Siemens SENTRON PAC3200T, Product Manual, Page: 42 / 136

Connection
4.3 Connection examples
40
Equipment Manual, 09/2022, L1V30415168B-03
(9) Three-phase measurement, three conductors, balanced load, without voltage
transformer, with one current transformer
Connection type 3P3WB
* The fuses are only used for cable protection. All commercially available fuses and automatic
circuit breakers up to 16 A (C) or 20 A (B) can be used.
** Install a short-circuit device. Protection against overvoltage when the secondary transformer
circuit is open.
Figure 4-10 Connection type 3P3WB, without voltage transformer, with one current transformer
(10) Three-phase measurement, three conductors, balanced load, with voltage
transformer, with one current transformer
Connection type 3P3WB
* The fuses are only used for cable protection. All commercially available fuses and automatic
circuit breakers up to 16 A (C) or 20 A (B) can be used.
** Install a short-circuit device. Protection against overvoltage when the secondary transformer
circuit is open.
Figure 4-11 Connection type 3P3WB, with voltage transformer, with one current transformer