| 型號及外型 | |
| | 型號 | 熱元件號 | 整定電流范圍A | 型號 | 熱元件號 | 整定電流范圍A | | JR20
-10 | 1R | 0.1-0.13-0.15 | JR20-10 | 13R | 6-7.2-8.4 | | 2R | 0.15-0.19-0.23 | 14R | 7-8.6-10 | | 3R | 0.23-0.29-0.35 | 15R | 8.6-10-11.6 | | 4R | 0.35-0.44-0.53 | JR20-16 | 1s | 3.6-4.5-5.4 | | 5R | 0.53-0.67-0.8 | 2s | 5.4-6.7-8 | | 6R | 0.8-1-1.2 | 3s | 8-10-12 | | 7R | 1.2-1.5-1.8 | 4s | 10-12-14 | | 8R | 1.8-2.2-2.6 | 5s | 12-14-16 | | 9R | 2.6-3.2-3.8 | 5s | 14-16-18 | | 10R | 3.2-4-4.8 | JR20-25 | 1T | 7.8-9.7-11.6 | | 2T | 11.6-14.3-17 | | 11R | 4-5-6 | 3T | 17-21-25 | | 12R | 5-6-7 | 4T | 21-25-29 | |
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| | 型號 | 熱元件號 | 整定電流范圍A | | JR20-63 | 1U | 16-20-24 | | 2U | 24-30-36 | | 3U | 32-40-47 | | 4U | 40-47-55 | | 5U | 47-55-62 | | 6U | 55-63-71 | |
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| | 型號 | 熱元件號 | 整定電流范圍A | | JR20-160 | 1W | 33-40-47 | | 2W | 47-55-63 | | 3W | 63-74-84 | | 4W | 74-86-98 | | 5W | 85-100-115 | | 6W | 100-115-130 | | 7W | 115-132-150 | | 8W | 130-150-170 | | 9W | 144-160-176 | |
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| | 型號 | 熱元件號 | 整定電流范圍A | | JR20-250 | 1X | 130-160-195 | | 2X | 167-200-250 | | JR20-400 | 1Y | 200-250-300 | | 2Y | 267-335-400 | | JR20-630 | 1Z | 320-400-480 | | 2Z | 420-525-630 | |
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