BIS Certification for Domestic Electric Food Mixer (Liquidizers and Grinders) and Centrifugal Juicer: IS 4250:2025

Electric Food-Mixers (Liquidizers and Grinders) and Centrifugal Juicers find extensive use in homes, commercial establishments, and food processing units for efficient food processing. The use of these appliances provides convenience, speed, and efficiency in the operations of food handling. As they are operated on electrical energy and have rotating parts at high speeds, it becomes necessary that they should meet the safety and performance criteria set by the IS 4250:2025 for Electric Food-Mixers (Liquidizers and Grinders) and Centrifugal Juicers. As mentioned in the Indian Standard, there are many technical requirements for these appliances including electrical safety, quality of insulation, performance of motors, temperature rise, mechanical strength, safety of construction and functional performance. It is mandatory for eligible appliances to follow the Quality Control Orders (QCO) laid down by BIS and certification under IS 4250:2025.

What is IS 4250:2025 for Electric Food-Mixers and Centrifugal Juicers?

IS 4250:2025 is the Indian Standard that specifies requirements for electric food-mixers, liquidizers, grinders, and centrifugal juicers intended for domestic and similar applications. The standard lays down safety, construction, and performance criteria to ensure reliable operation and protection against electrical and mechanical hazards. As per BIS requirements, these appliances are -

Tested for electrical safety and insulation performance
Examined for temperature rise during operation
Checked for mechanical strength and durability
Verified for motor performance and functional efficiency

Eligibility for BIS Certification under IS 4250:2025

BIS ISI certification under IS 4250:2025 is applicable to businesses involved in the manufacturing, importing, branding, or supply of electric food-mixers, liquidizers, grinders, and centrifugal juicers intended for sale in India.

Applicable to -

Manufacturers (India) - Must obtain BIS certification if the product falls under applicable regulatory requirements.
Foreign Manufacturers - Need BIS certification to export covered products to the Indian market.
Importers/Brand Owners - Must ensure that products supplied under their brand comply with BIS requirements.
Retailers and Distributors - Should deal only in BIS-certified products wherever certification is mandatory.

Advantages of ISI Mark Certification for Food-Mixers and Centrifugal Juicers

The BIS certificate through IS 4250:2025 makes sure that the electric appliances used for preparing food satisfy Indian safety and quality standards regarding electrical specifications, safety, strength, and dependability.

Ensures compliance with BIS safety standards
Improve safety of electrical and mechanical devices
Increase consumer confidence and improve brand reputation
Ensures conformity to Indian standards
Reduces likelihood of product failure
Helps in regulatory compliance and market entry
Increases acceptance by institutional purchases
Ensures consistency of manufacture
Improves customer satisfaction
Ensures product reliability

BIS Testing Requirements for Electric Food-Mixers and Centrifugal Juicers under IS 4250

The Bureau of Indian Standards mentions the minimum standards for the safe functioning of electric food-mixers (liquidizers, grinders) and centrifugal juicers in IS 4250:2025. This certificate guarantees that the producers keep consistent safety, performance, and quality standards according to the standard. It also guarantees that these appliances will offer proper electrical safety, mechanical protection, and reliable performance throughout the period of operation, even in continuous use. The following are the BIS testing standards for electric food-mixers and centrifugal juicers:

Test Group	What is Tested	Purpose
Electrical Safety Tests	Protection against electric shock, earth continuity, leakage current, dielectric strength, and high voltage withstand	Ensures user safety from electric shock and verifies safe electrical insulation
Dimensional & Construction Tests	Construction details, creepage distances, clearances, internal wiring, external cords, terminals, screws, insulation structure	Ensures proper design, safe assembly, and compliance with constructional safety requirements
Functional & Performance Tests	Liquidizing, grinding, juicing efficiency, power input, current consumption, motor operation	Ensures appliance performs intended functions efficiently under rated conditions
Operational & Control Tests	Control operation, switch performance, speed control, abnormal operation behavior	Ensures safe and reliable operation during different working conditions
Temperature & Heating Tests	Temperature rise, bowl temperature withstand, overheating behavior	Ensures safe thermal performance and prevents overheating during continuous use
Mechanical Strength Tests	Mechanical hazards, impact resistance, structural strength of assembly	Ensures durability and resistance to physical stress during operation
Endurance Tests	Motor endurance, continuous operation over time	Ensures long-term reliability and product life cycle performance
Moisture & Environmental Tests	Moisture resistance, leakage under humidity conditions	Ensures safe operation in kitchen environments with moisture exposure
Fire & Heat Resistance Tests	Resistance to heat, fire, tracking, and flammability	Ensures fire safety and resistance to ignition and flame spread
Safety Protection Tests	Stability, access to live parts, overload protection, abnormal operation safety	Ensures user protection from hazards during misuse or abnormal conditions

How to obtain BIS Licence for Electric Food-Mixers and Juicers under IS 4250?

The BIS certification process guarantees that the electric food-mixers (liquidizers, grinders) and centrifugal juicers, as per the standards laid out in IS 4250:2025, conform to the standards. The certification process is conducted by the Bureau of Indian Standards (BIS) and the steps are mentioned below -

Online Registration :- Manufacturers register on the BIS Manak portal by submitting company, factory, and product details. Foreign manufacturers must appoint an Authorized Indian Representative (AIR).
Testing at BIS-Approved Laboratory :- Product samples are tested at BIS-recognized laboratories to verify compliance with applicable requirements.
Application Submission :- The application is submitted along with test reports, technical documents, and factory details. Foreign manufacturers must also submit AIR-related documents.
Factory Inspection :- BIS officials inspect the manufacturing units to verify the production process, safety measures, and quality control system.
Grant of BIS License :- If all the above requirements are satisfactorily met, BIS grants the certification license under Scheme-I.
Use of ISI Mark :- The manufacturer can affix the ISI Mark along with the CM/L number after receiving approval.

