Siemens SENTRON PAC3200T Product Manual page 43

(11) Two-phase measurement, three conductors, unbalanced load, without voltage
transformer, with two current transformers
Connection type 3P4W
*
**
Figure 4-12
The device indicates 0 (zero) V for L3.
(12) Single-phase measurement, two conductors, without voltage transformer, with one
current transformer
Connection type 1P2W
*
**
Figure 4-13
Equipment Manual, 09/2022, L1V30415168B-03
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.
Connection type 3P4W, without voltage transformer, with two current transformers
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.
Connection type 1P2W, without voltage transformer, with one current transformer
Connection
4.3 Connection examples
41