82mm Toroidal Current Transformer, 600V

Toroidal Current Transformer The CTT series of toroidal, solid core current transformers provide highly accurate, non-contact step-down transformation of the AC primary current to a level appropriate for micro-processor based circuits. These solid core current transformers feature high over current measurement capability over a broad frequency range under harsh environmental operating conditions.

Accuracy Class with given Burden
Current Ratio2.5VA5.0VA12.5VA22.5VA50.0VA
200A : 5A1.01.0
250A : 5A0.51.01.0
300A : 5A0.
400A : 5A0.
500A : 5A0.
600A : 5A0.
750A : 5A0.
800A : 5A0.
1000A : 5A0.
1200A : 5A0.
1500A : 5A0.
1600A : 5A0.
2000A : 5A0.
2500A : 5A0.
3000A : 5A0.
3200A : 5A0.
4000A : 5A0.


  • Input Frequency: 50 to 400HZ
  • Accuracy Class: Compliant with IEC60044-1 Part 1, Current Transformers Class 0.2, 0.5, 1.0, 2.0
  • Operating Voltage: 600 Vac
  • Isolation Voltage: 10,000Vac for 1 minute
  • Operating temperature:
    • -25ºC to +55ºC Standard
    • -40ºC to +85ºC Optional
  • CE Approved
  • RoHS Compliant

Download CTT8211 Data Sheet (pdf 683kb)

Mounting Styles:

Standard Sizes:

Many of our products can be designed and manufactured to meet the specific application requirements. For a no obligation technical evaluation, contact us with your specific performance requirements.