| 图号 | 1 | 1 | 2 | 2 | 3 | 4 | ||
| 型号说明 | X-3C | XP-40C | X-4.5 | XP-70 | XWP2-70 | SL-15/40 | ||
| 主要尺寸(mm) | H | 146 | 140 | 146 | 146 | 146 | 320 | |
| D | 190 | 190 | 254 | 255 | 255 | 120 | ||
| 爬电距离(mm) | 200 | 200 | 270 | 280 | 400 | 300 | ||
| 工频电压(KV) | 干闪 | 60 | 60 | 75 | 75 | 80 | 75 | |
| 湿闪 | 30 | 30 | 45 | 45 | 45 | 45 | ||
| 击穿 | 90 | 90 | 110 | 110 | 120 | / | ||
| 机电破坏负荷(KN) | 40 | 40 | 60 | 70 | 70 | 40 | ||
| 一小时机电负荷(KN) | 30 | 30 | 45 | 52.5 | 52.5 | / | ||
| 单重(kg) | 3.5 | 2.6 | 5 | 5 | 6 | 4.1 | ||
