Electronic active energy meters with LCD display

by EMH

Data sheet as PDF

Type designation:

Electricity meters with LON-BUS
to measure positive and optional negative active energy. In single or two collective version. Space-saving mounting due to compact design.
The direct measurement of the execution is following 3 - or 4 - phase busbars
prepared.

Controls and displays

  • 8 digit LCD display, including 3 decimal places, digit size: 4 x 6mm
  • Mechanical button for ads calling

Parameterization

  • Using LON-bus
  • Locally adjustable CT ratio

Electrical characteristics

  • Types of measurement active Energy, +A (with backstop), option: -A
  • Energy counters max. 2 tariff register (T1 / T2) for each energy direction
  • Secondary or primary impulse output
  • Data retention in the absence of power at least 20 years in the EEPROM

Mechanical characteristics

  • Snap-on housing (6M) 107,5 x 89,5 x 64,2mm, with fork busbar connection
  • Connection screw-type terminals
    current CT meter: 4mm²
    current direct measurement meter: 16mm²
    additional terminals: 2,5mm²

Approvals

  • PTB-approval
  • EC-type examination certificate according to Directive 2004/22/EC
    (MID = Measuring Instrument Directive)

Options

  • Battery for reading in the absence of power
  • Calibration

Technical data:

  • Type of construction:
    snap-on housing 6M
    107,5 x 89,5 x 64,2mm

  • Degree of protection:
    IP20

  • Weight:
    approx. 400g

  • Climatic conditions:
    ambient and
    operating temperature: -25 to +55°C
    storage temperature: -40 to +70°C
    humidity: 95% not condensing

  • Connection:
    screw-type terminals
    current CT meter: 4mm²
    current direct measurement meter: 16mm²
    additional terminals: 2,5mm²

  • Display:
    8 digit LCD display,
    including 3 decimal places
    digit size: 4 x 6mm

  • Buttons:
    for display call

  • Energy counters:
    max. 2 tariff register (T1 / T2) for each energy direction

  • Current:
    CT meter: 5||1 A / 1 (6) A
    direct measurement meter: 5 (65) A

  • Starting current:
    CT meter: 2mA
    direct measurement meter: 20mA

  • Data retention in the absence of power:
    at least 20 years in the EEPROM
  • Types of measurement:
    active Energy, +A (with backstop)

  • Frequencies:
    50Hz, 60Hz, 16,7Hz

  • Voltage direct measurement meter:
    4 wire-version: 3x290/500V; 3x230/400V;  3x63/110V; 3x58/100V
    3 wire-version: 3x500V; 3x400V; 3x230V;  3x110V, 3x100V
    2 wire-version: 230V, 110V, 100V; 63V; 58V

  • Voltage CT meter:
    4 wire-version: 3x290/500V; 3x230/400V
    3 wire-version: 3x500V; 3x400V; 3x230V
    2 wire-version: 230V

  • Accuracy:
    class 1 or class 2 according to IEC 62053-21
    class B or A according to EN 50470-1,-3

  • Power consumption per phase:
    voltage path: < 2,0VA / 1,0W
    current path direct measurement meter: < 2,5VA
    current path CT meter: < 0,5 VA

  • Transmission:
    LON FTT10A two wire (twisted-pair), 
    78kbps, max. 2,7km

  • Approvals:
    PTB-approval
    EC-type examination certificate according to directive 2004/22/EC (MID = Measuring Instrument Directive)

  • Parameterization:
    using LON-bus

  • EMC, immunity of interference:
    isolation: 4 kV AC, 50 Hz, 1 min
    EMC: 4 kV, pulse 1,2/50 μs, 2 Ω
    ISO: 6 kV, pulse 1,2/50 μs, 500 Ω10 V/m (under load)

subject to change