Siemens SENTRON - Technical Specifications of the Electronic Module

Technical specifications
11.3 Technical specifications of the electronic module
Manual, 08/2017, L1V30368969104A-02
189
11.3
Technical specifications of the electronic module
Electronic module for the 3KC8 transfer switching equipment up to 3200 A
Unit
3KC8 (250 to 3200 A)
ATS settings
• Network variants
1 + N; 3; 3 + N
• Transfer delay
s 0 ... 60
• Return transfer delay
min 0 ... 60
• Frequency deviation
% ±3 … 10
• Voltage
% ±5 … 20
Measuring inputs
Maximum rated voltage (U
n
)
• Phase-phase
V AC 480
• Phase-neutral
V AC 277
Metering range (L-N) V 30 ... 332
Metering range (L-L) V 30 ... 600
Measuring frequency Hz 30 ... 70
Input impedance (L-L) MΩ 12
Number of monitored phases 1 or 3
Measuring method True RMS
Relative error of measurement
method
% 0.5
Auxiliary supply
Connection type Integrated dual power supply
Rated voltage (AC) V 230
Supply voltage range (AC) V 166 ... 332
Frequency Hz 45 ... 65
Power loss (230 V AC)
1)
W 2.5
Impulse withstand voltage (U
imp
)
of the control circuit
kV 4
Overvoltage category of the
control circuit
III
Digital inputs
Number of inputs Motor operator: 5
Electronic module: 6