NDP indukcijskih števcev električne energije so določeni v naslednji preglednici:
+--+--------------+-----------+------+-----------------------------------+ | | Vrednost toka| Števci |Faktor| NDP ( %) | +--+-------+------+ električne| moči +--------+--------+--------+--------+ | |Delovni|Jalovi|energije in| | razred | razred | razred | razred | | | | |obremenitev| |točnosti|točnosti|točnosti|točnosti| | | | | | | 0,5 | 1 | 2 | 3 | | | | | | | | | |(jalovi)| +--+-------+------+-----------+------+--------+--------+--------+--------+ |1 |5 % I |10 % I|1f / 3f (L |1 |± 1,0 |± 1,5 |± 2,5 |± 4,0 | | |(0) |(0) |(1)L(2)L | | | | | | | | | |(3)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+ |2 |10 % I |20 % I|1f / 3f (L |1 |± 0,5 |± 1,0 |± 2,0 |± 3,0 | | |(0) |(0) |(1)L(2)L | | | | | | | | | |(3)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+ |3 |10 % I |50 % I|1f / 3f (L |0,5 L |± 1,3 |± 1,5 |± 2,5 |± 3,0 | | |(0) |(0) |(1)L(2)L | | | | | | | | | |(3)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+ |4 |I(0) |I(0) |1f / 3f (L |1 |± 0,5 |± 1,0 |± 2,0 |± 3,0 | | | | |(1)L(2)L | | | | | | | | | |(3)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+ |5 |I(0) |I(0) |- / 3f (L |1 |± 1,5 |± 2,0 |± 3,0 |± 4,0 | | | | |(1)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+ |6 |I(0) |I(0) |- / 3f (L |1 |± 1,5 |± 2,0 |± 3,0 |± 4,0 | | | | |(2)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+ |7 |I(0) |I(0) |- / 3f (L |1 |± 1,5 |± 2,0 |± 3,0 |± 4,0 | | | | |(3)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+ |8 |I(0) |I(0) |1f / 3f (L |0,5 L |± 0,5 |± 1,0 |± 2,0 |± 3,0 | | | | |(1)L(2)L | | | | | | | | | |(3)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+ |9 |I(0) |I(0) |1f / 3f (L |0,8 C |± 0,5 |± 1,0 |- |- | | | | |(1)L(2)L | | | | | | | | | |(3)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+ |10|I(max) |I(max)|1f / 3f (L |1 |± 0,5 |± 1,0 |± 2,0 |± 3,0 | | | | |(1)L(2)L | | | | | | | | | |(3)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+ |11|I(max) |I(max)|1f / 3f (L |0,5 L |± 0,5 |± 1,0 |± 2,0 |± 4,0 | | | | |(1)L(2)L | | | | | | | | | |(3)) | | | | | | +--+-------+------+-----------+------+--------+--------+--------+--------+