Almanac based three relay output astronomical timer (RL-3):
The Astronomic Timer Switch offered by us are widely acknowledged in the market for having switch off and on capability of street lamps, garden lights, control lights and neon signs. This product range is available with the facility of programmed non volatile RAM with fixed timing to prevent any interval programming done by the users and is appreciated for its low power consumption. Moreover, these products are widely praised for saving manpower, easy operation & installation, low maintenance, low power consumption and automatic switch off technology.
Micro-controller based total circuitry
Four digit LED display
Constant time display
Real time clock with 10 yrs battery back-up
Dust-proof membrance keypad
Up to three relay outputs rated 230V/10A
Built-in almanac program
Easy installation, user-friendly & convenient
Manual override Switches
Neon Sign Boards
Fountains & Gardens
Rated Supply voltage :- Operating voltage per phase 110v to 240v
Rated Frequency :- 50Hz + / - 5%
Current rating :- Max. resistive load of 1.2 kw at 230 VAC
Battery Back - up :- In - built - chargeable battery with over 10 year life
Output channels :- The timer is available with three channel
Channel A: To switch on/ off street lights as per the Almanac bases yearly start.
Channel B: To switch on/off in conjunction with channel A: as also to switch off/on at. some preset times in between as required.
Channel C: To switch on/off in conjunction with channel A: as also to switch off/on at some preset times in between as required.
Offset time setting :- +/- 60 minutes in 1- minute steps.
Output control :-
1 nos. rated for 7A at 250V AC.
2 nos. rated for 7A at 250V AC.
3 nos. rated for 7A at 250V AC.
Time clock :- Inbuilt Quartz crystal controlled Real time Clock with non- volatile RAM random access memory.
Time range :-
ON Time : within ALMANAC Time.
Duration : As per Almanac.(Astronomical)
Switching Accuracy :- +/- 1sec. Max
Recovery Time :- 100m sec. min.
Ambient temp :- 55 C Max .
Humidity :- Max 95%
Password (optional) :- The timer can be provided with password Protection to avoid any mishandling.
Electrical connections :- Screw type terminals.
External controls :-
An 8 - segment LED display panel with membrane key pad
As follows :
An increment key to increase the selected parameters.
A decrement key to decrease the selected parameter.
A set key
Parameter acceptance key.
Front panel :-
a) Manual override facility without interruption of power supply to the timer.
An 8- segment LED for continuous display of the current real time of the RTC in Hrs : min on 24 hr.
Additional protections :-
EPROM based programming (up to 5 years)
Dust- proof rugged & strong cabinet to prevent dust penetration.
RFI/EMI protection - provided.
Isolation between input & output to avoid erratic switching.
Special body design to prevent external tempering.
Dimensions Maximum :- Height x length x width = 170mm x 100mm x 100mm.