V O Chidambaranar Port Trust Tender

Design, Supply, Erection, Testing and Commissioning of 22kv, 630A, 21kA for 1s, SF6 insulated, manual operated outdoor type Ring Main Unit Extensible 3way RMU with (1 VCB + 2 LBS) for the following specifications including providing suitable foundation concrete. Supply Voltage: 22KV; SF6 Insulated Compact Ring Main Unit (RMU), should comprise of 1 No Motorized Vacuum Circuit Breaker and 2 Nos Manual operated Load Break Switches; Vaccum circuit Breakers: 630Amps, Triple pole vacuum circuit breaker with independent motor charged spring mechanism and fully rated earth switch with provision for earth of the cable; Earthing of the outgoing cable shall be achieved by the use of CB in series with the off-load disconnector/ selector switch which enhances the making capacity of the Earth switch; Air insulated cable box with gland plate suitable for bottom entry of 3Core cable up to 300 sqmm; Over current & earth fault relay with digital display & self-powered Current Transformers - 3Nos provided in cable box having ratio of 100-150-200/5A; Protection: Class 5P 10; 2.5VA Actuator kit for motorized operation; Capacitive voltage indicators-LED Display, Mimic diagram on front panel, complete with status indicators(ON-OFF-EARTH); Epoxy molded low Energy tripping coil for tripping the circuit breaker in fault condition, Local Push to trip mechanism for emergency trip, Cable termination busing suitable for 1 run size up to 3cx300sqmm XLPE cable- 1set, Touch proof boot suitable for 22kv -1set. The combined unit shall consist of the following: 1set of 630Amps continuously rated copper bus bars with proper insulations, positive standard mechanical interlocks to avoid unsafe operations, padlocking for open, close, Earth position in correct sequence; Technical specifications: Metal clad Switchgear: Compact Switchgear; Insulation type: SF6; Switching Tech.: SF6 (Switches); Protection degree: IP56; Main Busbar: Copper 240 sqmm; Earth Bus: Copper 120 sqmm; SF6 Tank Material: Stainless Steel; Interlocks: Standard; Colour: RAL 7012 / RAL 7035 or its equivalent; Label language: English; Package: Corrugated Cardboard; Service voltage: 22KV; Rated voltage:24KV; Power Frequency voltage withstand: 50kV; Impulse Voltage withstand: 125kVp; Rated Current Busbar: 630A; Rated Current Switch: 630A; Rated Current Breaker: 630A; Rated short-time current: 21kA for 1s; Short circuit making current: 52.5 kA; Frequency:50HZ; Environment temperature range: - 5ºC to 50 ºC; Relative Humidity:95%; Altitude: up to 1000m above sea level; Installation type : Outdoor; IEC 62271-1: Common Clauses HV Switchgear & Control gear; IEC 62271-100: AC Circuit Breakers; IEC 62271-200: Metal Enclosed Switch gear Common items & Accessories: Manometer with Green & Red zone for indicating pressure of gas inside the tank fitted on RMU - 1No.; Operating Handle (Supplied Loose with RMU) -1Set; Make: C&S / CG /ABB / Siemens / Schneider

