Siemens LME21.430C2BT control box

Siemens LME21.430C2BT combustion control unit is a modern electronic controller for automatic control and safe operation of gas burners. The device is responsible for start-up, flame monitoring, control of operating cycles and emergency shutdown of equipment in case of faults. Due to high reliability and precision, Siemens automation is widely used in boiler rooms, heat generators and industrial and commercial heating systems. The LME21 series controller is designed for forced draught gas burners with intermittent operation and meets modern safety and energy efficiency requirements. Advantages of Siemens LME21.430C2BT: • High safety level: The unit continuously monitors flame presence and correct burner operation. In case of ignition failure, flame loss or violation of operating parameters, the device instantly stops gas supply and switches the system to safe mode. • Precise combustion control: The controller ensures correct operating sequence: pre-purge, ignition, flame monitoring and transition to operating mode. This helps improve combustion stability and equipment efficiency. • Compatibility with modern burners: Siemens LME21.430C2BT is suitable for single-stage and two-stage gas burners from various manufacturers, making it a universal solution for new systems and service replacement. • Compact and reliable design: The device has a compact housing and convenient connection, facilitating installation and maintenance in automated control systems. ⚙️ Functional features: automatic flame monitoring; burner start and stop control; purge and ignition time control; emergency shutdown in case of faults; support for io