Variant in Current Transformer: Protection Class CT
Protectioninal currents from 100 A to 300 A, secondary nominal current 5 A, 2 A or 1 A, in protection classes 5P5 and 10P5. Protection current transformers are used to control protective relays that have the role of disconnecting downstream circuits in the event of a current surge.
Proportional transmission behaviour of the transformer up to a multiple of the nominal current is required for the reliable function of this relay. The dimensioning of this transformer design safeguards proportional current transmission up to a multiple of the nominal current determined by the protection class.
Feature | Value |
---|---|
Input Specifications | |
Current Rating | 1 A to 6000 A |
Rated Sec . Current | 5A or 1 A or as required |
Test Voltage | 3 KVeff , 50 Hz 1 min / as applicable |
System Voltage | 720 V max |
Outer Insulation | Resin / Non - flammable Plastic / Tape (PVC or Fiber Glass) |
Protection Class | IP 65 ( Resin ) / Ip20 |
Thermal Short Circuit Current ( Ith ) | 60 X In |
Rated Continuous Thermal Current ( CTC ) | 1.2 In |
Note: Technical Specifications and illustrations are subject to change arising out of continuous Product Development.
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