LOA24.171B27

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Overview of Siemens LOA24-171B27 Oil Burner Control

The Siemens LOA24-171B27 is a 2-stage oil burner control designed for supervision, startup, and control of forced draft oil burners. It supports oil throughputs of up to 30 kg/h and complies with EN 267 standards. Operating at AC 220-240 V with a power consumption of approximately 3 VA, this controller ensures safe and reliable burner operation with timing sequences optimized for efficient combustion.

Key Features

  • 2-stage control for precise management of forced draft oil burners.
  • Timing parameters: t1 = 13 seconds, TSA = 10 seconds, t3n = 15-20 seconds for optimized burner operation.
  • Photoresistive flame detectors suitable for yellow and blue-burning flames (models QRB and QRC).
  • Undervoltage detection enhances safety by disabling burner operation under low voltage.
  • Bridging contact for oil preheater for enhanced startup performance.
  • IP40 degree of protection for durability in operational environments.
  • Compact design with approximate weight of 180 g for easy installation and mounting.
  • Suitable for use in single or dual-stage oil burners with intermittent operation.
  • Comprehensive compliance with European safety and performance standards.

Technical Specs

Specification Details
Model LOA24-171B27
Application 2-stage oil burner control
Oil Throughput Up to 30 kg/h
Operating Voltage AC 220-240 V ±15% / +10%
Power Consumption Approx. 3 VA
Protection Degree IP40
Weight Approx. 180 g
Timing Specifications t1=13s, TSA=10s, t3n=15-20s
Flame Detection Photoresistive detectors (QRB, QRC)
Safety Features Undervoltage detection, bridging contact for oil preheater
Standards EN 267, IEC requirements

Applications / Use Case

Designed for reliable control and supervision of single or two-stage forced draft oil burners used in residential, commercial, and light industrial heating systems. Ensures safe startup and efficient burner operation with advanced flame monitoring.

Siemens delivers quality products compliant with safety regulations, backed by engineering support and detailed documentation.

LOA24.171B27

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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