60 Hz

Burden

< 0.2 VA at 240 V AC L-N

CT secondary

Nominal: 5 A or 1 A

Measured current

5 mA...8.5 A

Starting current

5 mA

Withstand

20 A continuous

50 A at 10 sec/hr

500 A at 1 sec/hr

Impedance

< 0.3 mΩ

Frequency

Measured: 45...65 Hz

Nominal: 50 / 60 Hz

Burden

< 0.026 VA at 8.5 A

Nominal AC voltage

277 V L-N (Range: 100...277 V L-N ± 10%)

415 V L-L (Range: 100...415 V L-L ± 10%)

Burden

5 W / 11 VA max at 415 V AC

Installation category

CAT III 300 V L-N class per BS/ EN/ IEC/ UL 61010-1: 2010 + A1: 2019

Nominal frequency

50/60 Hz (Range: 45...65 Hz)

Ride-through time

80 ms typical at 120 V AC and maximum burden

100 ms typical at 230 V AC and maximum burden

100 ms typical at 415 V AC and maximum burden

Nominal DC voltage

250 V (Range: 125...250 V ± 20%)

Burden

< 4 W at 250 V DC

Ride-through time

50 ms typical at 125 V DC and maximum burden

Number

2 (selected models)

Maximum output frequency

0.5 Hz maximum (1 second ON / 1 second OFF – minimum times)

Switching current

250 V AC at 8.0 Amps, 25 k cycles, resistive

30 V DC at 2.0 Amps, 75 k cycles, resistive

30 V DC at 5.0 Amps, 12.5 k cycles, resistive

Isolation

2.5 kV rms

Number

2

Maximum load voltage

40 V DC

Maximum load current

20 mA

ON resistance

50 Ω maximum

Pulse frequency

≤ 25 Hz

Meter constant

from 1 to 9,999,999 pulses per k_h (k_h = kWh, kVARh or kVAh depending on the energy parameter selected)

Pulse width

50% duty cycle

Leakage current

0.3 micro Amps

Isolation

5 kV rms

Number

2

Voltage OFF

0...4 V DC

Voltage ON

18.5...36 V DC

Frequency

2 Hz (T ON min = T OFF min = 250 ms)

Input resistance

110 kΩ

Isolation

5 kV rms

Response time

20 ms

Whetting output

24 V DC/ 8mA max

Input burden

2 mA @ 24 V DC

Operating temperature

Meter: -25...70 °C (-13...158 °F)

Display: -20...70 °C (-4...158 °F)

Display functions to -25 ºC (-13 °F) with reduced performance

Storage temperature

-40...85 °C (-40...185 °F)

Humidity rating

Operating: 5...95% RH non-condensing at 50 °C (122 °F)

Storage: 5% to 80% RH non-condensing

Maximum dew point 37 °C (99 °F)

Pollution degree

2

Altitude

2000 m CAT III / 3000 m CAT II

Location

For indoor use in a stationary panel

Must be permanently connected and fixed

Product life

> 15 years, 45 °C (113 °F) 60% RH

Heartbeat / communications activity

Alarm / energy pulsing LED

Type

Amber LED, optical

Maximum pulse frequency

50 Hz

Pulse width

50% duty cycle (200 μs minimum ON time)

Meter constant

10000 pulses per kWh/kVARh

Configurable from 1 to 9999999 pulses per k_h (k_h = kWh, kVARh or kVAh)

(Fixed at 10,000 pulses per kWh on MID/MIR meter models)

Wavelength

590 to 635 nm

Product standards

IEC 61557-12 (IEC 61326-1), IEC 62052-11 and EN50470

Immunity to electrostatic discharge

IEC 61000-4-2

Immunity to radiated fields

IEC 61000-4-3

Immunity to fast transients

IEC 61000-4-4

Immunity to surges

IEC 61000-4-5

Immunity to voltage dips and interruptions

IEC 61000-4-11

Immunity to magnetic fields

IEC 61000-4-8

Immunity to conducted disturbances, 150 kHz to 80 MHz

IEC 61000-4-6

Radiated and conducted emissions

FCC part 15 Class B, EN55022 Class B

Safety

BS/ EN/ IEC/ UL 61010-1: 2010 + A1: 2019

Protective class

Protective Class II

Double insulated for user-accessible parts

Standard compliance

IEC 62052-31: 2015

IEC 62052-11: 2020

IEC 62053-22: 2020

IEC 62053-23: 2020

IEC 61557-12: 2021

BS/ EN 62052-31

BS/ EN 62052-11

BS/ EN 62053-22

BS/ EN 62053-23

BS/ EN 61557-12

BS/ EN 50470-1

BS/ EN 50470-3

Applicable MID/MIR standards and class index

• BS/ EN 50470-1 Class C

• BS/ EN 50470-3 Class C

Type of measuring equipment

Static watt-hour meter

Intended use

Indoor use only, permanently mounted in residential, commercial or light industrial applications, where levels of vibration and shock are of low significance

Mechanical environment

M1

Electromagnetic (EMC) environment

E2

Applicable measurements

C(kWh)

Voltage at voltage terminals

• 3-phase 4-wire Wye grounded: 3 x 63.5(110)...3 x 277(480) V AC

• 3-phase 3-wire Delta ungrounded: 3 x 110...3 x 480 V L-L

Current Rating (Imin – Iref (Imax))

0.05...5(6) A

Electrical network frequency

50 Hz

Impulse voltage rating

6 kV

AC voltage rating

4 kV

Number of ports

1

Maximum cable length

1219 m (4000 ft)

Maximum number of devices (unit loads)

Up to 32 devices on the same bus

Parity

Even, Odd, None (1 stop bit for Odd or Even parity; 2 stop bits for None)

Baud rate

9600, 19200, 38400 baud

Protocol

Modbus RTU, Modbus ASCII (7 or 8 bit), JBUS

Isolation

2.5 kV RMS, double insulated

Number of ports

1

Data rate

up to 100 Mbps

Protocol

Modbus TCP and BACnet/IP

Clock drift

~ 0.4 seconds per day (typical)

Battery backup time

3 years without control power (typical)

PCBAs assembled in this product are treated with UL approved conformal coating chemical.