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ACT Series Split-Core Current Transformers - Accu-CT up to 250A

The Accu-CT revenue grade, split-core current transformer offers outstanding linearity and phase angle accuracy with a unique one-handed opening and closing mechanism.
Part Number: ACT-0750
*
$91.00 ex GST
[$100.10 inc GST]

All CTs Are Not the Same!

Split-Core Current Transformer with Revenue Grade Accuracy

  • Excellent Linearity

  • Low Phase Angle Error

  • 5 to 250 Rated Amps

The Accu-CT revenue grade, split-core current transformer offers outstanding linearity and phase angle accuracy with a unique one-handed opening and closing mechanism.

  • IEEE C57.13 and IEC 60044-1 accuracy: over full temperature range and down to 1% of rated current
  • Exceptionally low phase angle error: essential for accurate power and energy measurements
  • Glove-friendly: easy to open and install with one hand while wearing safety gloves
  • Safe: burden resistor built-in, 333 mVac voltage output, no shorting blocks needed
  • Approvals: UL recognized, CE mark, RoHS
  • Patents Pending

Models

Standard

ModelRated
Amps
Max
Amps
ACT-0750-005 5 75
ACT-0750-020 20 150
ACT-0750-050 50 200
ACT-0750-100 100 200
ACT-0750-200 200 350
ACT-0750-250 250 400
Non-Stock Models
ACT-0750-015 15 150
ACT-0750-030 30 200
ACT-0750-070 70 200
ACT-0750-150 150 300
  • List prices for quantity 1 to 30 pieces. Call for pricing on larger quantities.
  • Option C0.6
  • Max Amps is the recommended maximum continuous current. See ACT-0750 Maximum Amps for details.

ACT-0750-20A-200A-Accuracy-Graph.png

Performance Graphs

  • Graphs show typical performance at 23°C, 60 Hz
  • Graph shows a positive phase angle when the output leads the primary current.

Options

Opt C0.6

With Option C0.6, the Accu-CT meets IEEE/ANSI C57.13-2008 class 0.6 accuracy and IEC 60044-1 class 0.5 and class 0.5 S accuracy from -30°C to 55°C and from 1% to 120% of rated primary current (see CT Accuracy Standards).

  • Note: the ACT-0750-250 Opt C0.6 accuracy is only specified to 100% of full-scale primary current (other models are specified to 120%).
  • Accuracy improves to ±0.5% from 1% to 120% of rated primary current from -30°C to 55°C.
  • Phase angle improves to ±0.5 degrees from 1% to 120% of rated primary current from -30°C to 55°C.
  • Includes a certificate of calibration
    • Order option C0.6,N if you need the C0.6 accuracy, but do not need a certificate of calibration.
  • Not available for 5, 15, and 20 amp Accu-CT models.

Opt 50 Hz

Standard models are calibrated for optimum accuracy at 60 Hz. Option 50 Hz calibrates for best accuracy at 50 Hz. Option 50 Hz models have the same accuracy specifications as standard models and are also available in combination with Option C0.6 (selected rated amps) for higher accuracy.

Note: All models in Australia are supplied with the 50Hz Option

Opt FT

The Accu-CT can be ordered with custom lead lengths. For example, Opt FT=50 for 50 foot leads. We also sell extra lead wire to allow for field extension of the leads. Option FT does not affect the accuracy specifications.

Advanced Options

The Accu-CT advanced options are generally not useful when ordering the Accu-CT for use with a WattNode® meter, but may be useful for other applications.

See Also

Safety Note

Warning: Hazardous Voltages - Only qualified personnel or licensed electricians should install the WattNode meter and current transformers.

All CTs Are Not the Same!

Split-Core Current Transformer with Revenue Grade Accuracy

  • Excellent Linearity

  • Low Phase Angle Error

  • 5 to 250 Rated Amps

The Accu-CT revenue grade, split-core current transformer offers outstanding linearity and phase angle accuracy with a unique one-handed opening and closing mechanism.

  • IEEE C57.13 and IEC 60044-1 accuracy: over full temperature range and down to 1% of rated current
  • Exceptionally low phase angle error: essential for accurate power and energy measurements
  • Glove-friendly: easy to open and install with one hand while wearing safety gloves
  • Safe: burden resistor built-in, 333 mVac voltage output, no shorting blocks needed
  • Approvals: UL recognized, CE mark, RoHS
  • Patents Pending

Models

Standard

ModelRated
Amps
Max
Amps
ACT-0750-005 5 75
ACT-0750-020 20 150
ACT-0750-050 50 200
ACT-0750-100 100 200
ACT-0750-200 200 350
ACT-0750-250 250 400
Non-Stock Models
ACT-0750-015 15 150
ACT-0750-030 30 200
ACT-0750-070 70 200
ACT-0750-150 150 300
  • List prices for quantity 1 to 30 pieces. Call for pricing on larger quantities.
  • Option C0.6
  • Max Amps is the recommended maximum continuous current. See ACT-0750 Maximum Amps for details.

ACT-0750-20A-200A-Accuracy-Graph.png

Performance Graphs

  • Graphs show typical performance at 23°C, 60 Hz
  • Graph shows a positive phase angle when the output leads the primary current.

