Description
General
Oil burner controls
With or without air pressure supervision for checked air damper control
Flame supervision with
- photoresistive detector QRB1..., or
- blue-flame detector QRC1..., or
- selenium photocell detector RAR...
Uses
- For the control and supervision of oil atomization burners
- For burners of medium to high capacity
- For intermittent operation (at least one controlled shutdown every 24 hours)
- Can be universally used with multistage or modulating burners
- Suited for use with stationary air heaters.
Specifications
- Make: Siemens
- Model: LAL 1.25
- Mains voltage: AC 230 V –15 / +10 % | AC 100 V –15 %...AC 110 V +10 %
- Mains frequency: 50...60 Hz ±6 %
- Unit fuse: (built-in) T6,3H250V to DIN EN 60 127
- Primary fuse: (external) max. 10 A (slow)
- Flame detectors: QRB1..., QRC1..., RAR...
- Power consumption approx.: AC 3.5 VA
- Degree of protection: IP 40, when fitted, with the exception of the connection area (terminal base)
- Safety class: II
- Climatic conditions: class 3K5
- Mechanical conditions: class 3M2
- Temperature range: -20...+60 °C
- Humidity: < 95 % r.h.
Contacts and Delivery