Siemens LGB22.330A27 Sequence Controller
Siemens LGB22.330A27 Sequence Controller
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Product Overview
Product Overview
The Siemens LGB22.330A27 is a compact burner control unit designed for the startup and supervision of 2-stage gas burners with fan control. It is specifically engineered to manage air damper actuators, ensuring the correct air-to-fuel ratio during stage transitions. It features a safety time ($t_{TSA}$) of 3 seconds and a pre-purge time ($t_1$) of 30 seconds for intermittent operation.
Technical Specifications
Technical Specifications
Feature: Technical Data
Product Model: Siemens LGB22.330A27
Operating Voltage: AC 220 V – 240 V
Frequency: 50...60 Hz
Pre-purge Time ($t_1$): 30 Seconds
Safety Time ($t_{TSA}$): 3 Seconds
Pre-ignition Time ($t_3$): 3 Seconds
Degree of Protection: IP40
Application: 2-Stage Gas Burners with Actuator Control
Key Features
Key Features
Actuator Integration: Specifically controls air damper actuators to manage transitions between low-fire and high-fire stages.
Air Pressure Monitoring: Ensures constant supervision of air pressure during pre-purging and burner operation.
Flame Supervision: Compatible with Ionization Probes or QRA... detectors for precise flame signal monitoring.
Undervoltage Safety: Automatically triggers a safety shutdown if supply voltage drops below the required operating threshold.
Intermittent Operation: Optimized for systems requiring at least one controlled shutdown every 24 hours.
More In Category
Shop the Siemens LGB22.330A27 Sequence Controller for 2-stage gas burners with actuator control. Reliable supplier of genuine Siemens parts with ready stock and fast Pan-India shipping. Contact us for competitive pricing today.
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