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VTEKE

Current Transformers

TK60 Series Toroidal Current Transformer

Primary Current (A)

Secondary Current (A)

Accuracy Class

Burden (VA)

Choose primary current, secondary current, accuracy class, burden to see the product code.

Product overview

The VTEKE TK60 Series is a toroidal current transformer designed for current measurement in larger conductor and busbar applications. Its increased window size provides installation flexibility for low-voltage distribution systems while offering multiple current ratios, accuracy classes and rated burden (VA) options.

Designed to convert high primary currents into standardized current values suitable for electrical measuring, metering and monitoring devices in low-voltage installations.

Key features

  • Window-type current transformer
  • Primary current range: 400–1250 A
  • Busbar capacity: 60 × 10 mm
  • Round conductor: Ø51 mm
  • Suitable for larger conductor and busbar applications
  • Various mounting options
  • Sealable terminal cover

Specifications

Electrical characteristics

Electrical characteristics
Rated PowerUp to 20 VA
Accuracy ClassClass 1, 0.5, 0.5S, 0.2, 0.2S, 0.1
Test Voltage3 kV for 1 min
Surge Current Limitation FactorFS 5

Mechanical characteristics

Mechanical characteristics
TerminalIntegral terminal cover, high cross-section brass terminal for extra safety
CaseNon-flammable, self-extinguishing ABS/PC
MountingVarious mounting options

Environmental characteristics

Environmental characteristics
Ambient Temperature (Operation)-25 °C to +85 °C
Protection Class / IP RatingIP20

Specific technical characteristics of current sensors

Specific technical characteristics of current sensors
Max. System Voltage0.72 kV
Primary Conductor60 × 10 mm
Round ConductorØ 51 mm
Number of Inputs1

Current measurement circuit

Current measurement circuit
Primary Current Range400 A to 1250 A
Secondary Current5 A
Thermal Rated Short-Time CurrentIth = 60 × In or 60 kA
Thermal Rated Continuous CurrentId = 1 × In
Rated Frequency50/60 Hz

Standards

Standards
StandardsIEC 60044-1, IEC 61869-2, VDE 0414-1, DIN 57414, BS3938, BS7626, EN 61869-2

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