Options

Opt C0.6

With Option C0.6, the Accu-CT meets IEEE/ANSI C57.13-2008 class 0.6 accuracy and IEC 60044-1 class 0.5 and class 0.5 S accuracy from -30°C to 55°C and from 1% to 120% of rated primary current (see CT Accuracy Standards).

  • Note: the ACT-0750-250 Opt C0.6 accuracy is only specified to 100% of full-scale primary current (other models are specified to 120%).
  • Accuracy improves to ±0.5% from 1% to 120% of rated primary current from -30°C to 55°C.
  • Phase angle improves to ±0.5 degrees from 1% to 120% of rated primary current from -30°C to 55°C.
  • Includes a certificate of calibration
    • Order option C0.6,N if you need the C0.6 accuracy, but do not need a certificate of calibration.
  • Not available for 5, 15, and 20 amp Accu-CT models.

Opt 50 Hz

Standard models are calibrated for optimum accuracy at 60 Hz. Option 50 Hz calibrates for best accuracy at 50 Hz. Option 50 Hz models have the same accuracy specifications as standard models and are also available in combination with Option C0.6 (selected rated amps) for higher accuracy.

Note: All models in Australia are supplied with the 50Hz Option

Opt FT

The Accu-CT can be ordered with custom lead lengths. For example, Opt FT=50 for 50 foot leads. We also sell extra lead wire to allow for field extension of the leads. Option FT does not affect the accuracy specifications.

Advanced Options

The Accu-CT advanced options are generally not useful when ordering the Accu-CT for use with a WattNode® meter, but may be useful for other applications.

See Also

Safety Note

Warning: Hazardous Voltages - Only qualified personnel or licensed electricians should install the WattNode meter and current transformers.

Specifications

Accuracy

The accuracy specifications apply over the full operating temperature range (-30°C to 55°C) unless otherwise noted. Standard models are calibrated for optimum accuracy at 60 Hz. For use with 50 Hz services, we recommend ordering with Option 50Hz.

The following accuracy specifications apply to the standard model (no options) or for Option C0.6; the specifications may vary for other options, so see the details on individual options for specifications.

Standard Accuracy

  • Accuracy: ±0.75% from 1% to 120% of rated primary current
  • Phase angle: ±0.50 degrees (30 minutes) from 1% to 120% of rated current
  • IEEE C57.13 accuracy: class 1.2 from 1% to 120% of rated current
  • IEC 60044-1 accuracy: class 1.0 from 1% to 120% of rated current
  • Note: The ACT-0750-250 specifications apply at 120% of rated current only at temperatures of 40°C and below.

Option C0.6 Accuracy

With Option C0.6, the Accu-CT is calibrated and verified to meet IEEE/ANSI C57.13-2008 class 0.6 accuracy and IEC 60044-1 class 0.5 S accuracy and each CT is shipped with a certificate of calibration.

  • Accuracy: ±0.50% from 1% to 120% of rated primary current
  • Phase angle: ±0.25 degrees (15 minutes) from 1% to 120% of rated current
  • IEEE C57.13 accuracy: class 0.6 from 1% to 120% of rated current
  • IEC 60044-1 accuracy: class 0.5 and 0.5 S from 1% to 120% of rated current
  • Available Models: Option C0.6 is only available for ACT-0750-030, ACT-0750-050, ACT-0750-070, ACT-0750-100, ACT-0750-150, ACT-0750-200, and ACT-0750-250
  • Note: The ACT-0750-250 Opt C0.6 specifications apply at 120% of rated current only at temperatures of 40°C and below.

Electrical

  • Primary rating: 5 to 250 amps nominal, 600 Vac, 60 Hz nominal
  • Maximum continuous primary current: varies with model and options
  • Maximum primary conductor gauge: 4/0, 250 kcmil (see Wire Gauges)
    • Note, the largest sizes may not fit in all cases, depending on insulation thickness.
  • Output: 333.33 mVac or 1.00 Vac (with Option 1V)
  • Output lead wires:
    • Standard length: 8 ft (2.4 m)
    • Gauge: #22 AWG
    • Type: MTW, UL 1015
    • Voltage: 600 Vac
    • Style: Two conductor: white and black, twisted

Mechanical

ACT-0750-Dimensions.png

  • Width: 2.38 inches (60.4 mm)
  • Height: 2.40 inches (61.0 mm)
  • Thickness: 0.90 inches (22.9 mm)
  • Window: 0.78 inches (20.0 mm)
  • Weight: 6.1 oz (172 grams)
  • Material: PC/ABS

Miscellaneous

  • Operating temperature: -30°C to 55°C
  • UL recognized: file number E325972 (XODW2), standard IEEE/ANSI C57.13
  • cUL recognized (Canada): file number E325972 (XODW8), standard CAN/CSA 60044-1
  • CE mark: IEC 60044-1; Declaration of Conformity
  • RoHS
  • Assembled in USA, qualified under the Buy American provision in the American Recovery and Reinvestment Act of 2009 (ARRA).
  • Label barcode: QR Code, "Model ; SerialNum"
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