3UA 热过载继电器可与 3TF / 3TB 接触器插接或***安装，为 400 A 以下电动机提供可靠的保护。
主要功能：
• 过载和断相保护
• 脱扣等级 CLASS 10A
• 温度补偿功能
• 1 NO + 1 NC 辅助触点
• 手动和自动复位
• 开关位置指示
• 测试功能
| 型号 | 电流 | 价格 |
| 匹配接触器型号3TF40/41/30/31/3TD40/3TB40/41 | ||
| 3UA50400A | 0.1-0.16 | 146 |
| 3UA50400C | 0.16-0.25 | |
| 3UA50400E | 0.25-0.4 | |
| 3UA50400G | 0.4-0.63 | |
| 3UA50400J | 0.63-1 | |
| 3UA50400K | 0.8-1.25 | |
| 3UA50401A | 1-1.6 | |
| 3UA50401B | 1.25-2 | |
| 3UA50401C | 1.6-2.5 | |
| 3UA50401D | 2-3.2 | |
| 3UA50401E | 2.5-4 | |
| 3UA50401F | 3.2-5 | |
| 3UA50401G | 4-6.3 | |
| 3UA50401H | 5-8A | |
| 3UA50401J | 6.3-10 | |
| 3UA50401K | 8-12.5 | |
| 3UA50402S | 10-14.5 | |
| 匹配接触器型号3TF42/43/32/33/3TD42/3TB42/43 | ||
| 3UA52401A | 1-1.6 | |
| 3UA52401B | 1.25-2 | |
| 3UA52401C | 1.6-2.5 | |
| 3UA52401D | 2-3.2 | |
| 3UA52401E | 2.5-4 | |
| 3UA52401F | 3.2-5 | |
| 3UA52401G | 4-6.3 | |
| 3UA52401H | 5-8A | |
| 3UA52401J | 6.3-10 | |
| 3UA52401K | 8-12.5 | |
| 3UA52402A | 10-16A | 152 |
| 3UA52402B | 12.5-20 | |
| 3UA52402C | 16-25 | |
| 匹配接触器型号3TF/44/45/34/35/3TD44/45/3TE44 | ||
| 3UA55402A | 10-16A | |
| 3UA55402B | 12.5-20A | |
| 3UA55402C | 16-25A | |
| 3UA55402D | 20-32A | |
| 3UA55402Q | 25-36A | |
| 3UA55402R | 32-40A | |
| 3UA55408M | 36-45A | |
| 型号 | 电流 | 价格 |
| 匹配接触器型号3TF46/47/48/49/3TD46/47/48/3TE46/47/48 | ||
| 3UA58402B | 12.5-20 | 240.9 |
| 3UA58402C | 16-25 | |
| 3UA58402D | 20-32 | |
| 3UA58402E | 25-40 | |
| 3UA58402F | 32-50 | |
| 3UA58402T | 40-57 | 240.9 |
| 3UA58402P | 50-63 | 301.6 |
| 3UA58402V | 57-70 | 301.6 |
| 3UA58402U | 63-80 | 301.6 |
| 3UA58408W | 70-88 | 301.6 |
| 匹配接触器型号3TF50/3TE48/49/3TD50/3T*** | ||
| 3UA60402H | 55-80 | 409.2 |
| 3UA60402W | 63-90 | |
| 3UA60402X | 80-110 | |
| 3UA60403H | 90-120 | 455.1 |
| 3UA60403J | 110-135 | |
| 3TF51 | ||
| 3UA61402H | 55-80 | 425.2 |
| 3UA61402W | 63-90 | |
| 3UA61402X | 80-110 | |
| 3UA61403H | 90-120 | 473.4 |
| 3UA61403J | 110-135 | |
| 3UA61403K | 120-150 | |
| 匹配接触器型号3TF52/53/3TE52/3TB52 | ||
| 3UA62402H | 55-80 | 357.7 |
| 3UA62402W | 63-90 | |
| 3UA62402X | 80-110 | |
| 3UA62403H | 90-120 | 393.1 |
| 3UA62403J | 110-135 | |
| 3UA62403K | 120-150 | |
| 3UA62403L | 135-160 | 427.6 |
| 3UA62403M | 150-180 | |
| 3UA66402K | 80-125 | 1455.2 |
| 3UA66403B | 125-200 | |
| 3UA66403C | 160-250 | 1747.3 |
| 3UA66403D | 200-320 | |
| 3UA66403E | 250-400 | |