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Designed with a 10.8” window and 35” in length is DENT Instruments‘ CT-R36-A4-U Revenue Grade RōCoil™ Flexible Current Transformer. The Rogowski CT offers more benefits than the conventional rigid core current transformer. It has a greater current range, larger window size and its light and mechanically flexible structure make it ideal for a variety of applications that requires work in tight spaced areas. The CT-R36-A4-U makes for use around irregular shaped conductors, cable bundles and large bus bars essentially effortless.
The revenue grade CT provides an output signal of 131mVAC per 100A at 60Hz. It is crafted for the non-intrusive measurement of AC current over a wide range, pulsed DC, distorted waveforms as well as from 20 Hz to 5kHz.
The CT-R36-A4-U is crafted for use with the PowerScout and ELITEpro XC series from DENT Instruments.
*Requires a customer-supplied integrator/amplifier, such as the one built into the ELITEpro XC and PowerScout series.
Length | 90 cm (35”) |
Window Size | 27.5 cm (10.8”) |
Output Signal | 131 mVAC/1000A @ 60 Hz 109.2 mV/1000A @ 50 Hz |
Current Range | 5 - 5000A AC* |
Accuracy (Typical) | < 0.6%** |
ELECTRICAL All accuracies specified at 20°C (±2°C) with RōCoil™ centered on conductor. | |
Output Signal | 131 mV/1000A @ 60 Hz 109.2 mV/1000A @ 50 Hz |
Wire Colors | White = (+) positive Brown = (-) negative Bare wire = shield |
Phasing | Arrow Points Towards Load |
Phase Shift | < 0.2° at 50/60 Hz |
Frequency Range | 20 Hz to 5 kHz* |
Useful Current Range | 5 - 5000A AC* |
Linearity | ± 0.2% |
Temperature Sensitivity | 0.07% per °C |
MECHANICAL | |
Coil Materials | Blue thermoplastic rubber, flame retardant UL 94 V-0 rated |
Coupling Materials | PA6 UL 94 V-0 rated |
Shielding | 100% transducer, 100% output lead |
Working Temperature | 20 °C to +70 °C (-4° to +158 °F) |
SAFETY | |
Working Voltage | 1000 Vrms maximum |
Dielectric Strength | 7400 VAC around coil 1000 VAC rated leads |
Certifications | Conforms to UL STD 61010-1 Certified to CAN/CSA STD C22.2 No. 61010 |
*Depending on meter compatibility. RōCoil CTs UL Rated to 100KA AC. ELITEpro SP/XC (v .212 or newer firmware) and PowerScout™ 3 and 24 (v. 3.16 or newer firmware) rated for 5-5000A. Meters with earlier firmware versions rated from 50-5000A AC. PowerScout™18 rated for 50-3500A.
**Installed using best practices with conductor centered in the CT window and ensure any external conductors are a minimum distance of > 2X the diameter of the RōCoil. Accuracy below 20A rated at 1.5% +/- 0.5A when used with DENT ELITEpro/PowerScout meters. RōCoil have been 100% verified to meet the C57.13-2008 Class 1.2 Standard.
- • Irregular Shaped Conductors
- • Cable Bundles
- • Large Bus Bars
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