| SR221K20D | Standard (D Series) | 20mm | 140Vac | 220Vdc | +/-10% | 6500A | | | | | 20mm, 140Vac, 220Vdc, +/-10% |
| SR241K20D | Standard (D Series) | 20mm | 150Vac | 240Vdc | +/-10% | 6500A | | | | | 20mm, 150Vac, 240Vdc, +/-10% |
| SR271K20D | Standard (D Series) | 20mm | 180Vac | 283Vdc | +/-10% | 6500A | | | | | 20mm, 180Vac, 283Vdc, +/-10% |
| SR301K20D | Standard (D Series) | 20mm | 195Vac | 300Vdc | +/-10% | 6500A | | | | | 20mm, 195Vac, 300Vdc, +/-10% |
| SR331K20D | Standard (D Series) | 20mm | 210Vac | 330Vdc | +/-10% | 6500A | | | | | 20mm, 210Vac, 330Vdc, +/-10% |
| SR361K20D | Standard (D Series) | 20mm | 230Vac | 360Vdc | +/-10% | 6500A | | | | | 20mm, 230Vac, 360Vdc, +/-10% |
| SR391K20D | Standard (D Series) | 20mm | 250Vac | 390Vdc | +/-10% | 6500A | | | | | 20mm, 250Vac, 390Vdc, +/-10% |
| SR431K20D | Standard (D Series) | 20mm | 275Vac | 430Vdc | +/-10% | 6500A | | | | | 20mm, 275Vac, 430Vdc, +/-10% |
| SR471K20D | Standard (D Series) | 20mm | 300Vac | 470Vdc | +/-10% | 6500A | | | | | 20mm, 300Vac, 470Vdc, +/-10% |
| SR511K20D | Standard (D Series) | 20mm | 320Vac | 510Vdc | +/-10% | 6500A | | | | | 20mm, 320Vac, 510Vdc, +/-10% |
| SR561K20D | Standard (D Series) | 20mm | 360Vac | 580Vdc | +/-10% | 6500A | | | | | 20mm, 360Vac, 580Vdc, +/-10% |