| Ampere rating (A) | Amp code | Max Voltage rating (V) | Interrupting rating | Nominal cold resistance (Ohms) | Nominal melting i2t (A2sec) | |
| 0.375 | 0452.375 | 0454.375 | 125 | 50 amperes @ 125 VAC/VDC 300 amperes @ 32 VDC PSE: 100 amperes @ 100 VAC |
1.2000 | 0.101 |
| 0.500 | 0452.500 | 0454.500 | 0.7000 | 0.24 | ||
| 0.750 | 0452.750 | 0454.750 | 0.3600 | 0.904 | ||
| 1.000 | 0452001. | 0454001. | 0.2250 | 1.98 | ||
| 1.500 | 045201.5 | 045401.5 | 0.0930 | 3.65 | ||
| 2.000 | 0452002. | 0454002. | 0.0625 | 8.2 | ||
| 2.500 | 045202.5 | 045402.5 | 0.0450 | 15 | ||
| 3.000 | 0452003. | 0454003. | 0.0340 | 20.16 | ||
| 3.500 | 045203.5 | 045403.5 | 0.0224 | 26.53 | ||
| 4.000 | 0452004. | 0454004. | 0.0186 | 34.4 | ||
| 5.000 | 0452005. | 0454005. | 0.0136 | 53.72 | ||
| 7.000 | 0452007. | 0454007. | 50 amperes @ 72 VAC 50 amperes @ 60 VDC |
0.0105 | 123.83 | |
| 8.000 | 0452008. | 0454008. | 50 amperes @ 72 VAC 50 amperes @ 60 VDC |
0.0088 | 137.34 | |
| 12.000 | 0452012. | 0454012. | 0.0061 | 260.46 | ||
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