Power Monitoring and Protection

CX-VFD Series

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CX-VFD Series

Solid Core AC Current Transducers CX-VFD Series

Solid Core AC Current Transducers


The Kele CX-VFD Series current transducers monitor line current for electrical loads such as pumps, conveyors, machine tools, or fans and output an anolog signal to represent the load current. The CX-VFD Series is loop-powered and requires 15 to 30 VDC to power the device. The CX-VFD Series features True RMS current measurement suitable to measure complex waveforms such as those found in VFD controlled loads. They are also suitable for accurate measurement of phase angled controlled or time proportional SCR controlled load currents. The CX-VFD Series current transducers contain a precision RMS-to-DC converter circuit which will measure load current accurately for complex, distorted or noisy waveforms as opposed to ″average reading″ devices that will only accurately measure pure sine waveforms.


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QtyModelDescriptionIn StockList PriceInternet Price
CX42002-VFD CURR XDUCR, 0-2A, SOLID CORE, 4-20MA OUT, VFD In Stock92.6074.08
CX42005-VFD CURR XDUCR, 0-5A, SOLID CORE, 4-20MA OUT, VFD INFO92.6074.08
CX420150-VFD CURR XDUCR,0-50/100/150A,SOLID COR,4-20MA OUT,VFD INFO92.6074.08
CX420200-VFD CURR XDUCR, 0-200A, SOLID CORE, 4-20MA OUT, VFD In Stock92.6074.08
CX42050-VFD CURR XDUCR, 0-10/20/50A,SOLID CORE,4-20MA OUT,VFD INFO92.6074.08


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  • True RMS for complex waves
  • Input / output isolation via current transformer
  • Solid-state reliability
  • Small compact size
  • Solid, reliable mounting method

Supply Voltage:15 to 30 VDC (loop-powered)

Frequency: 20-400 Hz

Measurement Range:

 :CX42002-VFD 0-2 Amps

 :CX42005-VFD 0-5 Amps

 :CX42050-VFD 0-10/20/50 Amps - jumper selectable

 :CX420150-VFD 0-50/100/150 Amps - jumper selectable

 :CX420200-VFD 0-200 Amps

Maximum Current Draw:

 :CX42002-VFD 10 Amps Continuous

 :CX42005-VFD 15 Amps Continuous

 :CX42050-VFD 100 Amps Continuous

 :CX420150-VFD 150 Amps Continuous

 :CX420200-VFD 200 Amps Continuous

Accuracy: ± 2% FSO (5-100% of range)

Insulation Class:600 VAC, insulated conductors

Response Time:500 mS typical, 0-90%

Operating Temperature:5° to 122℉ (-15° to 50℃)

Operating Humidity:5-90% RH, non-condensing

Enclosure Rating: ABS/PC, UL94 V-0

Mounting: foot

Termination:14 to 22 AWG

Dimensions: 2.6″ x 2.65″ x 0.98″ (6.6 x 6.73 x 2.49 cm)

Window Size: 0.8″ (2.03 cm)

Approvals: cULus Listed, RoHS, ISO9001, CE

Warranty: 1 year