AUTOMATIC VOLTAGE STABLIZER, TIMER: TIMER: S/E of Microprocessor Based Street Light Controller with digital time switch daily programmed with stand by lithium battery with back up of six years with minimum time between 2 switching operations is 1 minute, 1 nos. 3 pole power contactors 40amp. with coil voltage 220-230V AC with 1 no. auxiliary contact NO, 1 no. MCB double pole 40amp. (C-curve, 10kA characteristic) and power wiring with single core PVC insulated FR cable 10 sq. mm & control wiring with PVC insulated FR cable 1 sq. mm, 1 no. two position selector switch to bypass timer & other accessories & petty material (din rail, 1 no. 4 pole bakelite terminal strip 63A/ 440 volts AC, required nut bolts) should be fixed on bakelite sheet 6mm thick to be mounted in a IP54 surface/ flush mounting powder coated sheet metal (1.60mm thick) cabinet having size 450mmx600mmx150mm to switch ‘ON’ all the 3 phases & switch ‘OFF’ 3 phases predetermined/ pre-fixed timings complete in all respect as per satisfaction of Engineer-in-charge.