Q3HSN Code 8504
Electrical transformers, static converters
Electrical transformers, static converters (for example, rectifiers) and inductors
GST rate
| Charger or charging station for Electrically operated vehicles | 5% |
| Electrical transformers, static converters (for example, rectifiers) and inductors other than charger or charging station for Electrically operated vehicles | 18% |
Codes under 8504
| Code | Description | GST rate |
|---|---|---|
| 8504 10 | Ballasts for discharge lamps or tubes: | Varies |
| 8504 10 10 | Conventional type | Varies |
| 8504 10 20 | For compact fluorescent lamps — ballasts for discharge lamps or tubes | Varies |
| 8504 21 | Having a power handling capacity not exceeding 650 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 22 | Having a power handling capacity exceeding 650 kVA but not exceeding 10,000 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 23 | Having a power handling capacity exceeding 10,000 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 23 10 | Having a power handling capacity exceeding 10,000 kVA but not exceeding 50,000 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 23 20 | Having a power handling capacity exceeding 50,000 kVA but not exceeding 1,00,000 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 23 30 | Having a power handling capacity exceeding 1,00,000 kVA but not exceeding 2,50,000 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 23 40 | Having a power handling capacity exceeding 2,50,000 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 31 | Having a power handling capacity not exceeding 1 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 32 | Having a power handling capacity exceeding 1 kVA but not exceeding 16 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 33 | Having a power handling capacity exceeding 16 kVA but not exceeding 500 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 34 | Having a power handling capacity exceeding 500 kVA — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 40 | Static converters: | Varies |
| 8504 40 10 | Electric inverter | Varies |
| 8504 40 21 | Dip bridge rectifier | Varies |
| 8504 40 30 | Battery chargers | Varies |
| 8504 40 40 | Voltage regulator and stabilizers (other than automatic) | Varies |
| 8504 50 | Other inductors — electrical transformers, static converters (for example, rectifiers) and inductors | Varies |
| 8504 50 10 | Choke coils (chokes) | Varies |
| 8504 90 | Parts: | Varies |
| 8504 90 10 | Transformers — parts | Varies |
← Chapter 85: Electrical machinery and equipment
Related HSN codes
8505Electro-magnetic, permanent magnets and articles intended8503Parts of machines (headings 8501, 8502)8506Primary cells and primary batteries8502Electric generating sets and rotary converters8507Electric accumulators, including separators therefor8501Electric motors and generators (excluding generating sets)
Frequently Asked Questions
What is the HSN code for electrical transformers, static converters?
The HSN code for electrical transformers, static converters is 8504, under Chapter 85 (Electrical machinery and equipment).
What is the GST rate on electrical transformers, static converters?
It depends on the specific item: charger or charging station for electrically operated vehicles is 5%; electrical transformers, static converters (for example, rectifiers) and inductors other than charger or charging station for electrically operated vehicles is 18%.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.