ABB 5SHY35L4520 Asymmetric Integrated Gate-Commutated Thyristor

The ABB 5SHY35L4520, also cataloged as the 5SHY35L4520 Asymmetric Integrated Gate-Commutated Thyristor, operates as a dedicated hardware component for high-power medium-frequency switching within industrial drive platforms.

Suffix Breakdown & Model Matrix

• 5SHY35L4520: Base model designation succeeding the 5SHY35L4510 platform, featuring a 4500 V blocking voltage and 4000 A turn-off current rating.

Hardware Specifications

Industrial Control & Drives Characteristics

• Backplane bus communication velocity Licences: Not applicable; features a direct control interface with status feedback.
• Profinet / EtherNet/IP deterministic networks: High electromagnetic immunity ensured for harsh medium-frequency conversion environments.
• I/O density scaling: High snubberless turn-off rating enabling high-power semiconductor topology optimization.
• Firmware flash compatibility: Simple control interface matching high-frequency drive requirements with optional series connection capabilities.

Frequently Asked Questions

Q: What is the specified mechanical mounting force required for this IGCT module?

A: The unit requires a precise mounting force of 40 kN to ensure correct thermal and electrical contact resistance.

Q: Can multiple units be configured in series for higher system voltage requirements?

A: Yes, the device provides an option for series connection depending on external voltage-sharing configurations.

Field Installation Guidelines

Ensure that the semiconductor pole pieces and heatsink mating surfaces are meticulously cleaned and coated with an approved thermal compound before assembly. Apply uniform clamping pressure up to the 40 kN threshold using a calibrated press tool to prevent mechanical damage to the ceramic package. Verify proper electrical clearances relative to adjacent busbars prior to energizing the high-voltage circuit.