---- May 27th 2024 ----

CAGE Code: 5DME2
ITAR Registration Code: M28889
Call: 1 (800) 377-3244
Monday to Friday 8 A.M. - 5 P.M. (Pacific Time)
E-mail questions and requirements to: sales@coilws.com

Pricing is subject to change depending on product availability and backorders.
*Please Note: Items without price are listed for CWS' capability purposes.

CT-050X (50Hz - 60Hz)

CT-0500 Series Current Sense Transformer.
Customer install single turn primary to make current sense transformer

  • Pre-set secondary winding for most common application
  • Rated Primary Current Range = 4 to 20 Amps @ 50Hz to 60Hz
  • Primary Current Range = 0.01 to 25 Amps
  • Nominal Max Rated DC Resistance Range @ 25 deg C = 66 Ohms Max
  • Burden Resistor (RL) = 100 Ohms (With Some Exceptions)
  • Output Voltage at RL @ Max Nominal Current = 0.4 V to 1.0 V
  • Accuracy Class = +/- 3%
  • Designed for 50 Hz to 60 Hz current sensing applications
  • Encapsulated construction for robust operation
  • Refer to Table Below For Details


Click the button to see examples of our custom wound products. We wind anything to meet your needs.
Outline drawing and Schematic
Industrial Grade
Bulk Packaging

1) No tooling or set up fees required for standard parts
2) Minimum order : MOQ applies if no stock
3) Typical Delivery: Stock to 6 weeks


Part Numbering

CT -0510-101

CT : Current Sensor Type
0510: Series
10 : Number of turns (1,000)
1/2/3: Material (Permalloy/Silicon/Amorphous)

) The prices shown below are for low volume quantity. Please call  800-377-3244 or
email sales@coilws.com for larger volume OEM pricing.
) Our large OEM pricing is extremely competitive. We will meet or beat any competitors prices with better deliveries
) Custom designs are available to meet any of your requirements. Please contact us
) The data shown below can be sorted by clicking each column header.Click once again to sort in reverse order.
5) Stock Quantity shown are available for immediate shipment for engineering testing. Qty shown is valid on the Date shown, and is subject to prior sales. Production qty lead time is 4 to 6 weeks.

Part Number Primary
Nominal DC
As %
3D Model Quantity
on hand
CT-0515-ST 2A 6A 35 ohms 0 ' 10% + - 10% 0.4 V rms 100 33 $5.00
Buy Now
CT-0515-HA 2A 4A 30 ohms 0 ' 10% + - 10% 0.4 V rms 120 309 $5.00
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CT-0510-101 4 Amps 5 Amps 66 Ohms 0.01 Amps   3 % 0.395 V 3D STEP 5 $5.00
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CT-0510-102 10 Amps 20 Amps 66 Ohms 0.02 Amps   3 % 0.972 V   1 $5.00
Buy Now
CT-0510-103 10 Amps 20 Amps 66 Ohms 0.02 Amps   1 % 0.0993 V   1 $5.00
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Disclaimer: Coil Winding Specialist, Inc., its affiliates, agents, and employees acting on behalf of Coil Winding Specialist, Inc. (collectively, CWS) disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. CWS reserves the right at any time and from time to time to make changes to design, technical specification, or construction of any product listed on this website without notice. CWS also reserves the right to discontinue or limit sale of any product or service available throughout this website on temporary or permanently basis without notice. CWS highly recommends customers not to use its products offered on this website for inappropriate use and applications. Products should be tested for its suitability by prospective customers in all possible applications and conditions. Customers using or selling CWS products for use in other than recommended applications do so entirely at their own risk and agree to fully indemnify CWS from any damages arising or resulting from such use or sale.

WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go towww.P65Warnings.ca.gov.

Any Comments, Suggestions or Questions? Contact us!
Email: sales@coilws.com
CWS 353 West Grove Ave. Orange, California 92865
Call us Toll Free: 1-800-679-3184 or 1 (800) 377-3244

Tel: (714) 279-9010, Fax: (714) 279-9482

Copyright 2008, Coil Winding Specialist, Inc
Updated July, 2013

CAGE Code: 5DME2(Registered with www.ccr.gov)