TQ 18-B

TQ 18-B

Current transformer

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Article features

  • Very compact
  • Excellent for retrofitting, as the primary circuit does not have to be interrupted
  • Especially suitable for digital measuring instruments
  • Super fast and easy installation
  • Transformer secured by UV-resistant cable ties
  • This cable conversion current transformer is supplied with multi-colour coded connection leads
Round conductor
Ø 18 mm
Dimensions (W × H × D)
49 × 67.2 × 44.5 mm
Rated current
100, 125, 150, 200, 250 A
Instrument security factor
FS 5
Round conductorØ 18 mm
Dimensions (W × H × D)49 × 67.2 × 44.5 mm
Rated current100, 125, 150, 200, 250 A
Instrument security factorFS 5

Conditions of use

Normative standardsIEC 61869 part 1 + 2
Rated short-time thermal currentIth = 60 x Ipr / 1s
Rated continuous thermal currentIcth = 1
Rated insulation level0,72/3/-kV
Rated frequency50 - 60 Hz
Insulation classE / F / H

Environmental conditions

Installation locationIndoor use
Ambient temperature-10°C ... +55°C
relative humidity5% ... 85%, no condensation
Altitudeup to 2000 m
Protection class (secondary terminals)IP20
RemarkOnly suitable for insulated conductor

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