Astronomical Programmable street light control switch have in built real time clock with battery backup sufficient for 5yrs. with Over Voltage, Under voltage, Over Load and Short Circuit protections. No need of external contactor for up to rated Load. It has the facility to select the switching of the streetlight when the ambient light level falls below 40 Lux and switching OFF the light when the ambient light level goes above 80 Lux. Light detector is used to sense the light level, immune to moon light and streetlights. it also has the facilities to switch ON/OFF the streetlight loads manually by-passing the programmed circuit. The system has in-built Intermediate OFF/ON timing facility. with this system each phase can be provided different intermediate time to control the load, independently...
Other Specifications Download Specification | |
---|---|
Switch Board Boxes For Instalation Of Modular Type Of Electrical Accessories | With |
Materail Of Switch Board Boxes | Galvanised Iron Sheet |
Thickness Of Materail | 1.2 mm |
Type Of Installtion | Indoor |
Provision Of Earthing | Yes |
Holes With Knook Out For The Entry Of Cable On All Sides | Yes |
Switch Board Box,frame Plate And Cover Plate Shall Be Of Configuration A X B X C Where A-Number Of Rows, B-Number Of Opening, C-size Of Opening I.e. 1M Or 2M (1M Is The Normal Width Of The Switch ) & (2M Is The Normal Width Of 3 Pin Socket As Seen From The Front) | Yes |
No. Of Modules Which Can Be Accomodated And Configuration Defined As Above ( Ax B X C) | One module (1 x 1 x 1M) |
Minimum Size Of The Box | 75×75×50 mmxmmxmm |
Switch Board Boxes Shall Have Proper Threading For Fixing The Frame Plate And Shall Be Supported With Fixing Screws Made Of NiCr Plated Brass Or Stainless Steel | Yes |
Matching Frame Plate | With |
Materail Of The Cover Plate | Polycarbonate Electrical Grade |
Colour: Matching With The Accessories | White |
Mirror Finish Surface Of The Cover Plate | Yes |
Cover Plate Shall Be Clip On Type | Yes |
Cover Plate Shall Be Snapfit Which Shall Withstand Atleast 5 Operations Of Fixing & Removing Causing No Damage To The Component Nor They Shall Fall Loose | Yes |
Interchangeability Of The Cover Plate | Yes |
All The Switch Board Boxes, Frame Plate And Cover Plate Shall Be Indelibly Marked With Manufacturers Name / Trade Mark | Yes |
Colour Of Frame Plate | 1 |
Matching Cover Plate | With |
Materail Of The Cover Plate | Polycarbonate Electrical Grade |