The Square D 259 Overload Relay Heater B6.9 is a high-quality industrial automation component designed for use in various industrial settings. Manufactured by Square D, a trusted brand in the industry, this relay heater is specifically designed to provide reliable and efficient heating control for automation equipment. With its durable construction and precision engineering, the Square D 259 Overload Relay Heater B6.9 ensures optimal performance and protection for your industrial automation systems.