Stabilizer HSN Code for GST Filing

Updated: May 25, 2026 12 min read Fazeel Zaidi

Voltage stabilizers are common in homes, shops and industries where they protect electrical appliances from voltage fluctuation. Knowing the correct stabilizer HSN code and GST rate helps traders, distributors and service providers raise accurate invoices and avoid dispute during audit.

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What Is the HSN Code for Voltage Stabilizers?

Under GST, voltage stabilizers are generally classified under chapter 85 which covers electrical machinery and equipment. In practice, most electronic stabilizers and servo stabilizers are mapped to heading 8504 which covers static converters and other power supply equipment.

Stabilizer HSN Code Classification and GST Rates

Here are some commonly used HSN codes and GST rates for this category

Section Classification

Section No

Section Title

Guide to HSN Section 16

Section Description

Machinery And Mechanical Appliances; Electrical Equipment And Parts Thereof; Sound Recorders And Reproducers, Television Image And Sound Recorders And Reproducers, And Parts And Accessories Of Such Articles

Section No

Section Title

Guide to HSN Section 18

Section Description

Optical, Photographic, Cinematographic, Measuring, Checking, Precision, Medical Or Surgical Instruments And Apparatus; Clocks And Watches; Musical Instruments; Parts And Accessories Thereof

Chapter Classification

Chapter No

Chapter Title

Electrical Machinery Equipment

Chapter Description

Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles

Chapter No

Chapter Title

Optical & Medical Instruments

Chapter Description

Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

4 Digit HSN Code Classification

HSN Code

HSN Code Title

Clad metals

GST Rate

18%

HSN Code

HSN Code Title

Automatic regulating instruments

GST Rate

18%

8 Digit HSN Code Classification

HSN Code

HSN Code Title

Ballasts for lamps

GST Rate

18%

HSN Code

HSN Code Title

Ballasts for compact fluorescent lamps

GST Rate

18%

HSN Code

HSN Code Title

Other Ballasts for Discharge Lamps or Tubes

GST Rate

18%

HSN Code

HSN Code Title

Liquid Dielectric Transformers (≤650 kVA)

GST Rate

5%

HSN Code

HSN Code Title

Transformer (650-10000kVA)

GST Rate

5%

HSN Code

HSN Code Title

Transformers (>10,000 kVA, ≤50,000 kVA)

GST Rate

5%

HSN Code

HSN Code Title

Transformers (>50,000 kVA, ≤100,000 kVA)

GST Rate

5%

HSN Code

HSN Code Title

Transformers (>100,000 kVA, ≤250,000 kVA)

GST Rate

5%

HSN Code

HSN Code Title

Transformer (>250000kVA)

GST Rate

5%

HSN Code

HSN Code Title

Transformers ≤1 kVA Power Handling Capacity

GST Rate

5%

HSN Code

HSN Code Title

Other Transformers (1-16 kVA)

GST Rate

5%

HSN Code

HSN Code Title

Other Transformers (>16-500 kVA)

GST Rate

5%

HSN Code

HSN Code Title

Other transformers: Having a power handling capacity exceeding 500 kVA

GST Rate

5%

HSN Code

HSN Code Title

Static Converters | Electric Inverter

GST Rate

5%

HSN Code

HSN Code Title

Rectifier

GST Rate

5%

HSN Code

HSN Code Title

Static converters: Rectifier : Other

GST Rate

5%

HSN Code

HSN Code Title

Static Converters | Battery Chargers

GST Rate

5%

HSN Code

HSN Code Title

Static Converters: Voltage Regulators & Stabilizers (Non-Automatic)

GST Rate

5%

HSN Code

HSN Code Title

Static Converters

GST Rate

5%

HSN Code

HSN Code Title

Other Inductors | Choke Coils (Chokes)

