Ashcroft T420TS040 Temperature Switch

Ashcroft T420TS040 Temperature Switch is a rugged industrial sensing device that triggers an electrical change when a monitored temperature crosses its preset threshold. Designed for use in OEM equipment, process lines, and safety systems, this switch integrates a temperature-sensing element with a precise switching mechanism to provide a reliable on/off output. As part of Ashcroft's temperature-switch family, the T420TS040 supports multiple mounting and connection options and is available in configurations that accommodate a range of setpoints, deadbands, and electrical ratings depending on the exact option codes selected. The model's enclosure and materials are chosen to withstand demanding industrial environments, supporting corrosion resistance and mechanical durability typical of Ashcroft products. Common applications include machine protection, process temperature control, and safety interlocks in manufacturing, chemical processing, energy equipment, and HVAC systems. The exact specifications—setpoint range, contact configuration, enclosure rating, and electrical ratings—are defined by Ashcroft's ordering codes and the official datasheet, so consulting the product listing for T420TS040 will ensure you match the model to your performance and installation requirements.