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Siemens LFL1.333 Burner Control Specification Sheet
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Siemens LFL1.333 Burner Control Specification Sheet

MOQ: 1 PCS
Warranty: 1 year
Delivery time: 3-5 days
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Siemens LFL1.333 is a 02-series burner control for medium-to-high capacity AC burners, supporting UV/ionization flame supervision and 3P operation.

Description

Data Category Specific Parameters
Product Model LFL1.333
Brand Siemens
Product Type Burner Control (for gas/oil/dual-fuel forced draft burners)
Series 02 Series
Article Number BPZ:LFL1.333
Application Medium-to-high capacity burners; multistage/modulating burners (intermittent operation); stationary air heaters
Flame Supervision Supports UV detectors (QRA2/QRA4/QRA10) and ionization probe
Mains Voltage AC 230 V (-15%/+10%); AC 100-110 V (-15%/+10%) (order with “-110 V” suffix)
Mains Frequency 50-60 Hz (±6%)
Power Consumption Approx. 3.5 VA
Built-in Fuse T6.3H250V (DIN EN 60127)
External Primary Fuse (Si) Max. 10 A (slow)
Weight Approx. 1000 g
Dimensions (L×W×H) 123 mm × 103 mm × 37 mm (based on LFL1 series & AGM plug-in base)
Protection Rating IP40 (when built-in, excluding terminal base)
Safety Class Class II
Operating Temperature Range -20…+60 °C
Storage/Transport Temperature -20…+60 °C
Relative Humidity <95% RH (non-condensing)
Max. Installation Altitude 2000 m above sea level
Key Timing Parameters (50 Hz) t1 (prepurge): 31 s; TSA (ignition safety time): 3 s; t3 (preignition): 6 s; t6 (postpurge): 18 s; t8 (startup sequence): 69 s
Permissible Detector Cable Length UV detector (normal cable): max. 100 m; UV detector (shielded): max. 200 m; Ionization probe (normal): max. 80 m; Ionization probe (shielded): max. 140 m
Control Terminal Load Max. 4 A continuous (20 A peaks/20 ms) for terminals 3,6,7,9-11,15-20
Required Switching Capacity 1 A AC 250 V (between terminals 4&5, 4&12, 4&14)
Certifications CE (complies with 2014/35/EC, 2009/142/EC, EU 2016/426, 2014/30/EC); EAC; ISO 9001:2015; ISO 14001:2015; OHSAS 18001:2007; China RoHS
Mechanical Design Plug-in design; impact-proof/heat-resistant black plastic housing; lockout reset button with fault indicator
Climatic Classification Operation: DIN EN 60721-3-3 Class 3K3; Storage: Class 1K3; Transport: Class 2K3
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