| UF | 110 V CA | 220 V C.A. | 250 V C.A. | 330 V CA |
| D*H(mm) | D*H(mm) | D*H(mm) | D*H(mm) | |
| 75 | 34*70 | 34*70 | 34*70 | 34*70 |
| 100 | 34*70 | 34*70 | 34*70 | 42*80 |
| 150 | 34*70 | 34*70 | 34*70 | 42*80 |
| 200 | 34*70 | 42*80 | 42*80 | 42*80 |
| 250 | 34*70 | 42*80 | 42*80 | 45*100 |
| 300 | 34*80 | 42*80 | 42*80 | 45*100 |
| 350 | 42*80 | 42*80 | 45*100 | 45*100 |
| 400 | 42*80 | 45*100 | 45*100 | 45*100 |
| 450 | 42*80 | 45*100 | 45*100 | 50*100 |
| 500 | 45*100 | 45*100 | 45*100 | 50*100 |
| 600 | 45*100 | 45*100 | 45*100 | 50*100 |
| 700 | 50*100 | 50*100 | 50*100 | 50*100 |
| 800 | 50*100 | 50*100 | 50*100 | 50*100 |
| Custodia in bachelite | ||||
| UF | 110 V CA | 220 V C.A. | 250 V C.A. | 330 V CA |
| D*H(mm) | D*H(mm) | D*H(mm) | D*H(mm) | |
| 88-106 | 36*70 | 36*70 | 36*70 | 36*70 |
| 108-130 | 36*70 | 36*70 | 36*70 | 36*70 |
| 130-156 | 36*70 | 36*70 | 36*70 | 36*70 |
| 145-174 | 36*70 | 36*70 | 36*70 | 36*70 |
| 161-193 | 36*70 | 36*70 | 36*70 | 36*70 |
| 189-227 | 36*70 | 36*70 | 36*70 | 46*85 |
| 200-240 | 36*70 | 36*70 | 46*85 | 46*85 |
| 250-300 | 36*70 | 36*70 | 46*85 | 46*85 |
| 300-360 | 36*70 | 46*85 | 46*85 | 46*85 |
| 400-480 | 36*70 | 46*85 | 46*85 | 46*85 |
| 540-648 | 46*85 | 46*85 | 46*85 | 46*111 |
| 820-995 | 46*85 | 46*85 | 46*85 | 46*111 |
| 1000-1200 | 46*85 | 46*85 | 46*85 | 46*111 |