Siemens SENTRON ATC6500 - Inputs and Outputs of the ATC6500; Voltage Measuring Inputs

Operation
8.2 Inputs and outputs of the ATC6500
3KC ATC6500 transfer control device
144 Manual, 05/2019, L1V30538268002A-01
8.2 Inputs and outputs of the ATC6500
The following inputs and outputs are present on the 3KC ATC6500 transfer control device.
8.2.1 Voltage measuring inputs
Inputs 1-8 are used for voltage measurement and thus for the automatic transfer system of
the ATC6500.
Designation
Pin
Features
Recommended cable cross-
section
Voltage measurement
Source 1
1 L1 720 V AC (ph-ph) max.
415 V AC (ph-N) max.
0.2 - 2.5 mm
2
(24 - 12 AWG)
acc. to UL
UL508: 0.75 - 2.5 mm
2
(18 - 12 AWG)
2
L2
3
L3
4
N
Voltage measurement
Source 2
5
L1
6
L2
7 L3
8
N