Siemens LME21.330C2 230v Burner Control Box

Siemens SKU: PHP2426

Siemens LME21.330C2 230v Burner Control Box

Siemens SKU: PHP2426
Prix régulier £63.00

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Siemens LME21.330C2 Burner Control Box 230V

Nuway Part Number: C21388G

Siemens Part Number: BPZ:LME21.330C2


LME21.330C2 B27 burner controls are used for the startup and supervision of 1- or 2-stage gas or gas/oil burners in intermittent operation (of small to medium capacity operation, with or without a fan in intermittent.)

The flame is supervised by an ionisation probe or flame detector QRA… with the ancillary unit, AGQ3…A27 for gas/oil forced draft burners or blue burning flames with blue-flame sensors QRC...

Siemens LME21.330C2 Burner Control Box Applications

Typical application: This LME 21.330 is used to supervise 2 stage forced draft burners in intermittent operation. This control box has no damper control.

For gas burners with or without fan according to EN 298: 2003, for gas forced draft burners according to EN 676, and for oil burners according to EN 230: 2005-10. The LME21.330 burner control box has a designed lifetime of 250,000 burner startup cycles which, under normal operating conditions in heating mode, correspond to approx - ten years of usage. Air pressure supervision with a functional check of the air pressure switch during startup and operation. This control box also features a multicolour indication of fault and operational status.


  • Prepurge Time: 30s
  • Safety Time: 3s
  • The LME's housing is made up of heat resistant and flame retardant plastic.
  • Supply Voltage: 230VAC
  • Undervoltage Detection
  • IP Rating: IP40
  • Operation Temperature: -20 - +60 °C
  • Mounting Position: Optional
  • Weight: Approx. 160g

Siemens LME21.330 Dimensions

Siemens LME Dimensions

In terms of dimensions, the LME21.330C2 B27 burner control boxes are identical to the LGB, and LMG control boxes.

Control Box Height Width Depth
LME21.230C2 230V 54mm 91mm 62.5mm
LME21.330C2 230V 54mm 91mm 62.5mm
LME21.350C2 230V 54mm 91mm 62.5mm

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