Siemens 3UN2131-1AB4 PTC Thermistor Tripping Unit
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西门子 3UN2131-1AB4 型 A 类 PTC 热敏电阻跳闸单元，工作电压为 24 V DC，电流为 2 A，具有 IP20 等级外壳，适用于工业控制中的热保护。
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SIEMENS 3UN2131-1AB4 PTC THERMISTOR TRIPPING UNIT
Engineered for thermal overload protection, the Siemens 3UN2131-1AB4 is a PTC thermistor tripping unit designed to monitor and protect motors and equipment against overheating. This Type A tripping device ensures responsive protection with precision control in demanding industrial settings.
Manufacturer: SIEMENS
Type: PTC Thermistor Tripping Unit
Model: 3UN2131-1AB4
| Control Supply Voltage | 24 V DC |
| Current | 2 A |
| Device Type | Type A |
| Protection Class | IP20 |
