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Current Transformer Terminal Block

Current transformer (CT) shorting terminal blocks provide a safe way to disconnect current transformer secondary circuits without open-circuiting the CT which would cause dangerous high voltages to develop.

// connector diagram 3 pins
// loading diagram...
// Specifications
Standard
IEC 61869-2 CT secondary
Function
Short-circuit CT before opening
Voltage
5V AC secondary nominal
Current
1A or 5A secondary rating
Use Case
Metering protection relay CT circuits
Safety
Never open CT secondary under load
// Pin Reference Table
PinNameFunctionType
S1 S1 CT secondary terminal 1 ADC
S2 S2 CT secondary terminal 2 ADC
SHORT Short Shorting bar across S1-S2 I/O

Current transformer (CT) shorting terminal blocks provide a safe way to disconnect current transformer secondary circuits without open-circuiting the CT which would cause dangerous high voltages to develop.