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Series-CCT60-70
CCT60/70 True RMS Current Transformer for Distorted AC Waveforms
- Integral mounting flange for quick installation
- Solid core or split core configurations
- Jumper selectable range
- True RMS
Series-CCT60-70
From
$
70.87
Product Overview
- Accuracy ± 1 %
- Electrical Output 4 to 20 mA
- Enclosure Ratings UL94 V-0
- Frequency 10 to 400 Hz
- Input Type Note Field selectable; up to 200 A (depending on model)
- Isolation 2000 V
- Materials ABS
- Measurement Type Current
- Operating Temperature, Max 158 °F
- Operating Temperature, Min -22 °F
- Output Detail 4 to 20 mA, True RMS
- Relative Humidity 0 to 95%, Non-Condensing
- Response Time 250 ms to 90%
- Series ID Series-CCT60-70
- Supply Power Type DC
- Supply Voltage 24 Vdc
Supported Applications
The Dwyer Series CCT60/70 True RMS Current Transformers are designed to provide true RMS outputs on distorted AC waveforms. These devices serve as a low-cost alternative for measuring power and monitoring the operation of fans, pumps, and other equipment in Building Automation Systems (BAS) and HVAC applications. The series is specifically suited for nonlinear loads or noisy circuits where standard averaging methods may be inaccurate.
Operating Conditions & Performance
The Series CCT60/70 operates within an ambient temperature range of -22 to 158°F (-30 to 70°C) and supports humidity levels from 0 to 95% (non-condensing). The measurement frequency covers 10 to 400 Hz with a response time of 250 ms to 90%. Accuracy is rated at 1%, and the units provide an isolation voltage of 2000 V. Power requirements are specified as 24 VDC nominal.
Configuration Options
The series offers configurable measurement ranges via three jumper-selectable options to reduce ordering risks, with amperage capabilities up to 200 A depending on the model. The output signal is a true RMS 4-20 mA current loop.
Housing and Core Configurations
- Solid core models: Designed for new installations where cables can be routed through the sensor opening (e.g., CCT60-200, CCT70-200).
- Split core models: Allow installation without disconnecting existing cables (e.g., CCT60-100, CCT70-100). Users must keep split core sensors clean to ensure proper contact between mating surfaces.
Materials and Approvals
- Housing: ABS plastic housing with a UL 94 V-0 flammability rating.
- Certifications: CE, cULus compliant.
Model-Specific Ranges
- CCT60 Series (10/20/50 A): Available in solid core (CCT60-200) and split core (CCT60-100).
- CCT70 Series (100/150/200 A): Available in solid core (CCT70-200) and split core (CCT70-100).
Key Product Differences
The primary distinction within the Series CCT60/70 is the physical construction of the transformer core. Solid core models feature a continuous ring requiring cable disconnection for installation, while split core models utilize an hinged design that opens to clamp around existing conductors. Additionally, the series differentiates between two amperage range families: the 10/20/50 A configuration and the 100/150/200 A configuration, selectable via internal jumpers.
