Power Monitoring and Protection

CT-CTR Series

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CT-CTR Series

Flexible Current Transformers CT-CTR Series

Flexible Current Transformers


The Dent Instruments CT-CTR Series are current transformers that have been designed for accurate non-intrusive measurement of AC current, pulsed DC or distorted waveforms where conventonal rigid core CTs are unsuitable. This type of sensor may be used to measure AC current over a wide dynamic range and from 20 Hz to 5 kHz. Some applicatons may require use of integrator/amplifier.


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QtyModelDescriptionIn StockList PriceInternet Price
CTR16A4U 16" ROCOIL™ FLEXIBLE 4.5" INFO299.92239.94
CTR24A4U 24" ROCOIL™ FLEXIBLE 7.0" INFO350.55280.44


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  • Flexible, non-intrusive measurement
  • Ability to measure where conventional rigid core CT's aren't suitable

Current Range :5 - 5000A AC*

Frequency: 20 Hz to 5 kHz

Working Voltage:1000 Vrms maximum

Lead Wires:28' (2.4M), 22 gage, 600V

Window Size:11.5 cm (4.5”), 17.9 cm (7.0”)

Materials Of Construction:Blue thermoplasƟc rubber, flame retardant UL 94 V-0 rated

Weight:0.40 lbs

Approvals:UL STD 61010‐1, CAN/CSA STD C22.2 No. 61010‐1

Warranty:1 year


Download Additional Data

document   CT-CTR Datasheet
document   CT-CTR Installation Guide