Latest bts alarm repair Tenders | Government bts alarm repair Tenders

State Government

CTN :39565718

10 Mar, 2025 1.51 Lacs

Udhampur - Jammu And Kashmir

Tender For providing and fitting of essential items and allied material for snow clearance operation at nathatop sanasar road - supply, testing and commissioning of 48v smps float cum boost automotive battery charger with moveable trolley stand for snow operation at nathatop - sanasar roadgeneral technical requirements for battery charger suitable for 48v vrla type battery1.) type -float & float cum boost charger for vrla type, full wave, full controlled type. 2. ) ratings- 15 a float cum boost for 48v, 150 ah vrla type battery 3. ) ac input- i) voltage 415 vac 10%ii) frequency 50hz 5% iii) phase 3 - phase 4.) d.c.output voltage settings -nominal float fc 48/54.5v (adj. by + 20%, - 5% bc 48/66.5v (adj. by + 2%, - 5%) 5.) output current limit 15a 15a 6. ) power conversion ac to dc by means of three phase full wave, half controlled bridge rectifier consisting of thyristors and diodes. 7.) voltage regulation at bridge output. + 1% of set value for + 10% input voltage variations, 0-100% load variation. 8. ripple voltage less than 3% rms without battery connected. 9. efficiency more than 80% at full load 10. protections (a) input side ac input mccb & elbs with input on/off switch and fuses, contactor (b) output side dc output mccb with output on/off switch and fuses. (c) protection current limit protection, soft start feature, surge suppressor. fast semiconductor fuses for rectifier bridge. (d) control circuit fuses (e) capacitor circuit rectifier hrc fuses. (f) over-voltage cut-back (g) charger over load / short circuit (h) blocking diode 11. controls and switches followings controls and switches are provided in the system 1 ac input source mccbs with interlocking 2 dc output mccb 3 auto/manual float/boost mode selector switch. 4 float and boost voltage variable potentiometers. 5 manual voltage adjustment potentiometer 6 test push button 7 reset push button 8 battery current adjustment potentiometers 9 heater s power supply switch 12. features the following features are provided in the systems: 10 soft start on dc side 11 class-f insulation for all magnetic 12 automatic voltage regulation. 13 automatic changeover from float to boost and vice versa based on current, drawn by battery. 14 filter circuit to eliminate ripple. 15 charger current limit 16 separate battery path current limit. 17 built-in auto phase reversal of operation. 13. meters f.c. b.c. (i)input voltmeter (i) common (ii) input ammeter (ii) input ammeter (iii) output voltmeter (iii) output voltmeter (iv) output ammeter (iv) output ammeter. battery volt meter battery ammeter earth leakage ammeter 14. indications phase on lamps (ii) output on lamp a)phase on lamps (ii) output on lamp. (iii) charger on float led (iv)charger on boost led. 15. annunciation with audiovisual alarms. (i) ac input mains failure (ii) input phase failure (iii) ac under voltage iv) input phase failure v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped xiii) charger over load xiv) earth leakage xv) dc earth fault xvi) alarm supply fuse failure xvii)battery low condition. v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped. note : all the alarms shall be provided through electronic display cards. audio alarm through buzzer, visual indication through 10 mm leds & alarm ackn. / reset and led provision is through push buttons. 16. operating ambient temperature surrounding the panel 00 to 500 c 17. surrounding the panel relative humidity. 0-95% non-condensing 18. panel (i) protective grade (ii) cooling (iii)paint ip 42 natural air-cooled smoke grey of iss-692 shade a) average winding temperature rise over ambient temperature b) insulation class c) insulation breakdown voltage. as per relevant iss. f 3 kv for 1 min withstand. 19. cables 1100 v

corporations/Associations/Others

CTN :39608167

24 Mar, 2025 26.13 Lacs

Koderma - Jharkhand

Tender For providing of custom bid for services - installation and commissioning of fire detection and annunciation system at chemical lab along with one time overhauling of existing system of fdas on oem basis for dvc ktps

State Government

CTN :39557033

02 Apr, 2025 9.50 Lacs

Multi City - Chhattisgarh

Tender For work contract for assisting in day to day maintenance of fda (fire detection and annunciation) system and fire water system of abvtps, cspgcl, janjgir-champa.

corporations/Associations/Others

CTN :39124099

19 Mar, 2025 NA

Nashik - Maharashtra

Tender For corrigendum : design,supply,installation,testing and commissioning of intelligent addressable wired fire detection and annunciation system on turn key basis in cnp along with camc after warranty for consecutive 02 years and dismantling of old wired fire alarm

CTN :39539682

11 Mar, 2025 NA

Tuticorin - Tamil Nadu

Tender For ichp- cleaning, maintaining and tightness checking all proximity switches, pcrd & ccrd system resistance wires, brushes, power & control cables, monitoring & normalizing pcrd & ccrd cable winding, checking & maintaining travel drive system and its thruster brake and rail clamp unit, annunciation system, plc system and its auxiliary contactors and soft, start panel in stacker-i & ii machines.

CTN :39539683

11 Mar, 2025 NA

Tuticorin - Tamil Nadu

Tender For ichp- cleaning, maintaining and tightness checking all proximity switches, thyristor control dc drive system, pcrd & ccrd system resistance wires, brushes, power & control cables, monitoring & normalizing pcrd & ccrd cable winding, checking & maintaining travel drive system and its thruster brake and rail clamp unit, annunciation system, plc system and its auxiliary contactors and soft, start panel in reclaimer-i & ii machines.

corporations/Associations/Others

CTN :39538678

31 Mar, 2025 5.24 Lacs

Puruliya - West Bengal

Tender For providing of custom bid for services - cable laying work for replacement of faulty micc cable of the fire detection and annunciation fda system in whole plant area including administrative building and cisf fire station rtps dvc

Central Government/Public Sector

CTN :39509128

07 Mar, 2025 NA

Alappuzha - Kerala

Tender For maintenance contract for pac, scada and annunciation system

CTN :39519168

11 Mar, 2025 NA

Udyogamandal - Kerala

Tender For spare parts for the belt scale weighing system - "controller for belt scale in w1 conveyor in nas plant.compatibility: controller shall be compatible with load cell and systemoffered against job no - 017/14make : ipamodel : lh seriescapacity : 50 tphdisplay : 7 digit, 7 segmentmeasurement display : rate in tons/hr, totaliserprogramming : through front panel keypadprogrammable parameters : calibration of load, setting of under load andover load alarm.annunciation : required for power on, under load and over load.system/ fault diagnosis : requiredcalibration : through front keypad using standard calibration chainpassword protection : requiredambient temperature : 5-50 degcoutput : 2nos. minimum, 4-20ma current output (isolated) for flowrateload cellinput : milli volt input from load cell model:br021 h9 of capacity 20kgno. of load cells : 2nos.excitation to load cell : 10v dcpaneldimension: 380x600x210 (wxlxd)panel power supply : 110vac, 50hz (all other power supply requirementfor components inside panel to be considered)terminal block : for terminating cables for load cells, power, maoutput.mounting accessories : required for wall mountingpanel door : hinged type, opening sideways", "load cell for ipa make belt scale for w1 conveyor of nas plantmake : ipamodel : br021 h9excitation : 4 wire system, 10vdccapacity : 20kgcompatibility : load cell shall be compatible with ipa make controllermodel :bcw55l0 supplied against ipa job no: 017/14load cell cable length : 15 metres"