| Marca | Switchgear parts |
| Numerus Modeli | Commutator Utrinque Disiunctus Cista Commutatoria Impermeabilis Ad Usum Foris |
| currus electricus nominatus | 63A |
| extremum | 4p |
| Tensio nominale operativum | 440V |
| Series | UKF |
| Typus | Cursus electricus nominatus | Numerus polorum | Tensio nominata |
| UKF-2P20 | 20 | 2 | 280 |
| UKF-3P20 | 20 | 3 | 440 |
| UKF-4P20 | 20 | 4 | 440 |
| UKF-2P35 | 35 | 2 | 280 |
| UKF-3P35 | 35 | 3 | 440 |
| UKF-4P35 | 35 | 4 | 440 |
| UKF-2P63 | 63 | 2 | 280 |
| UKF-3P63 | 63 | 3 | 440 |
| UKF-4P63 | 63 | 4 | 440 |
| Cursus (A) | 20 | 35 | 63 | |
| Polus (P) | 2.3.4 | 2.3.4 | 2.3.4 | |
| Dimensio (mm) | a | 166 | 166 | 166 |
| b | 83 | 83 | 83 | |
| c | 86 | 86 | 86 | |
