Promoted by technical entrepreneurs from IIT Kharagpur in 1985, Company initially started with manufacturing products
for Industrial Control and Pollution Control.Gradually focus shifted to Power Electronics products,embedded electronics
and renewable energy.Signotron has 50,000 sq.ft.space available for manufacturing facility in the prestigious Electronics
Complex, Salt Lake, Kolkata.Company has a total strength of 140 employees which is increasing continously.
Graduate and Post Graduate Engineers.Diploma Engineers, Technicians.MBAs,Office and Commercial staffs.
History and Milestones
Company s major thrust had been in manufacturing specialized Industrial Control products
for Burner and Pollution Control- UV Flame Detector and Amplifier.
- Microprocessor based Back Feed Sequence Controller.
Having more than 10000 installations in India and abroad,the above products
were supplied in Steel and Cement Plants,Oil refineries and Chemical Industries
A major diversification to Power Electronics products in Rolling Stocks.
Introduced in Indian Railways MOSFET based Voltage Regulators for Motor Generator Sets of DC EMUs.
Developed energy efficient electronic lamp ballast for Railway Coaches.
Implemented for the first time DC-DC Converter for Head Light Application in Indian Railways in lieu of rheostats.
Inverters 0.5 KVA to 5 KVA for Pantry Car applications.
5 KW DC-DC Converters for Hotel load applications of Diesel Locomotives for Sri Lanka Railways.
First prototype unit for 3 phase Compact drive for fractional Horse Power Motors for Diesel Locomotives in lieu of
small DC Motors.
Successful completion of field trials and acceptance of small AC Motors by Indian Railways for 100% replacement of
existing small DC Motors.
Commencement of Bulk Production of 3 phase Compact drives. Till date 80% diesel fleet of 4500 locomotives of
Indian Railways has been installed with such compact drives. Total field population around 14000 as on date.
Thyristor based Battery Charge Discharging regenerative panel for VRLA batteries upto 70 KW.
28 KW naturally cooled, Battery charger with active P.F.C. for SGAC coaches of Indian Railways. Supplied more than
150 units to Indian Railways till date.
Grid tied Solar Inverter upto 100 KW rating.
Voltage Controlled Static VAR compensator for Power Factor improvement.
IGBT based Battery Charge / Discharge panel with active PFC upto 70 KW.
Web based remote monitoring and control( SCADA ) for solar inverters.
25 KVA Inverter for SGAC coaches of Indian Railways.
Output paralleling of grid interactive 3 phase solar inverters.
UV Flame Detector.
Solar Power Plant designing & installation.
SignoFlex (HFC 6-3) Battery Charger.
Turnkey solution for DC systems in power utility.
SignoFlex EV20 SMPS
180 KVA Auxiliary Converter for electric locos.
130 KVA Auxiliary Converter for electric locos.
We have approval from following authorities: