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AC Current Transformers
Commercial Current Transformers (General Purpose)
CR7 Window Diameter: 2.50 (63.5)
The CR Magnetics line of Instrumentation Grade Electrical Current Transformers are available in either Commercial or ANSI Metering Class. The commercial class transformers are lower cost and well-suited for current monitoring applications. The ANSI metering class transformers are higher-cost units intended for power monitoring applications where high accuracy and minimum phase angle error are required. Nine different window openings and eight different mounting styles along with numerous secondary ratios are available to meet most applications. This short form catalog shows an overview of our most popular 5 amp secondary transformers. Contact factory for different sizes or unique electrical requirements.
Active Power Measurement with the CR6230-40 Power Transducer
Active Power Measurement with the CR6250-60 Power Transducer
Field Adjustment of Current Transformer Ratio
Low Cost Fan Control with Hysteresis
Measuring 3 Phase Currents with the CR4210 Transducer
Using External Current Transformers with Other Devices
Commerical (General Purpose)
Also in Solid Core
Ultra low frequency to 20 Hz
High volume, low cost styles
1.0, 0.2 & 0.1 ACA secondary ratios available
UL, CUL, CE, RoHs recognized
Frequency: 50 to 400 Hz
Insulation Voltage: 3500 Vac/1min.
Basic Accuracy: 90% FS or better (ANSI)
Operating Temperature: -20°C to +75°C
Installation Category: CAT II
Pollution Degree: 2
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