Procurement of different type of electrical panel equipment of auxiliaries for 3 x 105 MW THPS I Sirmour and 3x20 MW, BS III, HPS MPPGCL, Deolond of THC Sirmour

Auxiliary Contractor, Rated Insulation Voltage = 690 Volt, Rated operational current le (A) (230 V), (le/AC15) = 10Amp, lth2=16 A, conforming to IEC947, Auxiliary Contracts – 3NO + 1 NC Coil Voltage = 220 Volt DC, Model -3TH80 31-0B (Siemens), Make –Siemens /L&T/Schneider or equivalent

Auxiliary Contactor, Rated Insulation Voltage = 690 Volt, Rated operational current (A) (230 V) (le/AC15) = 10Amp, lth2=16 A, conforming to IEC947 Auxiliary Contacts – 6NO + 2 NC, Coil Voltage = 220 Volt DC, Model – 3TH82 62-0B (Siemens) Make –Siemens /L&T/Schneider or equivalent

Contactor Relay (Industrial Grade) for Electro Hydraulic Governor Panel, Coil Voltage = 220 VDC, Auxiliary Contacts – 4NO + 4 NC, Rated operational current (A) (230 V DC / 380 V AC) (le) = 6 A and for 500 V AC - Ie = 4 A, VDE - 660 Volt, Ith2 = 16 Amp, Coil R(warm) = 7500 Ohm, Model – 3TA-6160-0BM (Siemens), Make –Siemens /L&T/ Schneider or equivalent

AC Power Contactor, 3 Pole, Rated operational current Ie at 55 Dec C (Utilization category AC-3) = 12 A for 5.5 kW, 415 V AC, Coil Voltage = 230 V AC, No. of built-in auxiliary contacts = 1 NC (Ie AC-15 = 4 A, 415 Volt AC and Ithe = 10 A), Model – MN 12, Make = L&T Separate Auxiliary Contact block – Contacts = 1 NO + 1 NC, Ie AC-15 = 4 A, 415 Volt AC and Ithe = 10 A, Model = MN-A1, Make –Siemens /L&T/ Schneider or equivalent

Thermal Overload Relay, Mounting – Direct, Suitable for Contactor – MN 12, 1 Start & Off / Reset Push button, Built in contacts = 2 NO + 1 NC, Rated operational current for AC-15 utilization category at 50 Hz = 2 A at 500 V, Max Fuse = 6 A, Current Range = 0.9 – 1.2 – 1.5 Amp. Model MN 2 (Suitable for item S.no.4), Make –Siemens /L&T/Schneider or equivalent

Control Contractor, Main Contact = 4 NO, Ie (Rated Current) for AC-11, Utilization Category = 4 A at 415 V, 50 Hz, Rating for motor duty (AC-3) = 7.5 A, 415 V, 50 Hz, Thermal Rating = 10 A, Coil Consumption = Pick up 85 VA Hold on 16 VA (5 watts), Coil Rated supply = 230 V AC, Model – MM00 – L&T (for reference),Make – C&S/ Siemens / L&T / Schneider or equivalent

VSP D2 Phase Failure Relay, System Supply 415 V AC, Auxiliary Supply 415 V AC, Output Contacts 2 CO, Trip Setting (Volts) – Phase Sequence Yes, Phase Imbalance 30 V to 70 V ±6 V adjustable, Resetting Mode Manual, Trip Time Delay 3.5 sec / 1.5 sec, Make – Minilec or equivalent

Power Contactor, 3 Pole, 415 V AC, Rated operational current Ie = 32 Amp, Auxiliary Contacts = 2NO + 2NC, Coil Voltage = 240 V AC, Make – C&S/ Siemens /L&T/Schneider or equivalent

Thermal Overload Relay, with single phasing preventing feature inbuilt. Setting Range 28-40 A, Auxiliary Contacts – 1NO+1NC (Suitable for above contactor S. No. 8) Make – C&S/ Siemens / L&T/Schneider or equivalent

Auxiliary Contactor, Main Contacts = 2NO+2NC, Rated operational Current Ie (AC11 415 V AC) = 4 A, Ith = 10 A, Ui = 660 V, Coil Voltage = 240 V AC, Auxiliary Contact Block = 2 NO + 2 NC, Make –C&S / Siemens / L&T/ Schneider or equivalent