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Tender For quotations for ton capacity non inverter 3 star rated split type room air conditioners (a.c), with remote system, rotary compressor, 100% copper condenser coil, complete sets. ,standard installation charges
Tender For supply of 2.2 kw ac crane drive , 5.5 kw ac crane drive , 11.0 kw ac crane drive , 22.0 kw ac crane drive , 37.0 kw ac crane drive , 55.0 kw ac crane drive , 75.0 kw ac crane drive 3 phase, digital ac crane drive 2.2 kw, ac drive should be suitable for heavy duty operation of 2.2 kw. offered ac drive should be suitable for crane-hoist operation. if, separate software required for crane application, it must be clubbed with supply of material. ac input voltage: 380 to 480v ac 10%, 3 phase, 3 wire, 50 hz; mode of control: bi-directional fully controlled 3-phase ac; speed regulation: 1% of base speed; braking: suitable dynamic braking resistance and chopper unit (external or in-built); acceleration time: 0.1 to 1000s or better; deacceleration time: 0.1 to 1000s or better; overload: 150%-1min, 200%-3.0s; ambient temperature: 0 to 50 c (derating shall not occur below 50 c. in the event that derating occurs below 50 c, the supplier shall provide a higher-rated drive to match the requirement); rated current at 50 c: min. current should be 5.5 amps at 50 c; high starting torque at low speed: 200% starting torque at 0.3 hz; two analog inputs: two nos. analog inputs having signal voltages of 0 to 10 vdc or 4 to 20 ma (configurable); two analog outputs: two nos. analog outputs having signal voltages of 0 to +/-10 vdc or 4 to 20 ma (configurable); six digital inputs: pnp/npn; one relay output: with short-circuit and overload protection; two digital outputs: with short- circuit and overload protection; brake release signals: outputs braking signals based on inverter operating conditions to prevent cargo bed rollback and overrunning; load adaptive control: when the actual load level is lower than the configured load level, the system can be operated at a ratio-multiplied speed (in terms of the configured frequency), resulting in significantly better efficiency; load ) /bid number : gem/2026/b/7563714 * /dated: 20-05-2026 & & / bid document 1 / 29 frequency), resulting in significantly better efficiency; load limiter: maintains the safety and rescuability of suspended loads by stopping when excessive torque is detected and by allowing operation only in the direction opposite to that in which the excessive load was detected; cooling capacity degradation alarm: detects and displays cooling capacity drop due to cooling fin clogging caused by dust and cooling fan airflow reduction; igbt life expectancy forecasting: estimates the power cycle life expectancy of the main circuit s igbt semiconductor device temperature due to frequent acceleration and deceleration stoppages, and displays the estimate before the design life is reached; protection: it must have all standard protections like stall protection, instantaneous power failure, single phasing, over voltage, under voltage, over current, inverter overload, thermal overload etc; display console: it must have alpha numeric display console for programming of drive, fault display and operating condition; dynamic qr code: it must have dynamic qr code for trouble shooting; tuning facility: it must have auto tuning facility. this must enable perfect matching of motor coupled to load with regards to optimum acceleration time, deceleration time, speed regulation etc; drive programming software: suitable drive programming software along with necessary connecting cable and adapter for connection with laptop and drive should be provided to get online with the offered drive (laptop not in scope); automatic voltage regulation: it must have automatic voltage regulation function to maintain high starting torque even at reduced voltage; regenerative option: it must be capable of regenerative operation; communication protocol: modbus (rtu/serial) or ethernet (tcp/ip); make of drives: fuji- electric/yasakawa/schneider/abb only; suitable dynamic breaking resistance unit of 60% wattage rating of drive, however the value of resistance is to be decided by manufacturer as per their technical manual for crane-ho
Tender For supply of digital controlled igbtinverter based mig/mag welding system with remote management controller. [ warranty period: 30 months after the date of delivery ] ]
Tender For corrigendum : smart lecture hall - p.a. system 100 watt (complete set), amplifier (100w, pa grade, 70/100v line output), ceiling speakers (6-8" size, 82/100v line), collar microphone (wireless), table microphone (wired/gooseneck base type), gooseneck microphone (podium use), air conditioner 2 ton (inverter type, 5 star preferred), multimedia projector (full hd/4k support), motorized projection screen (glass-beaded fabric, 8' x 6', complete installation as per site), podium (wooden, standard type), laser presenter with infrared pointer, white board 6 ft 4 ft with movable stand, electrical wiring & fittings (complete work) - modular switches, sockets, 32a mcb, 63a tpn, ac power cabling, conduit work etc. as per site requirement
Tender For supply and commissioning of igbtinverter based mig/mag welding plants as per the enclosed technical specifications. [ warranty period: 24 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For replacement of existing vrf system by supply installation testing and commissioning of air cooled top discharge 100 percent inverter driven cooling type vrf system unit at sachin debbarman auditorium at belonia south tripura
Tender For providing of customized amc/cmc for pre-owned products - customized amc/cmc for new products supplying installing testing and commissioning of 6kw inverter system with 6 battery ( 180ah) at sankh grampanchayat office as per specifications attached in the scope o..