IEC 62031: 2008 LED modules for general lighting-Safety specifications

The IEC 62031:2008 standard outlines essential safety and general requirements for light-emitting diode (LED) modules utilized in general lighting applications. It provides the framework for ensuring the safety, reliability, and performance of LED modules, which are becoming increasingly widespread in various lighting systems. Below are the main aspects covered in the standard:

Scope and Application
IEC 62031:2008 specifies safety requirements for two main types of LED modules:
• LED modules without integral control gear: Designed to operate under constant voltage, constant current, or constant power conditions, these modules do not include built-in power management components.
• Self-ballasted LED modules: These include modules with integrated power control designed for use with direct current (d.c.) supplies up to 250 V or alternating current (a.c.) supplies up to 1,000 V at 50 Hz or 60 Hz.

Safety Requirements
The standard covers various safety aspects related to the design and usage of LED modules. Key points include:
• Electrical Safety: Ensures that LED modules operate within safe voltage and current limits to prevent electrical hazards such as shock or fire.
• Thermal Management: Establishes requirements for effective heat dissipation to prevent overheating, which could compromise module performance or safety.
• Mechanical Safety: Specifies the physical construction and robustness of the LED modules to withstand normal handling and environmental conditions without risk of damage or failure.
• Protection Against Electric Shock: Details insulation, grounding, and protective measures to minimize the risk of electric shock to users.

Compliance with Performance Standards
The IEC 62031:2008 standard also references other performance criteria to ensure that LED modules meet appropriate efficiency and durability requirements. These references ensure consistency with associated IEC standards that govern electronic devices.

Classification of LED Modules
The standard defines LED modules according to their integration with control gear:
• Separate Control Gear Modules: Modules that require external control gear for operation.
• Self-Ballasted Modules: Modules with built-in control gear capable of connecting directly to power sources without additional components.

Marking and Documentation
Proper labeling and documentation are required under IEC 62031:2008 to provide clear information on:
• Electrical Ratings: Indicating the voltage, current, or power specifications.
• Manufacturer Details: Including brand, product number, and safety certifications.
• Instructions for Safe Use: Highlighting any limitations or guidelines necessary for the safe operation of the module.

Testing and Verification
The standard mandates a series of tests that LED modules must undergo to verify their compliance with safety and operational requirements. Common tests include:
• Temperature Testing: To verify that the module can operate safely under rated conditions.
• Electric Strength Test: To ensure sufficient insulation between conductive parts.
• Durability and Mechanical Impact Testing: To confirm the module can withstand shocks or stresses encountered during typical use.

Specific Requirements for Self-Ballasted Modules
Self-ballasted modules are held to additional safety standards due to their built-in power management:
• Internal Power Regulation: Ensures consistent performance even with fluctuations in supply voltage.
• Component Quality: Assesses the reliability of integrated components to prevent failure or degradation.

Conclusion
The IEC 62031:2008 standard serves as an essential guide for manufacturers and regulators, ensuring LED modules meet global safety benchmarks. By defining requirements for both non-integrated and self-ballasted LED modules, it provides a comprehensive framework to enhance user safety and product reliability.

LISUN supplies the fully test solutions for the following IEC 62031:2008, please see the below excel table：

IEC 62031:2008 Clause and Subject	LISUN Model
3.11 heat transfer temperature for LED module	TRS-1000
3.12 heat output to luminaire
Annex D Information for luminaire design (Figure D.1)
3.13 ultraviolet hazard efficacy of luminours radiation	LMS-6000UV
9. Provisons for protective earthing	WB2678A
11.Insuation Resistance test	WB2681A
12. Electric strength	WB2671B
16. Creepage distance and clearances	CK-1
18. Resistance to heat,fire	ZRS-3H
18. Resistance to tracking	TTC-1
19. Resistance to corrosion	YWX/Q-010
22 Photobiological safety	EN 62471-C