Siemens LGB21.330A27 Sequence Controller
Siemens LGB21.330A27 Sequence Controller
Embedded Files
Product Overview
Product Overview
The Siemens LGB21.330A27 is a compact burner control unit designed for the startup and supervision of 1-stage or 2-stage gas or gas/oil burners. It is specifically used for burners with fan control in intermittent operation. It ensures safe operation by monitoring air pressure and flame signals, featuring a safety time ($t_{TSA}$) of 3 seconds and a pre-purge time ($t_1$) of 30 seconds.
Technical Specifications
Technical Specifications
Feature: Technical Data
Product Model: Siemens LGB21.330A27
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: 1 or 2-Stage Gas Burners (Small to Medium Capacity)
Key Features
Key Features
Compact Design: Engineered for small to medium burners with a focus on space-saving installation and reliability.
Air Pressure Monitoring: Integrated supervision of air pressure during pre-purging and operation to ensure safe combustion.
Flame Supervision: Compatible with Ionization Probes or QRA... detectors for high-sensitivity flame monitoring.
Undervoltage Safety: Automatically triggers a controlled shutdown if the supply voltage falls below the safe operating limit.
Intermittent Operation: Designed for burners that undergo at least one controlled shutdown every 24 hours.
More In Category
Shop the Siemens LGB21.330A27 Sequence Controller for gas burners. We are a reliable supplier of genuine Siemens LGB series parts with ready stock and fast Pan-India shipping. Contact us for competitive pricing today.
Page updated
Google Sites
Report abuse