What is a Type Tested Panel? Why is the IEC 61439 Standard Important?

September 24, 2025. .

What is a Type Tested Panel? Why is the IEC 61439 Standard Important?

In electrical distribution systems, the most tangible proof of safety is that the switchboard is manufactured using a type-tested system. So what exactly is type testing?

What is a Type Test?

Type testing is the process of verifying the design of a switchgear system by subjecting it to real short-circuit, temperature rise, insulation, and mechanical strength tests in accredited laboratories. The IEC 61439 standard defines the framework for this verification.

Why is it important?

  • Proven safety: The behavior of the circuit breaker during a short circuit is based on test results, not guesswork.
  • Legal and contractual compliance: Most public and institutional specifications include type-tested panel requirements.
  • Insurance and liability: In the event of potential damage, documented production provides legal protection for the business.
  • Long lifespan: Verified thermal design extends component lifespan and reduces failure rates.

How is type-tested production ensured?

The manufacturer implements a type-tested system infrastructure (busbar layout, casing, ventilation, installation rules) under license and adheres to the system rules in every project. ElektroPanel, As a partner of EAE PanelMaster, we manufacture with this discipline; each panel undergoes routine testing before shipment.

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