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ATO Series

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Split-core current transformer with high accuracy and low phase shift

 

 

Main characteristics:

  • Measurement of AC primary currents from 0 to 125A
  • Current (ratio 1mA/A) or voltage output (ratio 225 or 333mV @ IPr)
  • Class accuracy 1 (voltage output) & 3 (current output) according to IEC 61869 standard
  • Compact
  • Self-powered
  • 10 & 16 mm diameter aperture
  • Frequency: 50/60 Hz

 

 

Features:

  • Split-core type
  • Easy mounting
  • Cable output: 1m
  • Operating range: -10°C to +55°C for voltage output models, -25°C to +70°C for current output models
  • Dimensions (ATO): 45.5 x 33.5 x 32 mm with a 10 mm sensing aperture, 56.1 x 40.8 x 33.2 mm with a 16 mm sensing aperture
  • Rated insulation voltage 600V CATIII PD2, basic insulation

 

 

Standard compliance:


  • The products are CE certified EMC 2014/30/EU regarding their safety according to the European directive 2014/35/EU and tested according to the standards IEC 61010-1.
  • UL 508 (UR marking)
  • IEC 61869 for Instrument transformers performances
  • UL 2808 (in progress)

 

 

Remarks:

  • Fast clip-on mounting whilst cable is connected
  • Principal applications are in the field of energy consumption sub-metering and analysis, branch current monitoring, defective equipment detection and power quality control
  • Slot expected to fix the ATO on conductor with a cable tie
  • DIN rail adaptor (optional)

 

 

Product search results
Model Expand Primary
Nominal
Value
Measuring
Range
Secondary
Nominal
Signal
Supply
Voltage (V)
Accuracy (%) Mounting
 
ATO-10-B225-D10 expand 10 A 14.14 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-10-B333-D10 expand 10 A 14.14 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-100-B225-D16 expand 100 A 141.4 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-100-B333-D16 expand 100 A 141.4 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-125-B1I-D16 expand 125 A 176.7 A 125 mA 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-125-B225-D16 expand 125 A 176.7 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-125-B333-D16 expand 125 A 176.7 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-15-B225-D10 expand 15 A 21.2 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-15-B333-D10 expand 15 A 21.2 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-16-B225-D10 expand 16 A 22.6 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-16-B333-D10 expand 16 A 22.6 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-20-B225-D10 expand 20 A 28.28 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-20-B333-D10 expand 20 A 28.28 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-30-B225-D10 expand 30 A 42.42 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-30-B333-D10 expand 30 A 42.42 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-32-B225-D10 expand 32 A 45.2 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-32-B333-D10 expand 32 A 45.2 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-50-B225-D10 expand 50 A 70.7 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-50-B333-D10 expand 50 A 70.7 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-60-B225-D10 expand 60 A 84.8 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-60-B225-D16 expand 60 A 84.8 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-60-B333-D10 expand 60 A 84.8 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-60-B333-D16 expand 60 A 84.8 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-63-B225-D10 expand 63 A 89.1 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-63-B225-D16 expand 63 A 89.1 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-63-B333-D10 expand 63 A 89.1 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-63-B333-D16 expand 63 A 89.1 A 0.333 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-75-B1I-D10 expand 75 A 106 A 75 mA 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-75-B225-D10 expand 75 A 106 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
ATO-75-B225-D16 expand 75 A 106 A 0.225 V 0-0 Bi 1 On primary fastening
  Technology: Current Transformer  
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