Sprecher Schuh KTA3-100-40A Thermal Overload Relay

Sprecher Schuh KTA3-100-40A Thermal Overload Relay is a protective device from Sprecher Schuh in the KTA3 family, designed to interrupt a circuit when an overload condition is detected. The model designation KTA3-100-40A identifies the exact relay within that lineup and communicates its intended function as a thermal overload protection component in electrical control systems. As a thermal overload relay, it serves to safeguard motors and other inductive loads by sensing abnormal current or heat buildup and triggering a controlled trip in the protected circuit. Typically deployed in motor-control panels and automation networks, this type of relay is paired with contactors and other protective devices to establish a robust, fail-safe protection scheme for industrial equipment. With its clearly defined model name, the KTA3-100-40A designation supports precise sourcing and replacement in systems that use Sprecher Schuh protection components. When integrating this relay, engineers consider the overall protection strategy, ensuring compatibility with existing control hardware and adhering to applicable electrical standards and panel design practices.