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| Part Number | Hold Current | Trip Current | Rated Voltage | Max Current | Typical Power | Maximum Time To Trip | Resistance | |||
| l hold(A) | l trip(A) | V max(Vdc) | l max(A) | P dtyp(W) | Current(A) | Time | Rmin(Ω） | R1max(Ω) | Rmax(Ω) | |
| JK250-020 | 0.02 | 0.04 | 250 | 1 | 0.6 | 0.1 | 8 | 65 | 225 | 165 |
| JK250-030 | 0.03 | 0.06 | 250 | 1 | 0.6 | 0.15 | 5 | 35 | 120 | 90 |
| JK250-040 | 0.04 | 0.08 | 250 | 1 | 0.7 | 0.2 | 6 | 27 | 90 | 65 |
| JK250-050 | 0.05 | 0.1 | 250 | 1 | 0.7 | 0.25 | 5 | 22 | 75 | 55 |
| JK250-060 | 0.06 | 0.12 | 250 | 1.2 | 0.8 | 0.3 | 5 | 18 | 60 | 45 |
| JK250-080 | 0.08 | 0.16 | 250 | 1.2 | 0.8 | 0.4 | 5 | 11 | 33 | 22 |
| JK250-120S | 0.12 | 0.24 | 250 | 1.2 | 1 | 0.6 | 5 | 6 | 16 | 12 |
| JK250-160 | 0.16 | 0.32 | 250 | 2 | 1.4 | 0.8 | 15 | 3.5 | 10.4 | 7.8 |
| JK250-200C | 0.2 | 0.4 | 250 | 3 | 1.5 | 1 | 9 | 3 | 8 | 6.5 |
| JK250-250 | 0.25 | 0.5 | 250 | 3.5 | 1.5 | 1.25 | 7 | 2.2 | 6 | 5 |
| JK250-300 | 0.3 | 0.6 | 250 | 4.5 | 1.7 | 1.5 | 8 | 1.8 | 4.8 | 4 |
| JK250-330 | 0.33 | 0.66 | 250 | 4.5 | 1.7 | 1.65 | 8 | 1.6 | 4.3 | 3.6 |
| JK250-400 | 0.4 | 0.8 | 250 | 5.5 | 2 | 2 | 9 | 1.35 | 3.6 | 3 |
| JK250-500 | 0.5 | 1 | 250 | 6.5 | 2.5 | 2.5 | 10 | 0.9 | 2.4 | 2 |
| JK250-550 | 0.55 | 1.1 | 250 | 7 | 2.5 | 2.75 | 9 | 0.85 | 2.2 | 1.8 |
| JK250-600 | 0.6 | 1.2 | 250 | 6 | 2.5 | 3 | 8 | 0.8 | 2 | 1.65 |
| JK250-650 | 0.65 | 1.3 | 250 | 6.5 | 2.6 | 3.25 | 12 | 0.65 | 1.6 | 1.3 |
| JK250-750 | 0.75 | 1.5 | 250 | 7.5 | 2.6 | 3.75 | 18 | 0.55 | 1.3 | 1.1 |
| JK250-800 | 0.8 | 1.6 | 250 | 8 | 2.7 | 4 | 18 | 0.5 | 1.2 | 1 |
| JK250-900 | 0.9 | 1.8 | 250 | 9 | 2.8 | 4.5 | 18 | 0.45 | 1.1 | 0.9 |
| JK250-1000C | 1 | 2 | 250 | 10 | 2.9 | 5 | 21 | 0.37 | 0.9 | 0.75 |
| JK250-1100 | 1.1 | 2.2 | 250 | 10 | 3.1 | 5.5 | 21 | 0.33 | 0.8 | 0.66 |
| JK250-1250C | 1.25 | 2.5 | 250 | 10 | 3.3 | 6.25 | 23 | 0.27 | 0.66 | 0.55 |
| JK250-1350 | 1.35 | 2.7 | 250 | 10 | 3.5 | 6.75 | 23 | 0.25 | 0.6 | 0.5 |
| JK250-1600 | 1.6 | 3.2 | 250 | 10 | 3.9 | 8 | 23 | 0.2 | 0.48 | 0.4 |
| JK250-1850 | 1.85 | 3.7 | 250 | 10 | 4.3 | 9.25 | 23 | 0.165 | 0.4 | 0.33 |
| JK250-2000 | 2 | 4 | 250 | 10 | 4.5 | 10 | 28 | 0.135 | 0.33 | 0.27 |
| JK250-080 | 0.08 | 0.16 | 250 | 3 | 0.8 | 0.35 | 4 | 11 | 33 | 22 |
| JK250-090 | 0.09 | 0.18 | 250 | 3 | 0.8 | 0.35 | 5 | 9 | 27 | 18 |
| JK250-110 | 0.11 | 0.22 | 250 | 3 | 1 | 1 | 0.75 | 6 | 16 | 12 |
| JK250-120 | 0.12 | 0.24 | 250 | 3 | 1 | 1 | 1.5 | 4 | 16 | 8 |
| JK250-120T | 0.12 | 0.24 | 250 | 3 | 1 | 1 | 0.75 | 6 | 16 | 12 |
| JK250-145 | 0.145 | 0.29 | 250 | 3 | 1 | 1 | 2.5 | 3 | 14 | 6 |
| JK250-145T | 0.145 | 0.29 | 250 | 3 | 1 | 1 | 1.5 | 4.5 | 14 | 9 |
| JK250-180C | 0.18 | 0.65 | 250 | 10 | 1.5 | 3 | 0.5 | 1.6 | 4 | 3.2 |
| JK250-180S | 0.18 | 0.65 | 250 | 10 | 1.5 | 3 | 0.5 | 1.6 | 4 | 3.2 |
