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Elecos Engineers Private Limited

Industrial Resistors

Leading and Manufacturers of Damping Resistor, Discharging Resistor, Dynamic Braking Resistor, Inverter Braking Resistor, Load Resistor, Motor Starting Resistor, MUB Resistor, Neutral Earthing Resistor, Plate Grid Resistor, Precharge Resistor, Snubber Resistor and Starting and Braking Resistor from Kolkata.

Business Type Manufacturer, Supplier, Retailer, Wholesaler
Application Traction Converter of 3 Phase AC/DC EMU’s
Voltage 220V
Frequency 50Hz
Power 10-15Kw
Driven Type Electric
Brand Name ELECOS

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Location India ( West Bengal)

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Rated output 3W
Tolerance ± 1%
Temperature coefficient ± 50ppm/°C
Test voltage 500VAC
Material Aluminium
Application Industrial

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Location India ( West Bengal)

Harmonic filter circuit incorporates a capacitor. A resistor is provided for discharging the charged capacitor with a specific pulse pattern. It is also of inductance free design (L= 0.92 µH). The resistor assembly has been indigenously developed by ELECOS for the first time in India. 

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Certification CE Certified
Feature Durable, High Performance
Application BHEL Metro Coach
Brand Name Elecos
Temperature Coefficient + - 240ppm degree C
Power (W) 60-5000 W
Average operating temp 600 ° C

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Location India ( West Bengal)

This is another major product designed & developed by ELECOS to replace the existing failure prone edge wound type resistor frames.

 

This Resistor has been successfully under go all the major tests in accordance with IEC 322 including Shock & vibration, rain test. Temperature rise test etc.

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Certification CE Certified
Feature Durable, High Performance
Brand Name ELECOS
Resistance Values 2.2 – 1,500 Ω
Continuous Power 10 W – 30 kW
Protection Class IP20 – IP66

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Location India ( West Bengal)

This series is characterized by its combination of light weight, compact dimensions and high energy absorption capacity. It is based aluminum housed with profile as integrated cooling fins. By connecting multiple compact resistors in series, resistor units with higher capacities are also possible. Aluminum resistors are used as brake and chopper resistors as well as load and test resistors.

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Output max. with heat sink 10W
Temperature range -55...+125°C
Test voltage 500VAC
Weight 400-450gm
Driven Type Electric
Warranty 1Year

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Location India ( West Bengal)

Load Resistor for primary voltage transformer developed for 6000HP WAG9, WAP5 and WAP7 Class, 3-phase AC drive Electric Locomotives.

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Material Stainless Steel
Application Industrial
Color Silver
Frequency 50-60 Hz
Packaging Type Box
Power Source Electric

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Location India ( West Bengal)

The starting resistors are used to limit the inrush current during starting process of the Motor Alternator set. It has been developed for the Metro Railway, Kolkata.

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Type MUB Resistor
Resistance 2.5 Ohms +/- 5% at 20°C
Max. Voltage to Earth 2800V DC nominal
Max. Current Stress 1705Amps. Peak Surge
Energy Losses 1000 KWs
Test Voltage 9 kV RMS for 60 secs
Creepage Distance 50 mm Min
Cooling Natural Air Cooling
Equivalent Product ID No.3EHN424091P0025

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Location India ( West Bengal)

Resistor over Voltage Protection called MUB is provided in the over voltage limitation circuit which is one of the main constituent of traction power convertor.

In case capacitance of DC-link capacitor bank is not sufficient to prevent the DC-link from sudden and inadmissible high transient over voltages, the over voltage protection (limitation) resistor is almost immediately connected across the DC link by the firing of a GTO/IGBT.

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Certification CE Certified
Feature Durable, High Performance
Frequency 50Hz, 60Hz
Warranty 1Year
Power Rating 150-300 W
Availability 1400 VAC For 10W
Related Temperature -20~ +20 Deg C

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Location India ( West Bengal)

Earthing Resistor developed for Dual Voltage EMUs. Its function is to limit the earth current. This resistor has successfully undergone the short circuit test at 25kA in the premises of an overseas firm. Resistors are designed by our engineers with a 3D model in order to find the best solution to withstand Short Circuit without being damaged

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Voltage 220V
Driven Type Electric
Warranty 1Year
Resistance Values 0.1 – 100 Ω
Continuous Power 5 kW – 60 kW
Protection Class IP00 – IP23

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Location India ( West Bengal)

The high energy absorption capacity of our Plate Grid type Resistors with elements made of high-alloy, heat-resistant metal panels. Resistor elements are reinforced with stainless steel bars and on support bolts that are insulated with mica tubes. Adjacent elements are insulated from one another via ceramic sleeves. Plate resistors are used as brake and start resistors, as load and test resistors, as well as filter and damping resistors. The steel grid elements are used in neutral earthing resistors.

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Resistance 50 Ohms +/- 10%
Dissipation 150 KW/s
Voltage Stress 1517 V
Application WAG9/WAP7 & WAP5 Electric Locomotives
Warranty 1 Year
Pack Type Carton Box

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Location India ( West Bengal)

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Application Traction Converter of 3 Phase AC/DC EMU’s
Tolerance ± 1%
Temperature coefficient ± 50ppm/°C
Temperature range -55...+125°C
Test voltage 500VAC
Material Aluminium

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Location India ( West Bengal)

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Business Type Manufacturer, Supplier, Retailer, Wholesaler
Certification CE Certified
Application NGEF Metro Coach
Feature Durable, High Performance
Voltage 220V
Frequency 50Hz
Power 10-15Kw
Driven Type Electric
Brand Name ELECOS

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Location India ( West Bengal)

Starting and Braking Resistors (SBR) are employed in the conventional type of rolling stock having DC propulsion machines and electro-dynamic brake. They are used for gradually/sequentially increasing the voltage applied to the traction motor during starting and for expending electrical energy generated during braking as heat. 

 

       This is one of the prestigious products in the company’s product spectrum. ELECOS has executed a number of orders from the Metro Railway, Kolkata involving not only supply of new resistor frames but also revamping of the existing resistor units. ELECOS undertook reengineering and redesign of a number of points in the existing units to overcome some problems of critical nature encountered by the Metro Railway.

 

       ELECOS quality management has ensured that there is not even a single case of failure either in the new ones reconditioned units. The ‘zero defect’ status achieved by ELECOS has been recognized by the customer.    

 

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