Efficacia electrica
| UNITAS | YH5WZ-26/66 | YH5WS-32/85 | YH5WR-34/90 | |
| Tensio nominalis systematis | KV | 35 | 35 | 35 |
| Tensio nominalis compressoris | KV | 51 | 51 | 51 |
| Tensio operativa continua | KV | 40.8 | 40.8 | 40.8 |
| Currens nominalis exonerationis | KA | 5 | 5 | 5 |
| Tensio referentialis DC 1mA | ≥kV | 73 | 73 | 73 |
| Capacitas fluxus undae quadratae 2mS | A | quadringenti | DC | DCCC |
| Tolerantia impactus currentis altae 4/10μS | KA | centum | centum | centum |
| Undae praeruptae pressionem residuam afficiunt | ≤kV | 134 | 134 | 134 |
| Tensio residua impactus fulminis | ≤kV | 114 | 114 | 114 |
| Pressio residua impactus operandi | ≤kV | CLIV | CLIV | CLIV |
| Currens resistiva (cacumen) | ≤μA | CXX | 130 | CL |
| Summa fluxus (cacumen) | ≤μA | quingenti | 550 | DC |