GST Rate

5%

HSN Code

HSN Code Title

Other Inductors | Other

GST Rate

5%

HSN Code

HSN Code Title

Parts | Of Transformers

GST Rate

18%

HSN Code

HSN Code Title

Electrical Equipment & Transformers, Converters, Inductors

GST Rate

18%

HSN Code

HSN Code Title

Thermostats for Refrigerating & Air-Conditioning Appliances

GST Rate

18%

HSN Code

HSN Code Title

Thermostats | Other

GST Rate

18%

HSN Code

HSN Code Title

Manostats for Refrigeration & Air-Conditioning Applications

GST Rate

18%

HSN Code

HSN Code Title

Manostats | Other

GST Rate

18%

HSN Code

HSN Code Title

Hydraulic/pneumatic instruments

GST Rate

18%

HSN Code

HSN Code Title

Electronic Automatic Regulators and Other Instruments

GST Rate

18%

HSN Code

HSN Code Title

Other instruments and apparatus

GST Rate

18%

HSN Code

HSN Code Title

Parts And Accessories

GST Rate

18%

* GST rates may vary based on the latest GST notification.

How Does GST Apply to Voltage Stabilizers and Other Stabilizer Products?

Voltage stabilizers supplied as separate goods are normally taxed at 18% under heading 8504. This rate commonly applies whether the stabilizer is used for household appliances like television, refrigerator and air conditioner or for commercial machinery, as long as it is supplied as an independent item.

When a stabilizer is permanently built inside an appliance, the classification may follow the main appliance instead of separate stabilizer HSN code. In such situations, the GST rate of that appliance applies to the entire unit as a composite supply.

Why Is it Important to Use the Correct Stabilizer HSN Code for GST?

Correct stabilizer HSN code ensures that tax is charged at the proper rate and shown correctly in e invoices and GSTR tables. It also supports smooth input tax credit for the buyer, because the HSN code and description in purchase invoice must match with the nature of goods received.

Wrong classification can create issues during departmental scrutiny, especially when turnover crosses the limit where HSN reporting is compulsory. Consistent use of the right heading also helps in matching your outward supplies with industry data for risk analysis.

How to Ensure Accurate HSN Code Classification for Stabilizers?

Businesses dealing in stabilizers should keep the technical catalogue, specification sheet and purchase invoice of the product as reference. The description on invoice should clearly mention whether the unit is an independent stabilizer, part of a machine or a power conditioning system.

You should also configure your accounting or billing software so that the stabilizer item master carries the correct HSN code and GST rate. Once master data is clean, every sale invoice automatically carries the proper stabilizer HSN code which simplifies GSTR filing and reconciliations.

Conclusion

Voltage stabilizers normally fall under chapter 85 with heading 8504 and attract 18% GST when supplied as separate goods. Correct stabilizer HSN code and description on invoices makes GST filing easier and reduces the risk of dispute on classification or input tax credit.

If a stabilizer is built into another appliance or machine you should review the supply structure carefully and follow the classification that best represents the main product.

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Frequently Asked Questions

Clear answers to common queries about this topic.

What is the HSN code for stabilizers?

Most electronic voltage stabilizers and servo stabilizers are classified under heading 8504 of chapter 85, which covers static converters and power supply equipment and generally attract 18% GST.

Are voltage stabilizers classified differently for GST?

Where the stabilizer is an independent unit, it is usually classified under heading 8504 with 18% GST. If it is permanently built into an appliance, the stabilizer follows the GST classification of that appliance as part of a composite supply.

What is the GST rate for voltage stabilizers?

Voltage stabilizers supplied as separate goods normally attract 18% GST under heading 8504, unless a specific notification prescribes a different rate for a special category product.

How do I file stabilizers under the correct HSN code for GST returns?

While preparing GSTR one, you should show stabilizer outward supplies with the correct description, HSN 8504 and applicable GST rate. The same HSN should also be maintained in your e invoices and item masters.

Are other types of stabilizers classified differently under GST?

Most electronic stabilizers fall under heading 8504, but special control panels or measuring instruments with stabilizing function may fall under other headings. In such cases the dominant function of the product decides the correct HSN code.

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Fazeel Zaidi

Chartered Accountant

I’m Fazeel Zaidi, a Chartered Accountant based in Prayagraj with 8 years of experience. I specialize in GST and Audits, helping businesses stay compliant and audit-ready. With a B.Com background, I focus on practical, clear guidance that simplifies regulations and supports better decision-making.

MRN: 469741 Prayagraj