Oil-Immersed Distribution Transformers

BIS Certification For Oil-Immersed Distribution Transformers 

Explore this blog to learn everything about BIS Certification for Oil-Immersed Distribution Transformers. If you are a manufacturer, importer, or distributor, getting BIS certification is mandatory to ensure quality and safety standards.

The power sector plays an important role in ensuring electricity’s seamless transmission and distribution. One of the key components of this sector is the oil-immersed distribution transformer, which is generally used in power grids for voltage regulation and power distribution. To ensure quality, safety, and stability, the Bureau of Indian Standards has made it mandatory for manufacturers to obtain BIS certification under IS 1180 (Part 1):2014.

In this guide, we’ll break down everything you need to know, including why BIS certification matters, the application process, required documents, and testing procedures. By the end, you’ll have a clear understanding of how to navigate compliance smoothly and get hassle-free market approval.

What Is BIS Certification For Oil-Immersed Distribution Transformers?

The Bureau of Indian Standards is the National body of India, that ensures product quality and safety compliance through various certification schemes. BIS certification acts as proof that a product follows the specified Indian standards and is safe for use.

Obtaining BIS Certification for Oil-Immersed Distribution Transformers under the Compulsory Registration Scheme is important before manufacturing or selling them in the Indian market.

Benefits Of BIS Certification For Oil Immersed Distribution Transformers?

With BIS ISI Mark Certification For Oil Immersed Distribution Transformers, Companies and their products simply unlock the benefits:

  • The BIS Mark Certificate enables producers to continue producing and marketing their goods throughout India.
  • BIS certification enables manufacturers to use the standards mark, i.e., ISI Mark on their manufactured goods. Manufacturing these products or items without an ISI Mark could result in a hefty fine, imprisonment, or both.
  • The BIS ISI Mark on any product ensures consumer safety and health and develops trust.
  • BIS ISI-certified products ensure high quality and consumer satisfaction, which increase revenue.

Why Is BIS Certification Important For Oil Immersed Distribution

Below are the key reasons why a BIS certificate is essential for oil-immersed distribution transformers:

  1. Regulation Compliance: BIS certification is a mandatory requirement under the quality Control order, ensuring compliance with government regulations.
  2. Product Quality & Reliability: Certified transformers undergo strict testing to ensure they meet high-quality standards.
  3. Consumer Trust: BIS-certified transformers instil confidence in buyers and users regarding safety and performance.
  4. Market Access: Without BIS Certification, manufacturers and importers cannot sell their transformers in the Indian market.
  5. Prevention of Substandard Products: The certification process eliminates low-quality transformers that may pose safety risks.

Documents Required For BIS ISI Certificate For Oil Immersed Distribution Transformers In India 

For BIS Certification of Oil-Immersed Distribution Transformers under IS 1180 (Part 1), you need to submit various documents to meet the BIS requirements. Here’s a list of the essential documents required:

  • BIS application form with authorized signatory details
  • Company registration certificate
  • Factory license or trade license
  • Manufacturing unit
  • Technical specifications of the transformer
  • Type test reports from NABL-accredited labs as per IS 1180 (Part 1)
  • Routine and acceptance test reports
  • Bill of materials (BOM)
  • Drawing and design documents
  • Quality control procedures
  • ISO 9001 certificate for the manufacturing unit
  • Calibration certificates of testing equipment
  • Undertaking for compliance with IS standards
  • Authorized signatory ID proof and photograph

Read More: Documents Required For BIS Registration

BIS Certification Process For Oil Immersed Distribution Transformers

The process to get BIS Certification for Oil-Immersed Distribution Transformers under IS 1180 involves several key steps. Here’s a step-by-step guide:

  1. Determine Applicability: Check whether your Transformers fall under the mandatory certification category. Ensure compliance with IS 1180 (Part 1):2014 standards.
  2. Application Submission: Register on the BIS Manakonline portal. Submit the required documents, including manufacturing details, test reports, and quality control measures. 
  3. Product Testing: Transformers must be tested in a BIS-recognized laboratory. Tests include performance, insulation resistance, impulse voltage, short circuit withstands, and temperature rise tests.
  4. Factory Inspection: BIS officials conduct an on-site factory inspection to verify production processes and quality control measures. Sample transformers may be taken for further testing.
  5. Grants of BIS Certification: If the product meets all Standards, BIS provides a license to use the ISI Mark. The manufacturer can now label their transformers with the BIS certification mark.

Read More: How to apply for BIS certificate

Validity & Renewal Of BIS Certification For Distribution Transformers

BIS Certifications, initially valid for 1 year and can be renewed for 1-5 years, requiring an application with fees and documents and a late fee if submitted after the expiration date.

  • First Validity: BIS certification is granted initially for a period of not less than one and up to two years.
  • Renewal: Manufacturers can renew their BIS certification when there are no changes to the products or standards they follow.
  • Late Fee: If the renewal application is submitted after the certification expires, a fee of Rs 5,000 is charged.

Conclusion 

As the need for reliable and efficient power distribution grows, BIS certification for oil-immersed distribution transformers ensures that these transformers meet the highest standards of safety, performance, and compliance. Whether you’re a manufacturer or a consumer, choosing a BIS-certified transformer means investing in a robust, efficient, and dependable electrical system.

By opting for BIS-certified transformers, industries and utility companies can be confident that they are using high-quality, safe, and regulation-compliant products. In today’s world, where safety, energy efficiency, and performance matter more than ever, a BIS certification is a crucial step toward building a sustainable and reliable electrical future.