Siemens LGB22.330A17 burner Control 110V C21617M

Siemens LGB22.330A17 burner Control 110V C21617M

The Siemens LGB22.330A17 Burner Control Unit is a high-reliability automatic burner control box designed for 1- or 2-stage oil and gas burners operating on 110V AC. This model (C21617M) provides safe, fully automated control of ignition, flame monitoring, and shutdown functions. Built to meet Siemens’ strict quality and safety standards, the LGB22.330A17 is ideal for commercial and industrial heating systems requiring dependable performance and precise burner management.

The LGB22.330A17 replaces older Siemens models in the LGB22 range, offering enhanced electronic stability, improved lockout protection, and easy plug-in installation via a standard Siemens base.

Key Features

• Genuine Siemens LGB22.330A17 burner control box

• Voltage: 110V AC, 50/60 Hz

• Controls start-up, ignition, flame supervision, and shutdown

• Compatible with photoresistive (QRB) or UV (QRA) flame sensors

• Two-stage burner operation capability

• Automatic lockout on flame failure or system fault

• Built-in status indicator and diagnostics

• Designed for safe and continuous burner control

• Robust housing and plug-in base for quick replacement or servicing

• Fully compliant with EN 230 and international safety standards

Compatibility

• Suitable for oil and gas burners with 110V control systems

• Commonly used on industrial, commercial, and process heating applications

• Works with Siemens bases, UV detectors, and flame sensors

• Directly replaces previous LGB22 series control units

When to Replace

• If existing control box shows frequent lockouts or ignition faults

• During burner system upgrade or service

• When replacing obsolete LGB22 or LGB21 units

Technical Specifications

• Manufacturer: Siemens

• Model: LGB22.330A17 (C21617M)

• Voltage: 110V AC

• Frequency: 50/60 Hz

• Control Type: Automatic burner control box

• Stages: Single or two-stage

• Flame Detection: QRB (photocell) / QRA (UV sensor)

• Mounting: Plug-in base (Siemens standard)

• Approvals: EN 230, CE certified