| 料号 | 额定电流(A) | 额定电压(V) | 分断能力 | 标称I2t |
| MF551A010PX | 10 | 690VAC/500VDC | 1000A@690VAC 1000A@630VAC 2000A@500VAC 1000A@500VDC 10KA @ 250VAC | 150 |
| MF551A015PX | 15 | 690VAC/500VDC | 1000A@690VAC 1000A@630VAC 2000A@500VAC 1000A@500VDC 10KA @ 250VAC | 400 |
| MF551A020PX | 20 | 690VAC/500VDC | 1000A@690VAC 1000A@630VAC 2000A@500VAC 1000A@500VDC 10KA @ 250VAC | 720 |
| MF551A025PX | 25 | 690VAC/500VDC | 1000A@690VAC 1000A@630VAC 2000A@500VAC 1000A@500VDC 10KA @ 250VAC | 1300 |
| MF551A030PX | 30 | 690VAC/500VDC | 1000A@690VAC 1000A@630VAC 2000A@500VAC 1000A@500VDC 10KA @ 250VAC | 1800 |
| MF551A040PX | 40 | 690VAC/500VDC | 1000A@690VAC 1000A@630VAC 2000A@500VAC 1000A@500VDC 10KA @ 250VAC | 1080 |
| MF551A050PX | 50 | 690VAC/500VDC | 1000A@690VAC 1000A@630VAC 2000A@500VAC 1000A@500VDC 10KA @ 250VAC | 2120 |
| MF551A063PX | 63 | 690VAC/500VDC | 1000A@690VAC 1000A@630VAC 2000A@500VAC 1000A@500VDC 10KA @ 250VAC | 4205 |