50440

Closed toroid for residual current protection MA - Ø 120 mm

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50440

Closed toroid for residual current protection MA - Ø 120 mm

SKU
50440
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Closed toroid for residual current protection MA - Ø 120 mm

Description

This toroid is dedicated to Vigilohm Insulation Fault locators, and to VigiPacT type A residual current protection and monitoring relays. It allows the monitoring of the injected component from Vigilohm Insulation Monitor, and the measurement of a current rating up to 250A for VigiPacT monitoring and protection relays. The transformer ratio is 1/1000. The inner diameter of the toroid is 120 millimeters and the weight is 0.450kg. The cables must be centered within the toroid and the diameter represented by all these cables should not exceed 60 millimeters. The maximum cross section per phase (R, S, T, N) is 240mm² for a copper conductor.

Product details

  • Activity
    PPCCB
  • [ie] Rated Operational Current
    250 A
  • [ui] Rated Insulation Voltage
    1000 V
  • [uimp] Rated Impulse Withstand Voltage
    12 kV
  • Ambient Air Temperature for Operation
    -35-70 °C
  • Ambient Air Temperature for Storage
    -55-85 °C
  • Cable Outer Diameter
    60-60 mm: 240-240 mm² (maximum)
  • Compatibility Code
    MA120
  • Depth
    44 mm
  • Device Application
    equipment monitoring and control
  • Device Short Name
    MA120
  • Diameter
    120 mm inner:
  • Environmental Characteristic
    exposure to damp heat not in service (25...55 °C, RH 95 %) : 28 cycles conforming to IEC 60068-2-30
  • Height
    164 mm
  • Ip Degree of Protection
    connectors: IP20
  • Market Segment
    residential
  • Mounting Mode
    fixed (cables)
  • Net Weight
    0.59 kg
  • Network Frequency
    45...440 Hz
  • Network Type
    AC/DC
  • Overvoltage Category
    IV
  • Product Certifications
    CE
  • Product or Component Type
    earth leakage current sensor
  • Range
    VigiPacT
  • Range Compatibility
    RH10M residual current protection relay
  • Standards
    IEC 60947-2
  • Width
    190 mm
  • [icw] Rated Short-time Withstand Current
    85 kA for 0.5 s
  • Connections - Terminals
    screw connection 0.22-0.22 mm²
  • Calorific Value
    3.89 MJ
  • Current Transformer Type
    A type closed toroid
  • Residual Short-circuit Withstand Current
    85 kA / 0.5 s conforming to IEC 60947-2
  • Transformer Ratio
    1/1000
  • Pollution Degree
    level 3 conforming to IEC 60664-1
more specification
less specification

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