Design, Supply, Erection, testing and commissioning of 22KV, 630A, 21kA for 1s, SF6 insulated, manual operated outdoor type Ring Main Unit Extensible 3way RMU with (1 VCB + 1 LBS) for the following specifications including providing suitable foundation concrete. Supply Voltage: 22KV; SF6 Insulated Compact Ring Main Unit (RMU) should comprise of 1 No. Motorized Vacuum Circuit Breaker and 1 No. Manual operated Load Break Switches; Vacuum circuit Breakers: 630 Amps, Triple pole vacuum circuit breaker with independent motor charged spring mechanism and fully rated earth switch with provision for earth of the cable; Earthing of the outgoing cable is achieved by the use of CB in series with the off-load disconnector/selector switch which enhances the making capacity of the Earth switch; Air insulated cable box with gland plate suitable for bottom entry of 3Core cable upto 300 sqmm; Over current & earth fault relay with digital display & self-powered, Current Transformers – 3 No.s provided in cable box having ratio of 100-150-200/5A; Protection: Class 5P 10; 2.5VA, Actuator kit for motorized operation; Capacitive voltage indicators-LED Display, Mimic diagram on front panel, complete with status indicators(ON-OFF-EARTH); Epoxy molded low Energy tripping coil for tripping the circuit breaker in fault condition, Local Push to trip mechanism for emergency trip, Cable termination busing suitable for 1 run size upto 3cx300sqmm XLPE cable- 1set, Touch proof boot suitable for 22kv-1set. The combined unit shall consist of the following: 1set of 630Amps continuously rated copper bus bars with proper insulations, positive standard mechanical interlocks to avoid unsafe operations, padlocking for open, close, Earth position in correct sequence. Technical specifications: Metal clad Switchgear: Compact Switchgear; Insulation type: SF6; Switching Tech.: SF6 (Switches); Protection degree: IP56; Main Busbar: Copper 240 sqmm; Earth Bus: Copper 120 sqmm; SF6 Tank Material: Stainless Steel; Interlocks: Standard; Colour: RAL 7012 / RAL 7035 or its equivalent; Label language: English; Package: Corrugated Cardboard; Service voltage: 22KV; Rated voltage:24KV; Power Frequency voltage withstand: 50KV; Impulse Voltage withstand: 125kVp; Rated Current Busbar: 630A; Rated Current Switch: 630A; Rated Current Breaker: 630A; Rated short-time current: 21kA for 1s; Short circuit making current: 52.5KA; Frequency:50HZ; Environment temperature range: -5ºC to 50 ºC; Relative Humidity: 95% ;Altitude: up to 1000m above sea level; Installation type : Outdoor; IEC 62271-1: Common Clauses HV Switchgear & Control gear; IEC 62271-100: AC Circuit Breakers; IEC 62271-200: Metal Enclosed Switch gear Common items & Accessories: Manometer with Green & Red zone for indicating pressure of gas inside the tank fitted on RMU -1No.; Operating Handle (Supplied Loose with RMU)- 1Set Make: C&S, CG, ABB, Siemens, Schneider

Design, Supply, Erection, Testing and Commissioning of 22kv, 630A, 21kA for 1s, SF6 insulated, manual operated outdoor type Ring Main Unit Extensible 3way RMU with (1 VCB + 3 LBS) for the following specifications including providing suitable foundation concrete. Supply Voltage: 22KV; SF6 Insulated Compact Ring Main Unit (RMU), should comprise of 1 No Motorized Vacuum Circuit Breaker and -2 Nos. Manual operated Load Break Switches; Vacuum Circuit Breakers: 630Amps, Triple pole vacuum circuit breaker with independent motor charged spring mechanism and fully rated earth switch with provision for earth of the cable. Earthing of the outgoing cable is achieved by the use of CB in series with the off-load disconnector/ selector switch which enhances the making capacity of the Earth switch. Air insulated cable box with gland plate suitable for bottom entry of 3Core cable up to 300 sqmm; Over current & earth fault relay with digital display & self-powered, Current Transformers - 3Nos provided in cable box having ratio of 100-150-200/5A, Protection: Class 5P 10; 2.5VA, Actuator kit for motorized operation; Capacitive voltage indicators - LED Display Mimic diagram on front panel, complete with status indicators (ON-OFF-EARTH); Epoxy molded low Energy tripping coil for tripping the circuit breaker in fault condition, Local Push to trip mechanism for emergency trip, Cable termination busing suitable for 1 run size upto 3cx300sqmm XLPE cable- 1set, Touch proof boot suitable for 22kv -1set. The combined unit shall consist of the following: 1set of 630Amps continuously rated copper bus bars with proper insulations, positive standard mechanical interlocks to avoid unsafe operations, padlocking for open, close, Earth position in correct sequence Technical specifications Metal clad Switchgear: Compact Switchgear; Insulation type: SF6; Switching Tech.: SF6 (Switches); Protection degree: IP56; Main Busbar: Copper 240 sqmm; Earth Bus: Copper 120 sqmm, SF6 Tank Material: Stainless Steel; Interlocks: Standard; Colour: RAL 7012 / RAL 7035 or its equivalent; Label language: English; Package: Corrugated Cardboard; Service voltage: 22Kv; Rated voltage:24Kv; Power Frequency voltage withstand: 50kV; Impulse Voltage withstand: 125kVp; Rated Current Busbar: 630A; Rated Current Switch: 630A; Rated Current Breaker: 630A; Rated short-time current: 21kA for 1s; Short circuit making current: 52.5KA; Frequency:50HZ; Environment temperature range: -5ºC to 50 ºC; Relative Humidity:95%; Altitude: up to 1000m above sea level; Installation type : Outdoor IEC 62271-1: Common Clauses HV Switchgear & Control gear; IEC 62271-100: AC Circuit Breakers; IEC 62271-200: Metal Enclosed Switch gear Common items & Accessories: Manometer with Green & Red zone for indicating pressure of gas inside the tank fitted on RMU -1No., Operating Handle (Supplied Loose with RMU)-1Set Make: C&S / CG / ABB / Siemens / Schneider