Expelprosys

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Siemens Distributor
Protection & Automation Products

No. 1 Relay Distributor In India.

Expel Prosys Pvt Ltd is your trusted partner for Siemens protection relays and automation products. With our extensive range of offerings including SIPROTEC-4, SIPROTEC-5, SIPROTEC Compact Series, Reyrolle, and Reyrolle-5 relays. We are equipped to meet the diverse needs of our clients in the electrical industry.
Benefits of Regular Heath check-ups
  • Minimizes unexpected equipment failures
  • Enhances worker safety and reduces accident risks
  • Improves energy efficiency and cost savings
  • Extends the lifespan of critical electrical assets
  • Ensures compliance with industrial safety regulations

Product Offerings

SIPROTEC-4 Relays

The SIPROTEC-5 & 4 series is designed for a variety of applications, offering comprehensive protection, monitoring, and control functionalities. These relays are ideal for feeder, motor, transformer, generator, busbar, bay, and line protection. Key models include:
  • 7SJ6
  • 7UT6
  • 7UM6
  • 7SA5
  • 7SA6
  • 7SS
  • 7VE6
  • 7VK6
  • 7VU68
  • 6MD66
  • 7RW
  • 7SD
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SIPROTEC-5 Relays

The SIPROTEC-5 series represents the latest advancements in relay technology, featuring enhanced communication capabilities and flexibility for modern automation systems. These relays are suitable for various protection applications and ensure optimal performance in complex electrical environments.
  • 7SJ82
  • 7SJ85
  • 7SJ86
  • 7UT82
  • 7UT85
  • 7UT86
  • 7SK82
  • 7SK85
  • 7UM85
  • 7UM86
  • 7SA82
  • 7SA85
  • 7SA87
  • 7SS85
  • 6MD85
  • 6MD86
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SIPROTEC-5 Compact Relays

The SIPROTEC-5 Compact series offers a space-saving solution for protection and control in low to medium voltage applications. These compact relays deliver robust performance while fitting seamlessly into limited spaces.
  • 7SJ80
  • 7SJ81
  • 7UT80
  • 7SK80
  • 7RW80
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Reyrolle Relays

Reyrolle relays are known for their simplicity and effectiveness in protecting electrical equipment across various applications. The Reyrolle-5 series combines traditional relay technology with modern features for enhanced functionality. Key models include:
  • 7SR10
  • 7SR105
  • 7SR15
  • 7SR17
  • 7SR18
  • 7SR21
  • 7SR22
  • 7SR23
  • 7SR242
  • 7SR4
  • 7SR51
  • 7SR54
  • 7SR57
Additional models: 7PJ11, 7PJ12, and 7PJ13.
Reyrolle 5 Catalogue Edition 9
Reyrolle Product Catalogue

66KV TO 220KV SWITCHYARD EQUIPMENTS

Physical inspection-Thorough cleaning/washing of all the porcelain insulator-Alignment of isolator blades-Greasing of all moving parts of Breaker & Isolator- Tightness checking of power & control connections healthiness- Earthing system healthiness.
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Testing of Power & Distribution Transformer

Insulation Resistance (IR) and Polarization Index (PI)-Winding Resistance Testing-Ratio-Magnetic Balance-Vector Group-Excitation Current Measurement-Tan Delta Testing-Sweep Frequency Response Analysis (SFRA)-Oil Tsting for DGA-Online moisture removal system, Functional checking of WTI/OTI/PRV etc from marshalling box.
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Why Choose Expel Prosys Pvt. Ltd. For
Health Checkup Services

See All Services
Expel Prosys Pvt Ltd is your premier partner for comprehensive health checkup services for electrical systems, specializing in Low Voltage (LV) and Medium Voltage (MV) switchboards (440V to 33kV), specialized health checkup tests, and Extra High Voltage (EHV) systems (66kV to 220kV). Here are several compelling reasons to choose Expel Prosys for all your health checkup needs:

Extensive Expertise Across Voltage Levels

With a strong focus on both LV/MV and EHV systems, Expel Prosys has developed specialized knowledge and skills necessary for effective testing and commissioning across a wide range of voltage levels. This ensures that all services meet the highest industry standards.

