| Part No. | Rated Voltage | Rated Current (A) | Breaking Capacity | Typical Cold. Resistance (mOhms) | Typical Voltage Drop (mV) | Typical Pre-Arcing I2 t (A² Sec) | Aplha Marking |
| JFC1206-0250FS | 72V 63V 32V 24V | 0.25 | 50A@72V 50A@63V 50A@32V 300A@24V | 3608 | 1407 | 0.0004 | .25 |
| JFC1206-0375FS | 0.375 | 1882 | 718 | 0.0008 | E | ||
| JFC1206-0500FS | 0.50 | 1028 | 650 | 0.0019 | B | ||
| JFC1206-0750FS | 0.75 | 601 | 616 | 0.0057 | .75 | ||
| JFC1206-1100FS | 1.0 | 490 | 510 | 0.10 | H | ||
| JFC1206-1150FS | 1.5 | 240 | 367 | 0.15 | K | ||
| JFC1206-1200FS | 2.0 | 132 | 316 | 0.41 | N | ||
| JFC1206-1250FS | 2.5 | 77 | 240 | 0.65 | O | ||
| JFC1206-1300FS | 3.0 | 48 | 187 | 1.39 | P | ||
| JFC1206-1350FS | 3.5 | 40 | 180 | 1.68 | R | ||
| JFC1206-1400FS | 4.0 | 35 | 173 | 1.73 | S | ||
| JFC1206-1450FS | 32V 24V | 4.5 | 150A@32V 300A@24V | 30 | 164 | 2.62 | X |
| JFC1206-1500FS | 5.0 | 25 | 141 | 2.89 | T | ||
| JFC1206-1600FS | 6.0 | 16.5 | 142 | 11.0 | F | ||
| JFC1206-1700FS | 7.0 | 12 | 140 | 12.5 | 7 | ||
| JFC1206-1800FS | 8.0 | 8.5 | 110 | 14.0 | M | ||
| JFC1206-2100FS | 10 | 6.8 | 100 | 20.0 | U | ||
| JFC1206-2120FS | 12 | 5.0 | 85 | 11.5 | 12 | ||
| JFC1206-2150FS | 15 | 3.9 | 78 | 16.5 | 15 | ||
| JFC1206-2200FS | 20 | 1.8 | 60 | 47.14 | 20 | ||
| JFC1206-2250FS | 25 | 1.6 | 90 | 60 | L | ||
| JFC1206-2300FS | 30 | 1.3 | 90 | 100 | Z | ||
| JFC1206-2400FS | 24V 32V | 40 | 200A@32V 200A@24V | 0.85 | 95 | 160 | XL |
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