What is the UL1431 Certification Standard?

Why Obtain UL1431 Certification?

UL1431 is a safety standard established by Underwriters Laboratories (UL) for personal hygiene and healthcare devices. Amazon US requires electric toothbrushes to comply with the UL1431 standard and provide relevant UL certification or test reports.

UL 1431 Testing Items:

- Room temperature short circuit test

- 55°C short circuit test

- Overcharge test

- Compression test

- Heavy impact test

- Mechanical impact test

- Vibration test

- Thermal chamber test

- Temperature shock test

- High-altitude simulation test

- Ejection test, etc.

Scope of UL1431 Certification for Healthcare Devices:

1. The UL1431 standard covers household electrical products used for personal hygiene or healthcare, such as:

- Water pressure massage devices

- Contact lens disinfectants and cleaners

- Electric toothbrushes with a rated voltage of 250V or lower, designed for locations compliant with national electrical codes.

2. The UL1431 standard does not include:

- Professional medical and dental equipment

- Electric heating pads

- Facial saunas

- Tanning beds and heat lamps

- Permanently installed whirlpool bathtubs, spas, and hot tubs

- Shavers, hair dryers, steam and dry heat cabinets

- Any other equipment or products with separate standard requirements.

3. The UL1431 standard does not consider the full range of physiological or therapeutic effects, whether beneficial or harmful, unless the standard explicitly defines a commonly recognized limit related to potential injury risks.

RequiRED Submission Documents:

1. Product Name – Provide the full product name.

2. Product Model – List all product models, variants, or classification numbers subject to testing.

3. Product Nameplate – Include model number, electrical parameters, manufacturer information, production date, and UL marking.

4. Intended Use – Specify whether the product is for household/commercial use, indoor/outdoor applications, etc.

5. Parts List – Provide a detailed list of product components, including model numbers, ratings, and manufacturer names.

6. Electrical Performance – For electronic and electrical products, provide electrical schematics (circuit diagrams) and PCB layouts.

7. Structural Drawings – For most products, submit structural or exploded diagrams, along with a bill of materials.

8. User Manual and Installation Instructions – Include product usage and installation guides.

UL1431 Certification Process:

1. Confirm the testing standard and send two product samples.

2. Fill out the application form (including company and product details).

3. Receive the quotation, sign the contract, stamp, and complete payment.

4. Once the company receives the samples, testing begins (typically 5-7 working days, with expedited options available).

5. After passing the test, a draft report is issued for confirmation.

6. Upon confirmation, the final report is issued, and assistance is provided for platform upload and approval.