Siemens 3RS1040-1GW50

The Siemens 3RS1040-1GW50 is a temperature monitoring relay designed for precise control and protection in industrial applications. It supports various sensor types including PT100, PT1000, KTY83/84, and NTC, allowing flexible temperature measurement. This relay features two digitally adjustable threshold values, covering a wide temperature range from -50 °C to 500 °C. It operates on a supply voltage between 24 and 240 V AC or DC and includes two changeover contacts plus one normally open contact for versatile switching options. The compact device, with a width of 45 mm, connects via screw terminals for reliable installation. While this model has been phased out, BSP Automation continues to offer support and guidance, including recommendations for the suitable successor model.