Mains Analysers

Mains Analysers

LOW VOLTAGE NETWORK MONITOR NA96

TECHNICAL DATA

  • Three-phase line 80...500V (phase - phase)
  • Connection with external dedicated CT
  • Programmable external CT-VT ratio

DISPLAY

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

Accuracy (of the reading):

  • Voltage:
    • ± 0,5% (80...500V phase - phase)
  • Current:
    • ± 0,5% (10...120% In)
  • Powers:
    • ± 1% (10...120% Pn/Qn/Sn cosφ 0,5 ind…0,5 cap.)
  • Frequency:
    • ± 0,2 Hz

Energy count (reference voltage 400 V):

  • Active energy:
    • class 1 (EN62053-21)
  • Reactive energy:
    • class 2 (EN62053-23)

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.

PROGRAMMING

  • Parameters programming:
    • front keyboard, 4 keys
  • Programming access:
    • protected by password
  • Data and configuration parameters retention:
    • non volatile memory (no battery)

PROGRAMMABLE PARAMETER

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

INPUT

  • Single-phase network, three-phase network 3- and 4-wire
  • Three-phase voltage:
    • 80...500V (phase-phase)
  • Single-phase voltage:
    • 50...290V
  • Connection with external dedicated current transformers
  • Current rating In:
    • 5A – 1A
  • Max. current Imax:
    • 1,2In
  • Istantaneous overload:
    • 20In/0,5 seconds
  • Frequency rating fn:
    • 50Hz
  • Tolerance:
    • 47...63Hz
  • Type of measurement: true RMS value
  • Harmonic content: up to the 16th harmonic
  • Voltage rated burden:
    • ≤0,5VA (each phase)
  • Current rated burden:
    • ≤0,5VA (each phase)

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

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):
    • ≤ 5W
    • 1) For switchboard thermal calculation

HOUSING

  • Housing:
    • flush mounting (panel cutout 92 x 92mm)
  • Front frame:
    • 96 x 96 mm
  • Depth:
    • 61 mm
  • Max. depth:
    • 81 mm (with optional modules)
  • Connections:
    • screw terminals (input current) to plug out (input voltage)
  • Volmetric terminals range:
    • rigid cable max. 4,5 mm2, flexible cable max. 2,4 mm2
  • Ammetric terminals range:
    • rigid cable max. 6 mm2, flexible cable max. 4 mm2
  • Housing material:
    • self-extinguishing policarbonate
  • Protection degree (EN60529):
    • IP54 front frame, IP20 terminals
  • Weight:
    • 285 grams

LOW VOLTAGE NETWORK MONITOR NA96

DESCRIPTION

  • ORDER NO.

Netanalyser

  • MGF39000

Modul for alarm contacts

  • MGF3900A

Modul for impulse contacts

  • MGF3900I

Modul for analog contacts

  • MGF3900M

Modul with RS485 interface

  • MGF3900R

Modul with profibus interface

  • MGF3900P

Mains Analysers

NETANALYSER MF7

TECHNICAL DATA

  • Three-phase network 340...450V (phase - phase)
  • Single-phase 195...260V (phase - neutral)
  • Connection with dedicated CT
  • Programmable primary CT 5...8000A (41 ranges)
  • True RMS value measurement

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

CURRENT DEMAND

  • Display:
    • Current demand and max. current demand
  • Average period:
    • 5/8/10/15/20/30/60 minutes selectable
  • Calculation:
    • average on a selected period
  • Peak max. demand reset:
    • by hand, by keyboard

PROGRAMMING

  • Parameters programming:
    • front keyboard, 2 keys
  • Programming access:
    • key combination
  • Data and configuration parameters retention:
    • non volatile memory (no battery)

PROGRAMMABLE PARAMETER

  • Connection:
    • single-phase - three-phase 4 wire
  • External CT primay:
    • 41 ranges (see table)

SELECTABLE PRIMARY CURRENT (A)

5         10     15   20 25 30   40
50 60 70 75 80 100 120 125 150 160 200 250 300   400
500 600 700 750 800 1000 1200 1250 1500 1600 2000 2500 3000 3200 4000
5000 6000 7000 7600 8000                    
  • Current max. demand:
    • delay time, reset
  • Working hours:
    • reset

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)

AUXILIARY SUPPLY

  • Taken from measurement (selfsupplied)

INSULATION (EN 60439-1)

  • Installation category:
    • III
  • Pollution degree:
    • 2
  • Insulation voltage rating:
    • 660V
  • A.C. voltage test:
    • 4kV r.m.s. value 50Hz/1min
  • Considered circuits:
    • all circuits and earth

TESTS FOR ELETROMAMAGNETIC COMPATIBILITY

  • Emission tests according to EN 61000-6-3
  • Immunity tests according to EN 61000-6-2

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

HOUSING

  • Housing: flush mounting (panel cutout 68x68mm)
  • Front frame: 72 x 72 mm
  • Depth: 75 mm
  • Ammetric terminals range: rigid cable min.0,05 mm2 / max. 4 mm2 flexible cable min.0,05 mm2 / max. 2,5 mm2
  • Volmetric terminals range: rigid cable min. 0,05 mm2 / max. 4 mm2 flexible cable min.0,05 mm2 / max. 2,5 mm2
  • Housing material: self-extinguishing makrolon
  • Protection degree (EN60529): IP54 front frame, IP20 terminals
  • Weight: 250 grams

NETANALYSER MF7

DESCRIPTION

  • ORDER NO.

Netanalyser MF7

  • MGF37000

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