Connection
4.3 Connection examples
Equipment Manual, 09/2022, L1V30415168B-03
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(7) Three-phase measurement, three conductors, unbalanced load, without voltage
transformer, with two current transformers
Connection type 3P3W
* 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
Figure 4-8 Connection type 3P3W, without voltage transformer, with two current transformers
(8) Three-phase measurement, three conductors, unbalanced load, with voltage
transformer, with two current transformers
Connection type 3P3W
* 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
Figure 4-9 Connection type 3P3W, with voltage transformer, with two current transformers