ZIV 7IRD-A - Control Subsystem; Power Supply Burden; Current Analog Inputs (Measurement Circuit Board); Voltage Inputs (Measurement Circuit Board)

Chapter 2. Technical Data
2-5
M7IRDA2003I
7IRD-A/J/M: Distribution Protection & Control Terminal
© ZIV APLICACIONES Y TECNOLOGÍA, S.L.U. 2020
2.3 Control Subsystem
2.3.1 Power Supply Burden
Control Subsystem Power Supply Burden
Quiescent 9 W
Maximum 20 W
Measurement Circuit Board Power Supply Burden
Quiescent 4 W
Maximum 9 W
2.3.2 Current Analog Inputs (Measurement Circuit Board)
Nominal Value (Phase and Ground) In = 5A or 1A
Thermal Withstand Capability 4 In (continuously)
50 In (for 3 s)
100 In (for 1 s)
Dynamic Limit 240 In
Current Circuit Burden In = 5A <0.2VA
2.3.3 Voltage Inputs (Measurement Circuit Board)
Nominal Value Depending on the model
Thermal Withstand Capability 2 Vn (continuously)
Current Circuit Burden Vn = 110V <0.5 VA
2.3.4 Measurement Accuracy (Measurement Circuit Board)
Current < 0.5 %
2.3.5 Accuracy of Time Measurement
Accuracy of Time Measurement E = 5 % or 30 ms (the greater)