Electric Work to Installation of Machine at Trinching Grnd

Supply, Installation, Testing and commissioning of 230 V AC operated LDRs Shall have an operating range of 96…253V AC with 1 NO, 16 A, AgSnO2 contact material with starting current of 120A and light dependent relay with a lux sensitivity adjustment of 1 to 1000 lux shall operate on 230 V AC with an operating voltage range of 0.8 to 1.0 times that of nominal voltage. the changeover contacts shall be rated for 16 Amp, cadmium free along with the cadmium free light sensor and shall operate at an ambient temperature of-20 deg C to + 50 deg C. The electrical service life of LDR shall be 100X103 with dielectric strength between open contacts of 1000V AC and conducted disturbance immunity i.e. surge (1.2/50US) on L and N (Differential mode) of 4 KV. The LDR shall have necessary approvals like CE, GOST and IMQ and shall be lighting sensor IP 54 and LDR IP 20 protected. able to switch phase lines for LED lamp Load of 400 Watt with light feddback compensation and zero hysteresis for energy saving.

The 230 V AC operated astro time switch shall have an operating range of 96…253V AC with 1 NO, 16A AgSnO2 contact material with starting current of 120A and 1 CO cadmium free contacts, it shall have LCD status indication with black light display along with internal easily replaceable battery on the front side for set-up and programming. The electrical life at rated load AC1 shall be 1 lakh cycles and shall work at an ambient temperature of -20 to 50 deg C. It shall have a dielectric strength between supply and open contacts of 4000V AC, between open contacts 1000V AC respectively and rated impulse voltage (between supply and contacts) of 6kV and rated impluse voltage (between open contacts) of 1.5 kV. The mounting shall be on 35 mm DIN rail rail (EN 60715) and shall have necessary approvals like CE, IMQ and EAC.

Supply, Installation, Testing and commissioning of 25A rating four pole contactor, designed specific contact material AgSnO2 for lamp loads and AC load for high starting current, It shall work at an ambient temperature of-20 to 50 deg C and auto-On-Off selector version. It shall have 3 Kv short Circuit protections. The mounting shall be on 35 mm DIN rail (EN 60715)

SOVP for pole light sub feeder panels- Type 2 pluggabel SPD 3+1, rating L-N/N-PE Uc 255/320 V In 30/60KA KA, Imax 30Ka/60KA, Up1.5KV

Supply, Fixing, Testing and commissioning Wall/Floor mounted LT panel primer coated with powder coated paint & provided with degree of protection IP42 suitable for 415 volt 3 phase, 50 Hz, 4 wire system fabricated out of CRCA sheet upto 2 mm thick (1.6 mm for doors) duly compartmentalized for incomer, bus section, outgoings, cable alleys & Ct, PT, Ampere Metre, Volt Metre, selector switches, frequency Metre, phase indicating lamp, Energy Metre complete including cost of busbar supports, detachable cable gland plates, 2 earthing terminals, internal wiring & fixing of separately supplied MCBs, MCCBs, ACB, panel mounted changeover switch/SFUs, etc. as required but excluding cost of busbar strips, Ampere Metre, Volt metre, selector switch as per approved design & specification

Aluminium bus bar strips with PVC sleeves

LED lamp indicator

Supplying and fixing of analog time switch for automatic ON-OFF street light of approved make in existing LT panel including connections etc. as required as per specification

MCCB 25 kA current rating-63 to 100 Amp & adjustable overload setting 80%-100% of in, adjustable short circit setting 6-10 in4 pole

MCCB 25 kA current rating- 125 Amp & adjustable overload setting 80%-100% of in, adjustable short circit setting 6-10 in4 pole