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Offering a range of Relay Test Block, Semaphore Indicators, Relay Test System, Switch Fuse Units, etc.

About Us

Nelster Welcon is India's pioneer and the largest manufacturer of Test Terminal Blocks with the widest range to offer. Established in 1978 , we are an ISO-9001 : 2008 certified manufacturing plant offering a range of Test Terminal Blocks, Relay Test Blocks,  Relay Test Plugs,  Semaphore Indicators, Relay Test Systems & Plugs, Changeover Switches, FT test switches, RT test switches, Changeover switches, Switch Disconnector, Air Break Switches, Gang Operated Switches etc. It is our philosophy & commitment to produce and deliver products of highest quality & safety standards at reasonable prices with an enviable service that has helped us in forging sustainable business association with our clients world over.

Extensive Product Range

  • Test Terminal Block
  • Relay Test Plugs
  • Relay Test Block
  • Semaphore Indicators
  • Relay Test System
  • Switch Fuse Units
  • Changeover Switches
  • Disconnecting Switches
  • FT test switches
  • RT test switches
  • Connectors
  • Universal Test Blocks
  • Test Winding Terminals.

World Class Quality

Due to our commitment to quality, we have been accredited with an ISO 9001:2008 certification. In order to meet high expectations and specifications of our clients, we stick to international quality standards. We strive hard to come up with effective solutions with the support of our quality analysts. Raw material plays a vital role in determining the quality of finished products and hence we use the best quality of raw materials and components to manufacture our products. We have set up a quality management team, which keeps stringent check on the pre production, on production and post production processes so that no flaw remains in the final products. Our products boast of the following remarkable features:

  • Robustness
  • Corrosion resistance
  • Abrasion resist
  • Functionality
  • Superior Safety
  • Year of Service Free Performance

Production Facilities

This consists of state-of-the-art machinery, testing facility and a motivated & dedicated team of employees led by experienced Engineers, who do not compromise on our standard of quality & safety. Most parts are produced in-house using sophisticated Moulding machines, Press Tools, Power Presses, Radio frequency heaters, orbital revitting machines etc. All incoming raw materials undergo multi stage quality checks and multi layered quality audits during different stages of production process. Each finished product is subjected to a final quality check to qualify for "NELSTER" certificate of Approval. Only then, the product is ready for shipment.

TESTS, APPROVALS & CONFORMITY

  • CPRI
  • PGCIL
  • IEC
  • CE
  • GETCO
  • KPTCL
  • MSETCL.

OUR CLIENTS / USERS

  • ABB
  • AREVA T&D
  • BES&T
  • BHEL
  • CROMPTONS
  • EASUN REYROLLE
  • L&T
  • MEI
  • RELIANCE ENERGY
  • SECURE METERS
  • SIEMENS
  • TATA POWER
  • SEVERAL STATE UTILITY BOARDS. OEMs IN SEVERAL COUNTRIES WORLDWIDE.

Why Us?

We are an over three decades old, established, reputed & respected  name in the contemporary industry. Some of the factors that contributed to our success are:

  • Modern & well equipped infrastructure
  • Dedicated & efficient manpower
  • Quality centric approach
  • High service standards
  • High manufacturing scale
  • Fair pricing
  • Adaptable to changing dynamics of clients' needs.



Relay Test Block & Relay Test Plug
Relay Test Block & Relay Test Plug
'NELSTER' Test Terminal Block 20 Amp. 3 phase 4 wire Link Type Back Connected with Transparent Cover
'NELSTER' Test Terminal Block 20 Amp. 3 phase 4 wire Link Type Back Connected with Transparent Cover
Test Terminal Blocks
Test Terminal Blocks
'NELSTER' Test Terminal Block 20 Amp. 3 phase 4 wire Screw Type Front Connected
'NELSTER' Test Terminal Block 20 Amp. 3 phase 4 wire Screw Type Front Connected
'NELSTER' Test Terminal Block 3 phase 4 wire Link Type Back Connection
'NELSTER' Test Terminal Block 3 phase 4 wire Link Type Back Connection
'NELSTER' Test Terminal Block 3 phase 3 wire Screw Type Front Connected
'NELSTER' Test Terminal Block 3 phase 3 wire Screw Type Front Connected
Test Terminal Block
Test Terminal Block
Test Terminals  Blocks
Test Terminals Blocks
'NELSTER' Test Terminal Block 20 Amp. 3 phase 4 wire Link Type Back Connected
'NELSTER' Test Terminal Block 20 Amp. 3 phase 4 wire Link Type Back Connected
'NELSTER' Test Terminal Block 3 phase 4 ire Screw Front Connection with Transparent Cover
'NELSTER' Test Terminal Block 3 phase 4 ire Screw Front Connection with Transparent Cover
Relay Test Block
Relay Test Block
Semaphore Indicators
Semaphore Indicators




Contact Details
6, Laxmi Woollen Mills Compound, Shakti Mills Lane, Off. Dr.E.Moses Road, Mahalaxmi,Mumbai - 400011, Maharashtra, India
Phone:91-22-24946564
Fax:91-22-24927335
Send Mail   Send SMS   
Key Personnel
Mr. Rajan Nambiar (Chief-Executive)
Mobile:+919869247405


 
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