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Hammond CT75A - Instrument Transformer - Indoor Toroidal - 600V - 5A Secondary

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Hammond CT75A - Instrument Transformer - Indoor Toroidal - 600V - 5A Secondary - Current Ratio (Pri. / Sec.) : 75:5 - 2% Accuracy - 2VA Burden

 

Availability: In stock

$92.69

Hammond CT75A - Instrument Transformer - Indoor Toroidal - 600V - 5A Secondary

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Additional Information

Brochures & Specific Sheets


Stock Code CT75A
Brand Hammond
Family Instrument Transformers
Length (in) 3.75"
Width (in) 1.75"
Height (in) 3.25"
Voltage (V) 600V
Amperage 5A Secondary
UPC 62398095287
Weight (lb.) 1.32 lbs
UL Listed RoHS, CSA, UL
Case Quantity 1
Notes For additional options and special quantity discounts, please contact our sales department 1-(855)-296-9508 x 102 or send email to cs@bulbspro.com

Features

  • Toroidal design.
  • Supplied with 24" insulated secondary leads, terminated with crimped ring connectors.
  • Suitable for use with bare (uninsulated) primary conductor in circuits up to 600 V (4 KV Hi pot); or at higher voltages when a suitably insulated conductor is used.
  • All units have 5 A secondary for use with standard AC ammeters with 5 A movements.
  • Two hole mounting bracket on all models.
  • UL E227616 volume #1 file number X0DW2

 

Application Data
To obtain current measurement:
1.Pass the wire carrying the current to be measured through the window of the CT transformer (acting as a primary winding).
2.Connect the CT secondary to an ammeter with a 5 A movement.

For higher accuracy or higher VA burden rating:
1.Choose a CT with a primary which is a multiple of the required primary rating and which has the accuracy or VA burden you require.
2.Loop the wire carrying the current to be measured through the window a number of times equal to the multiple. This "winding" will reduce the ratio back to required primary rating.
        ◦Example "A": To obtain an accuracy of 1.2% at 10VA burden with a ratio of 100:5, use a CT400 and loop 4 primary turns through the window.
        ◦Example "B": To obtain a 25:5 ratio, use a CT75 with 3 primary turns to yield 2% accuracy or a CT50 with 2 primary turns to yield 3.2% accuracy.


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