Electro Modular

Understanding IEC 61439 and why It Matters

What is IEC 61439?
IEC 61439 is an international standard that governs the design, verification, and performance of low-voltage switchgear and controlgear assemblies. In simple terms, it ensures that electrical panels are built to operate safely and efficiently under real-world conditions.

What Does It Cover?
✔️ Temperature rise and heat management
✔️ Short-circuit strength
✔️ Electrical insulation and protection
✔️ Mechanical strength and durability
✔️ Degree of protection (IP ratings)

Why Is It Important?
• Safety First: Reduces risk of electrical faults, fires, and failures
• Reliability: Ensures consistent performance under load
• Compliance: Meets international best practices and regulatory expectations
• Peace of Mind: You know your system has been properly tested and verified
Type-Tested vs. Verified Assemblies

IEC 61439 requires that assemblies are design verified - either through testing, calculation, or comparison with tested designs - ensuring every system meets strict performance criteria.

At Electro Modular, we prioritize compliance with IEC 61439 standards by working with trusted global partners like Logstrup, delivering switchgear solutions that meet the highest levels of safety and performance.

Choosing IEC-compliant systems isn’t just about ticking boxes, it’s about protecting your people, your equipment, and your investment. Get in touch and we will assist with your choices: Tel - +27 (0) 13 752 8253 or Email - [email protected]

Modular systems & mounted panels | Logstrup switchboards & motor control centres Løgstrup Modular Systems IEC61439 switchboards, motor control centres, modular enclosures, modular Electrical Switchboards

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