Safety and Durability Tests

Moisture Resistance (S) – Ensures safety under humid conditions
Abnormal Operation Test (S) – Checks performance during misuse or faults
Overload Protection Test (S) – Verifies safety of circuits and components
Mechanical Strength Test (R/S) – Ensures product can withstand physical stress
Stability and Mechanical Hazards (S) – Confirms safe and stable operation

Construction and Design Tests

Internal Wiring Check (S) – Ensures proper internal connections
Terminals and Connections (S) – Ensures secure electrical connections
Creepage Distance and Clearance (S) – Prevents electrical short circuits

Heat and Material Resistance Tests

Resistance to Heat and Fire (S) – Ensures materials can handle high temperature
Resistance to Rusting (S) – Confirms durability in different environments

BIS Certification Process for Food Mixers and Juicers

The BIS certification process ensures that these mixers and juicers meet the required standards for proper and efficient operation. This process is defined by the Bureau of Indian Standards (BIS) and includes the following steps:

Online Registration:Manufacturers register on the BIS Manak Online Portal by submitting company details, factory information, and product specifications. Foreign manufacturers must appoint an Authorized Indian Representative (AIR) in India.
Testing at BIS-Approved Laboratory:Product samples are tested in BIS-approved laboratories to evaluate electrical safety, insulation resistance, heating efficiency, durability, and overall performance as per requirements.
Application Submission:application is submitted along with laboratory test reports, technical documents, manufacturing process details, and factory information. Foreign manufacturers must also provide AIR-related documents.
Factory Inspection:BIS officials conduct an on-site inspection of the manufacturing unit to verify production processes, quality control systems, safety measures, and compliance with the standard.
Grant of BIS License:If all requirements are successfully met, BIS issues the certification license under Scheme-I, allowing the manufacturer to produce and sell certified products.
Use of ISI Mark: After certification approval, the manufacturer is permitted to use the ISI mark along with a CM/L number on the product, confirming compliance with the standard.

Documents Required for IS 4250 Certification

The following documents are typically required for obtaining BIS certification:

Basic Details	GST Certificate Email ID & Contact Number Factory & Office Address Rent Agreement / Lease Deed (if applicable)
Legal Documents	Partnership Deed (if partnership firm)
Manufacturing Details	List of Machinery Process Flow Chart Layout Plan of Factory
Raw Material Details	List of Raw Materials Supplier Details Raw Material Invoices Raw Material Test Certificates
Testing & Quality Control	List of Testing Equipment Calibration Certificates QC / Lab In-charge Appointment Letter & Qualification
Production Details	Annual Installed Capacity Last Year Production Value
Product & Packaging Details	Quantity per Package Nature of Packing Nature of Printing / Marking on Product
Management Details	Top Management Details Concerned Person for BIS Communication
Brand & Certification Documents	Trademark / Brand Certificate Consent Letter from BIS Recognized Laboratory
Additional Documents	Weekly Off Details Hygiene Document (if applicable) Relaxation Letter (if applicable) Any Other Relevant Document

Marking Requirements & License Validity

ISI Mark	Indicates that the product is BIS certified and follows the standard
Standard Number	IS 4250:2025
CML Number	Certification Marks License number issued by BIS
Manufacturer Details	Name of manufacturer or registered trademark
Batch / Date	Batch number or manufacturing date for traceability

Validity of BIS licenses for FOOD MIXERS

Initial Validity	Typically 1 to 2 years
Renewal	Must be renewed before expiry
Surveillance	Periodic inspections and testing
Compliance	Continuous following of standards required
Risk	License may be cancelled if non-compliant

Cost of BIS certification for FOOD MIXERS

The cost of BIS certification includes charges for application, inspection, license, testing, and marking. These fees are paid to BIS as per Scheme I guidelines.

Indian Manufacturers

No.	Major Charges	Particulars	Amount	Remark
1.	BIS Fees	Application Fee	INR 1,000
		Audit Charges	INR 7,000
		License Fee	INR 1,000
		Marking Fee	Depends on product	Discount as per MSME
2.	Testing Charges	Sample Testing Fee	As Applicable	Payable to a BIS-approved laboratory
3.	EVTL India Service Fee	Consultancy & Support	As per actual	Depends on product type and factory location

Foreign Manufacturers

No.	Major Charges	Particulars	Amount	Remark
1.	BIS Fees	Application Fee	USD 15	Payable via SWIFT to BIS. SAARC countries can pay INR with 18% GST
		Audit Charges	USD 3,200 - 5,900	Depend on Country
		License Fee	USD 15
		Marking Fee	Depends on product
2.	Testing Charges	Sample Testing Fee	As Applicable	Payable to a BIS-approved laboratory
3.	EVTL India Service Fee	Consultancy & Support	As per actual	Based on product and manufacturing location

Note: Additional costs such as pre-testing or factory pre-inspection may apply. The total cost may vary depending on product type, testing requirements, and current BIS guidelines.

Conclusion

BIS certification for domestic electric food mixers and centrifugal juicers as per IS 4250:2025 ensures that the product meets safety and quality requirements for proper and efficient performance. It confirms that the appliance is properly tested for electrical safety, durability, and operation, making it safe for everyday household use. With the support of an experienced BIS consultant like EVTL India, manufacturers can complete the certification process smoothly, avoid delays, and get faster approval without compliance issues.