ABB 5SHX0660F0001 Thyristor Module – High-Power Rectification for Industrial Drives

If you’re working on medium-voltage drive systems or large-scale rectifier stacks, the ABB 5SHX0660F0001 is one of those components that tends to show up in reliable, high-duty-cycle applications. It’s a press-pack thyristor designed for series connection in HVDC and industrial power conversion setups. One thing I appreciate is how robust it feels—no housing, just direct cooling contact points, which makes thermal management more efficient but also means your mounting process needs to be precise.

Key Features

• Press-Pack Design: Eliminates the need for bolts or clamps—relies on uniform pressure across electrodes, which typically reduces mechanical stress and improves current sharing in parallel configurations.
• High Surge Current Rating: Rated for short-term overloads up to 75 kA (depending on pulse duration), making it suitable for fault-tolerant systems where transient events are a concern.
• Optically Triggered Option Compatible: While this model isn’t optical itself, it integrates well with optically controlled triggering units in high-noise environments, reducing EMI sensitivity.
• Double-Sided Cooling: Enables better heat dissipation compared to traditional fin-cooled modules—especially useful when integrated into water-cooled stacks.
• Series-Ready Voltage Class: Designed to operate at blocking voltages up to 6.5 kV, allowing multiple units to be stacked in series without complex grading circuits—in many cases.

Technical Specifications

Application Fields

This module pops up most often in heavy-duty rectifier bridges—think aluminum smelting plants, mining hoists, or urban rail traction substations. From my experience, it’s commonly used in 6-pulse and 12-pulse converter stations where redundancy and long service life matter more than initial cost. Some customers have also deployed it in dynamic reactive power compensation systems (like SVCs), especially when retrofitting older installations originally built with similar ABB thyristor generations.

Advantages & Value

You might notice that sourcing exact replacements for aging thyristor stacks can get tricky—especially if OEM support has dried up. The 5SHX0660F0001 still sees active production runs, so lead times are manageable. In procurement terms, buying these in matched strings helps ensure voltage balancing across series connections, which reduces field failures down the line. There’s also value in knowing ABB provides full test reports (including VTO, leakage, and hardness) with each batch, which simplifies QA during commissioning.

Installation & Maintenance

Mounting requires a clean, flat surface and calibrated hydraulic pressing equipment—don’t try to torque it down manually. Typically, manufacturers recommend an electrode force between 70–90 kN per unit, depending on stack configuration. Make sure the cooling system uses deionized water with conductivity below 5 μS/cm, otherwise corrosion or tracking becomes a real risk over time. Routine checks should include infrared thermography during full-load testing and periodic cleaning of insulating surfaces to prevent flashover.

Quality & Certifications

The unit complies with IEC 60747-6 and carries CE marking. It’s RoHS compliant and manufactured under ISO 9001-certified processes. Each module undergoes individual electrical screening before shipment. Our warranty covers defects in materials and workmanship for 365 days from delivery—though it doesn’t extend to damage caused by improper installation or overvoltage incidents.

Ordering & Delivery Notes

Most orders ship within one week if in stock. For larger batches (e.g., full converter quadrant sets), allow up to four weeks. We require 50% advance payment, with the balance due before dispatch. All units are shipped via FedEx, UPS, or DHL—fully insured and tracked. If you’re replacing legacy modules, feel free to send us your old unit’s serial or test data; we can cross-check compatibility before shipping.