Overview

The ABB 5SHX26L4520 is a Reverse‑Conducting IGCT (RC‑IGCT) module designed for high‑power industrial automation and utility systems. It combines the rugged durability of a thyristor with the controllability of an IGBT, delivering efficient switching, low energy losses, and reliable performance in demanding environments.

The module features an integrated reverse‑conducting diode, which reduces component count, simplifies system design, and improves overall efficiency. It is optimized for medium‑frequency converters, HVDC transmission systems, and large motor drives, providing long service life in mission‑critical applications.

Technical Data

Typical Applications

• HVDC transmission systems requiring efficient high‑power switching for grid stability.

• Large motor drives in steel mills, mining, and heavy industrial processes.

• Medium‑frequency converters supporting renewable energy integration and advanced automation.

• Traction systems in rail and transportation requiring robust and reliable power electronics.

• Industrial automation platforms where long service life and reduced maintenance costs are critical.

FAQ

Q1: What makes the ABB 5SHX26L4520 unique compared to standard thyristors?
A1: It integrates a reverse‑conducting diode, reducing system complexity and improving efficiency.

Q2: Can this module operate in medium‑frequency applications?
A2: Yes, it is optimized for converters and drives operating below 1 kHz.

Q3: How does the module improve system reliability?
A3: Snubberless turn‑off capability, strong electromagnetic immunity, and compact design enhance reliability.

Q4: Is the module suitable for series connection?
A4: Yes, ABB provides options for series connection to meet higher voltage requirements.

Q5: Which industries typically use this IGCT module?
A5: Power transmission, renewable energy, heavy industry, and rail traction systems rely on it for stable operation.