Mains Analysers

Type of diplay:

• LCD backlit, automactic backlit reduction off after 20 s that keyboard is not used

N° of display points:

• 10.000, 4 digits (high digit 12 mm)

Energy count:

• 8 digit counter (high digit 8 mm)

Engineering units:

• automatic display according to the set VT and CT ratios

Resolution:

• automatic, with the highest possible number of decimals

Decimal point:

• automatic, with the highest possible resolution

Reading update:

• 1,1 seconds

DISPLAY PAGES

Display is divided into four menus which can be reached with the relevant function keys:
voltage / current / power three-phase / power factor
The total active or reactive energy (alternatively) is always displayed on all the display pages.

INPUT:

• Connection:
  • single-phase and three-phase network, 3 and 4 wire
• Current rating:
  • 1 – 5 A
• External VT ratio:
  • 1…10 (max. VT primary 1200 V)
• External CT ratio:
  • 1…9999 (max. CT primary 50 kA/5A – 10 kA/1A)

CURRENT DEMAND – POWER DEMAND:

• Average period:
  • 5/8/10/15/20/30/60 min.

DISPLAY:

• Contrast:
  • 4 selctables value
• Backlight:
  • 0 – 30 – 70 – 100%
• Customized page:
  • quantitie which can be displayed when switches on

AUXILIARY SUPPLY

• Rated value Uaux ac:
  • 80…265V
• Rated frequency:
  • 50Hz
• Working frequency:
  • 47…63Hz
• Rated burden:
  • ≤4VA (with modules)
• Rated value Uaux dc:
  • 110…300VDC
• Rated burden:
  • ≤3,5W (with modules)
• Protected against incorrect polarity

INSULATION (EN 61010-1)

• Installation category:
  • III
• Pollution degree:
  • 2
• Insulation voltage rating:
  • 300V (phase neutral)
• Impulse voltage test:
  • 6kV 1,2/50μs 0,5J
• Considered circuits:
  • measure, aux. supply
• A.C. voltage test:
  • 4kV r.m.s. value 50Hz/1min
• Considered circuits:
  • all circuits and earth

TESTS FOR ELETROMAMAGNETIC COMPATIBILITY

• Emission and Immunity tests according to EN 62052-11

DISPLAY

• Phase and linked voltage
• Phase and neutral current
• Frequency
• Current demand
• Max. current demand
• Working hours and minutes (run hour meter)
• N° of display points:
  • 10.000 (4 digits)
• Engineering units:
  • automatic display
• Resolution:
  • automatic, with the highest possible number of decimals
• Run hour meter:
  • hours and minutes
• Reading update:
  • 1,2 seconds
• Accuracy (of the reading):
  • Voltage:
    • ± 0,5% (80...600V phase - phase)
  • Current:
    • ± 0,5% (10...120% In)
  • Neutral current:
    • ± 2%
  • Frequency:
    • ± 0,2 Hz

INPUT

• Single-phase and three-phase 4-wire network
• Three-phase voltage:
  • 340...450V (phase-phase)
• Single-phase voltage:
  • 195...260V
• Current rating In:
  • 5A or 1A
• Continuous overload:
  • 1,2In
• Istantaneous overload:
  • 20In/0,5 seconds
• Connection with external dedicated current transformer
• Inputs have a common point
• Frequency rating fn:
  • 50Hz
• Tolerance:
  • 47...63Hz
• Type of measurement:
  • true RMS
• Harmonic content:
  • up to the 16th harmonic
• Voltage rated burden:
  • ≤1VA (each phase)
• Current rated burden:
  • ≤0,5VA (each phase)

ENVIRONMENTAL CONDITIONS

• Reference temperature:
  • 23°C ± 2°C
• Specified operating range:
  • -5...55°C
• Limit range for storage and transport:
  • -25...70°C
• Variation to the class index:
  • ≤0,1% /°C
• Suitable for tropical climates
• Max. power dissipation ¹⁾:
  • ≤ 6,8W
  • ¹⁾ For switchboard thermal calculation