Ronfell Aviation

Airfield Lighting & Equipment | Tel: 01257 471060| Email:

CTR04B Control Box

CTR04B controller is a reliable and robust control box for OL10 & OL32 series double obstruction light.


  • Control “service+standby” double obstruction light, transfer to standby lamp in case of service lamp failure
  • LED indicator for light operation status and failure alarm
  • Alarm signal output, can connect to other external alarm device
  • A manual photocell switch, which can switch to manual control mode during installation
  • 8AH backup battery will support Reddot OL32 double light up to 3 hours working
  • 85-265VAC universal voltage input, 48VDC output operation voltage for double light
Description Parameter
Input voltage 85-265VAC, 50/60Hz
Output voltage 48VDC
Surge protector 65KA/2.5KV
Backup time with ,REDDOT double light 3 hours
Battery type VRLA
Remote Alarm Dry contact, NC
Photoelectrical switch 70/100 Lux default, 0-1000lux adjustable
Protection degree IP65, outdoor
Ambient temperature -40-+60C
Humidity Less than 95%, non-condensing
Dimension 500mm*400mm*200mm
Warranty 1 year


If you require further details or would like to place an order. Please contact our sales team directly
Tel: 01257 471177
Tel: 01257 471060


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