Control unit type S17A is designed for installation on terminal box K17. It includes a thermostat and safety temperature limiter, ensuring precise temperature control and protection for a wide range of heating applications. Reliable and compact, the S17A offers efficient regulation and easy integration with Backer immersion heaters.

• For terminal box K17
• Built-in thermostat and safety temperature limiter
• Compact design for easy installation
• Reliable temperature control and protection