Twilight Switch with lamp fault alarm Model: TC 2302 is basically designed for automatic operation of aviation lamps on the communication towers at the unmanned stations such as BTS / backbone sites. This unit comprises Twilight Switch with built-in lamp fault monitoring circuit. It consists of two independent channels for connecting aviation lamps at two different stages on the towers i.e. 30 and 70 meter. It is suitable for the towers up to 70 Meters height. Only one or two lamps of specified type can be connected at the lower & top stages. With the help of short links SL1 & SL2 channel 1 & 2 can be either enabled or disabled as per the requirement.
System configuration
a] Twilight switch : TC 2302
b] Light sensor : PS 3432
c] No. of Channels : Two (Both Channels can be enabled or disabled by the shorting links SL1& SL2 provided on the main PCB)
Visual indications
a] Power on : Green indicator
b] Channel 1 lamp fail : Red indicator
c] Channel 2 lamp fail : Red indicator
Remote alarms
Remote alarms are separately provided through potential free relay contacts. Alarm relays remain normally open / normally close as per your requirement and offers short contact during alarm condition.
Electrical specifications
a] Operating supply : 230 V AC +/- 10 %, Single Phase, at 50 Hz
b] Power consumption : Min 1.5 W to Max 20.0 W (Depends on lamp wattage)
Mechanical specifications
a] Panel size : H X W X D 220 X 155 X 80 MM
b] Panel weight : 1.5 Kg. (excluding sensors)
c] Panel color : Off white
d] Panel mounting : Indoor Vertical wall mounting
e] Contact Rating : 5 Amp per channel
Lamps specifications(Recommended)
a] Channel 1 : LED Array Lamp
b] Channel 2 : LED Array Lamp
c] Activation Delay : 15 to 30 Seconds for Day & Night