Specifications:

Description	Parameter
Working Voltage	AC110V~AC240V DC48
branch	2~20
Flash rate	30~60 times/min（adjustable）
Photocell sensitivity	70~100Lux(on/off)
Alarm output	Dry contact
Control mode	Steady burning/flashing
Temperature	-30˚C ~ +70˚C
IP grade	IP65
Humidity	10% ~ 95% (no condensing）
Weight	10±0.5 Kg
Dimensions	400*300*150mm
Material	Enclosure: Cold rolled steel

CB20 obstruction light controller can give alarm when light fault, control light flashing frequency and on / off at dusk / dawn, also can be used in street light. 
CB20 obsrtruction light contrller can add battery.Compare with CB04O , CB20 each branch has a greater power output .
this product uses the current detection,Can display the current and voltage

Accessories for Obstruction Lighting System

Aviation obstruction marking sphere is designed to provide daytime visual warning of electricity transmission line for aircraft pilots, especially cross river high voltage transmission lines.

A marker should be of one colour. When installed, white and red, or white and orange markers should be displayed alternately. The colour selected should contrast with the background against which it will be seen.

Functions & Features
• Control all the light flashing at the same time. 
• Individual alarm signal and LED indicator shows corresponding light working state. 
• Auto/manual mode control switch.
• Combined with YUANSHENG PHC01photocell, which can turn on/off the system from dusk to dawn.
• Alarm relay for each beacon.
• Not easy to break during transportation & installation
• Super corrosion resistant character, stainless steel bolts and nuts.
• Aluminum alloy cable clamp guarantees good corrosion resistance.