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If you make, import or sell standalone SMPS units with maximum output voltage up to 48V in India you’ve probably heard about the BIS Compulsory Registration Scheme (CRS) and the standard IS 13252 (Part 1): 2010. What you might not know is just how strict the rules are and what steps you have to take to ensure your products clear customs and reach customers smoothly
An SMPS Switch Mode Power Supply is the device that converts electricity from the mains into regulated DC voltage. When we say “standalone” with output voltage up to 48V, we are talking about power supplies used on:
These are not embedded SMPS inside another device. These are independent units that you sell as finished products.
This standard focuses on safety of electrical and electronic equipment. It does not check how fast your SMPS turns on or how efficient it is. It looks at risks like:
In simple terms, the standard says: If a consumer plugs this product into a wall socket it should not cause electric shocks, fire or fail dangerously
BIS ISI Mark Registration for Telescopic Ball Bearing Drawer Slide IS 17954:2023
You might think you can sign an invoice and the goods are yours to sell. That’s not the case here.
Under Indian law:
If you try to do business without registration:
You need CRS registration if you are:
If you are a reseller of products already registered under a valid BIS licence you still need to verify that the exact model number you are selling is covered under that licence
This part look simple online, but the details matter.
Confirm right away that your product is governed by IS 13252 (Part 1): 2010. Misclassifying it under a different product code will get your application rejected.
This standard is for standalone electrical/electronic safety, not performance metrics. Label it right.
You cannot register without a proper test report.
Here’s what you typically do:
3. The lab issues a test report that you include in your BIS application
When you apply, you need:
Now go to the BIS portal:
This is not like uploading photos to social media. Be precise. Don’t leave any field blank. If something doesn’t apply write “Not applicable” instead of leaving it empty
Once submitted, BIS officials may ask for clarification.
For example:
These questions matter. If you ignore them or delay replies, your application stays pending.
Stay on top of them.
Once BIS is satisfied with your information and documentation, they issue the CRS registration certificate
This certificate lists:
Only after this can you legally put the BIS Standard Mark on your product and packaging.
The ISI mark is not just a sticker. It has rules.
You put the mark on:
If you want to sell standalone Switch Mode Power Supplies (SMPS) with output voltage up to 48V in India you must comply with BIS CRS registration under IS 13252 (Part 1): 2010.
You can handle this yourself, but many manufacturers find it complex especially when dealing with lab tests, documentation, and portal submissions.
That’s where Agile Regulatory comes in. We know the CRS process inside out. From helping you prepare the right documents to managing lab coordination, filing your application and responding to BIS queries we can support you every step of the way
Nishi Chawla
09 Jan, 2026
Nishi Chawla
08 Jan, 2026
Nishi Chawla
07 Jan, 2026
Nishi Chawla
07 Jan, 2026
Get Instant Solution By an Expert Advisor
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We simplify compliance through a proven 4-step process: Consultation, Documentation, Submission, and certification. From understanding requirements to getting final approvals, we deliver a smooth, timely, and fully compliant journey for your business.
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