2.Idatha yobuchwepheshe
isilinganiso soguquko olulodwa
| Isilinganiso esiyinhloko samanje(A) | Inhlanganisela yamakilasi okunemba | Okuphumayo okulinganiselwe kwesibili(VA) | I-thermal current engu-1 (kA) | Ilinganiselwe i-dynamic current (kA) | ||||
| 0.2 | 0.5 | 10P10 | 10P15 | 5P20 | ||||
| 50-200 | 0.2/0.2/10P/10P | awu 120 | 300lin | |||||
| 300-400 | 0.2/0.5/10P/10P | 100lin | awu 250 | |||||
| 500-800 | 0.2/10P/10P/1 OP | 20 | 40 | 50 | 40 | 30 | 50 | 100 |
| 1000-1250 | 0.5/10P/10P/1 OP | 56 | 110 | |||||
| 1500, 1600 | 10P/10P/10P/10P | 75 | 110 | |||||
isilinganiso soguquko ezimbili
| Isilinganiso esiyinhloko samanje(A) | Inhlanganisela yamakilasi okunemba | Okuphumayo okulinganiselwe kwesibili(VA) | I-thermal current engu-1 (kA) | Ilinganiselwe i-dynamic current (kA) | ||||
| 0.2 | 0.5 | 10P10 | 10P15 | 10P20 | ||||
| 50-100 75-150 100-200 | 0.2/0.2/10P/10P0.2/0.5/10P/10P0.2/10P/10P/1 OP0.5/10P/10P/1 OP 10P/10P/10P/10P | 15 | 25 | 50 | 40 | 30 | awu 120 | 300lin |
| 150-300 200-400 | 16 | 40 | ||||||
| 300-600 400-800 | 20 | 50 | ||||||
| 500-1000 600-1200 | 31.5 | 80 | ||||||
| 750-1500 800-1600 | 20 | 40 | 50 | 40 | 30 | 40 | 100 | |
ukuguqulwa kwesilinganiso okuthathu
| Isilinganiso esiyinhloko samanje(A) 50-75-100 75-100-150 100-150-200 | Inhlanganisela yamakilasi okunemba | Okuphumayo okulinganiselwe kwesibili(VA) | I-thermal current engu-1 (kA) | Ilinganiselwe i-dynamic current (kA) | ||||
| 0.2 | 0.5 | 10P10 | 10P15 | 10P20 | ||||
| awu 120 | 300lin | |||||||
| _150-200-300 200-300-400 300-400-600 400-500-600 | 0.2/0.2/10P/10P0.2/0.5/10P/10P0.2/10P/10P/0P0.5/10P/10P/1 PHEZULU | 15 | 25 | 50 | 40 | 30 | 16 | 40 |
| 20 | 50 | |||||||
| snn-Rnn-ann600-800-1000 | 10P/10P/10P/10P | 31.5 | 80 | |||||
| 800-1000-12001000-1200-1500 | 20 | 40 | 50 | 40 | 30 | 40 | 100 | |
3.Umdwebo wobukhulu obuphelele
