Sudharsan InsulationsSudharsan Insulations We are the leaders in the design, manufacture, export and supply of electrical testing and commissioning equipment. Our main products are relay test kits, primary injection sources, electrical test benches, MCB/ELCB test kits, hi-pot test kits etc.
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An organization with a committed approach to quality and customer service, we provide our customers a definitive competitive advantage in terms of efficiency, cost and performance. Our products are developed after a detailed scrutiny of the demands of the market and the standard specifications that are prevalent across the globe.

We have initiated effective quality management systems which has enabled to carve a niche for our products in the industry.

About Us

With a steadfast vision on quality and performance of our products, we have reached the prominence of manufacture, export & supply of electrical testing and commissioning equipment. Our exclusive product range includes hi-pot test equipment, AC/DC power sources, special purpose transformers and chokes.

We take exceptional care in the manufacture of our products, right from the buying of components to the final assembly of products. We abide by rigorous quality testing and control. We constantly develop new techniques to enhance our product & cost efficiency, compliance to safety & other international standards. Our customer centric approach in product development is widely admired.

Leading names in electrical power sector such as Power Grid Corp of India. L&T, EB's, NPCL to name a few our clients confirm our product quality and integrity.


We Offer

Manufactured under the supervision of experienced and knowledgeable electrical engineers, our products are produced using superior quality materials. Our range includes:

Over-Current Relay Test Kit

Over-Current Relay Test Kit

Type: SI/CV series

We manufacture over-current relay test kit which provide undistorted sine wave injection current. Its performance is comparable to Alstom’s CFB test kit. It has digital panel meters for Volt/ Amp/ Timer. Suitable for both NO/ NC trip contacts of relays under test. It has input overload protection with MCB for current Injection and 0.5A glass fuse for auxiliary AC/DC outputs.

Applications
  • Secondary injection testing of over-current and earth fault relays.
  • Ideal for IDMT electromagnetic relays - similar to Alstom's CDG range.

Models: 30A, 50A, 100A, 200A (Such as type SI/CV-30 for 30A model)

Request for specifications and quotation


Primary Injection Test Kit

Type: SI/PIK Series

We manufacture injection systems which are self contained fully integrated unit comprising of MCB, variac, isolated wound secondary injection transformer, dual ratio CT and ammeter. Input is provided with a 3 pin metal clad plug and socket with copper busbar output. It has a push button operated contactor with optional timer. Its powder coated ms enclosure with front panel protects it by a lockable cover and it is easily transportable on castor wheels.

Application: CT ratio testing, bus-bar heat runs etc.

Models: 1000A, 2000A, 3000A (Such as type: SI/PIK-10 for 5V model for 2000A, 10kVA)

Request for specifications and quotation
Primary Injection Test Kit



Loading Transformer

Loading Transformer

Type: SI/LTR Series

Light in weight, our loading transformer is easily portable with lifting handles. Enclosed in 5 mm thick hylam sheets its primary wound is without secondary windings. The output secondary winding to be wound at site through centre hole with adequately rated flexible copper cables for window type models only.

Application: CT ratio testing, Bus-bar heat runs etc.

Models: 1000A, 2000A, 3000A (Such as type: SI/LTR-10 for 5V model for 2000A, 10kVA)

Request for specifications and quotation


MCB/ELCB Test Kits

Type: SI/MCB Series

Our MCB test kits are light in weight and easily portable for on site testing. Compatible for NO / NC auxiliary trip contact selection. Their front panel equipment is protected against mechanical damage with lockable cover. They also have a 4 digit auto ranging time interval meter.

ELCB/RCCB Test Kits: As a light and portable unit for 100/500mA range of leakage current.

MCB Test Kits

  • Application: Testing of MCBs and Bi-Metal Overload Relays.
  • MCB Models: 100A/200A for MCBs, 1000A/2000A for MCCBs, (Such as type: I/MCB-100 for 100A).

Request for specifications and quotation
MCB/ELCB Test Kits



Electrical Test Bench Trolley

Electrical Test Bench Trolley

Type: SI/ETB Series

Built in pre fabricated steel enclosure system (eg. President Rack/Ultima etc.), our electrical test bench trolley has a louvered and lockable - side panels, front and rear panel. Easy accessibility of components for maintenance, it has continuously variable AC/ DC power sources, Optional High voltage sources etc.

  • Size: 1366 x 800 x 800 mm
  • Weight: 350Kg


Application: Routine tests of control/ switch gear panel.

Request for specifications and quotation


Digital Phase Analyser

Type: SI/DPA

Our digital phase analyser has a VIP brief case assembled for easy portability. It is used to measure phase voltage/ current and phase angles between voltage to voltage, voltage to current and between current to current. It has front panel R, Y, B terminals for current in/ current out & potential terminals RN/ YN/ BN.

Other Products

  • HV Test Kits and transformers - for knee point voltage test of CTs and Hi-Pot tests.
  • Static Phase shifter to test impedance and distance relays.
  • Digital time interval meters - Standard type and current sensing type.
  • Special purpose transformers and chokes.

Request for specifications and quotation
Digital Phase Analyser




Quality

We put utmost importance to the quality and performance aspects of our products and the customers' quality expectations. Placing paramount importance to such ideals, we leave no stone unturned in engineering and delivering the very best.

Evey step in production is closely monitored by our skilled machine operators, under the guidance of our quality experts. The electrical products are tested before dispatching them to the clients. Every electrical product proudly bears our assurance for excellence.


Clients

With high on performance and totally reliable electrical products, we have been acclaimed for excellence in manufacturing. Our transparency in business dealings and economical pricing have been admired by the industry. We have become the supplier of choice of various Indian and global multinationals.

We have supplied many custom built control panels and test equipment to:


Domestic Customers

  • Power Grid Corp of India Ltd.
  • Nuclear Power Corp. of India.
  • English Electric Co. now called Alstom India.
  • Neyveli Lignite Corporation (NLC)
  • Larsen and Toubro
  • State Electricity Boards
  • GE Power Controls
  • SPIC, Tuticorin
  • Gujarat Ambuja Cements, HP
  • University of Madras & Other Educational Institutions
  • ISRO, Sriharikota



Overseas Customers

  • Al-Ahleia Switchgear Co., Kuwait
  • National Contracting Company Limited, Al-Khobar, Kingdom of Saudi Arabia
  • Middle East Electric Power Projects, Riyadh, Kingdom of Saudi Arabia
  • Qatar Switchgears, Qatar
  • Power Economy Middle East Co. WLC, Abu Dhabi
  • Electrical Lighting Co., LLC, Abu Dhabi



Commissioning Engineers

We are commission engineer of following companies:
  • Voltech Engineers, Chennai
  • Elsytech Engineers, Chennai
  • GIS Protection & Controls (Pvt) Ltd.
  • Hi-Tech Engineering Services, Chennai
  • INEL Power System Engineers Pvt. Ltd.
  • Power System Design & Commissioning Services, Chennai
  • L.S.Electricals, Secunderabad
  • Om Electricals power Pvt Ltd, Ranchi
  • Power System Engineers, Chennai, B'lore
  • INE Value Creators Pvt Ltd, Hyderabad
  • Imperial Engineering Co. Cochin



Contact Us
Mr. S. P. Rajah
Sudharsan Insulations
Plot 91-92, Industrial Estate, Perungudi,
Chennai - 600 096, Tamil Nadu, India
Phone: +(91)-(44)-24961392
Fax: +(91)-(44)-42123327
Email: sprajah@gmail.com, sudharsaninsulations@gmail.com, pscraja@gmail.com




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