Comprehensive Service Offering

Expel Prosys provides a full suite of testing and commissioning services, including generator, motor, and transformer testing. This comprehensive approach allows clients to address all their electrical system needs under one roof, simplifying project management and enhancing efficiency.

Advanced Testing Techniques

The company employs state-of-the-art technology and methodologies in its testing processes, including partial discharge testing, Tan Delta testing, and Sweep Frequency Response Analysis (SFRA). These advanced techniques ensure accurate assessments of equipment condition and performance.

Skilled Professionals

The team at Expel Prosys consists of highly qualified engineers with extensive experience in electrical power systems. Their expertise ensures that all testing and commissioning activities are conducted with precision and professionalism.

Extensive Expertise Across Voltage Levels

With a strong focus on both LV/MV and EHV systems, Expel Prosys has developed specialized knowledge and skills necessary for effective testing and commissioning across a wide range of voltage levels. This ensures that all services meet the highest industry standards.

Comprehensive Service Offering

Expel Prosys provides a full suite of testing and commissioning services, including generator, motor, and transformer testing. This comprehensive approach allows clients to address all their electrical system needs under one roof, simplifying project management and enhancing efficiency.

Advanced Testing Techniques

The company employs state-of-the-art technology and methodologies in its testing processes, including partial discharge testing, Tan Delta testing, and Sweep Frequency Response Analysis (SFRA). These advanced techniques ensure accurate assessments of equipment condition and performance.

Skilled Professionals

The team at Expel Prosys consists of highly qualified engineers with extensive experience in electrical power systems. Their expertise ensures that all testing and commissioning activities are conducted with precision and professionalism.

  • Extensive Expertise Across Voltage Levels
With a strong focus on both LV/MV and EHV systems, Expel Prosys has developed specialized knowledge and skills necessary for effective health checkups across various voltage levels. This ensures that all services meet the highest industry standards.
  • 24X7 Supoort
Team of expert engineer and manager is always a call away for any kind of technical support.
  • Advanced Testing Techniques
The company employs state-of-the-art technology and methodologies in its health checkup processes. Utilizing advanced equipment such as Doble, Omicron, and ISA test sets, Expel Prosys ensures accurate assessments and compliance with industry regulations.
  • Trained & Qualified Professionals

The team at Expel Prosys consists of highly trained and qualified engineers who possess extensive knowledge in electrical systems. Their expertise guarantees that all health checkup services are conducted with precision and professionalism.

  • Commitment to Quality and Safety
Expel Prosys prioritizes safety and quality in all its operations. The company adheres to strict safety protocols and industry standards, providing clients with peace of mind that their systems are in capable hands.
  • Tailored Solutions for Client Needs
Understanding that each client has unique requirements, Expel Prosys offers customized solutions designed to meet specific project needs. This flexibility allows for optimized performance in various applications.
  • Proven Track Record
With years of experience in the industry, Expel Prosys has established a solid reputation for delivering reliable services. Client testimonials reflect the company’s commitment to excellence and customer satisfaction.
  • Comprehensive Range of Services
Expel Prosys offers a full suite of health checkup services, including overhauling and maintenance of critical components such as SF6 breakers, isolators, earth switches, and lightning arrestors. Their specialized testing services, including Tan Delta tests and numerical relay testing, ensure thorough assessments of electrical system health.

For more information or to schedule your service needs
please contact Expel Prosys Pvt Ltd today!

Contact Us
For more information about our products or to discuss your
specific requirements, please contact Expel Prosys Pvt Ltd today!
Contact Us
For more information about our products or to
discuss your specific requirements, please
contact Expel Prosys Pvt Ltd today!
Contact Us
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