MT31
  • Stock Code: 601222.SH
Products

BS Three Phase


MT31  Three Phase TOU meter

MT31
Three Phase TOU meter


LY-MT31 meters are cost-effective conventional residential electricity TOU meters that provide utilities with high degree of accuracy and reliability, allowing for three phase connection.

LY-MT31 series meters are designed fully complying with IEC standards and with a built-in RS485 communication port to support AMR applications.

MT31(2)

Parameters

MT31

Accuracy (active and reactive energy)

Class 1 for Active (IEC62053-21)
Class 2 for Reactive (IEC 62053-23)

Connection Type

3P4W

Electrical

Nominal Voltage

3x110/190V, 3x120/208V, 3x220/380V, 3x230/400V, 3x240/415V -20% to +50%

Nominal Current

5A

Max Current

120A

Starting Current (% Ib)

0.4% Ib

Frequency

50/60 Hz ± 1%

Constant

400, 1000, 1600 etc.

Power Consumption (V,I)

Voltage: 4W, 0.8VA
Current: 1.6VA

RTC

≤0.5s/d (IEC 62054-21)

Communication

Local Communication

Optical Port, RS485

Environmental

Temperature Range

Operating: ( -40°C  to + 70°C
Storage: -40°C to 85°C

Relative Humidity

≤ 95%

Mechanical

IP Degree

IP54

Meter Case

PC + 10% GF

Terminal

10mm, Brass

Dimension, LWH (mm)

265 x 170 x 75

Weight (kg)

Approx. 1.6

Functional

Load Profile

11520 entries, 30 channels (configurable interval 1 to 60 min)

Billing Periods

16 months

Event Log

100

Measuring Values

kW, kvar, kWh, kVArh, kVA, V, I, F, PF

Tariffs

4

Anti-Tampering

Magnetic Field, Meter/Terminal Cover open, Reverse Energy

Protocol & Standards

 IEC 62052-11, IEC 62053-21/23, IEC 62056-21

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