Sale!
5SHX2645L0004
5SHY3545L0014
5SHY3545L0014

ABB 5SHY35L4520 AC10272001R0101 IGCT Thyristor for MV Drives

  • Model: 5SHY35L4520 (also 5SXE10-0181 / AC10272001R0101)
  • Brand: ABB
  • Series: IGCT (Integrated Gate-Commutated Thyristor)
  • Core Function: High-power asymmetric switching thyristor
  • Product Type: Power Semiconductor (Press-Pack IGCT/GCT)
  • Key Specs: 4500 V VDRM, 4000 A ITGQM snubberless turn-off, 40 kN mounting force
  • Condition: New Original / New Surplus
Get a Quote
Categories: , , , , SKU: 5SHY35L4520 AC10272001R0101 Brand:

Description

Key Technical Specifications

  • Article Number: 5SHY35L4520 (alternative refs: 5SXE10-0181, AC10272001R0101)
  • Type: Asymmetric Integrated Gate-Commutated Thyristor (IGCT)
  • Repetitive Peak Off-State Voltage (VDRM): 4500 V (gate unit energized)
  • Turn-Off Current (ITGQM): 4000 A (snubberless)
  • Surge Current (ITSM): Typically high non-repetitive (consult full datasheet)
  • Mounting Force: 40 kN (typ; range 36–44 kN recommended)
  • Pole-Piece Diameter: 85 mm (±0.1 mm)
  • Housing Thickness (clamped): 25.7–26.2 mm
  • Weight: Approximately 2.9 kg
  • On-State Voltage Drop: Low (optimized conduction losses)
  • Frequency Range: Optimized for medium (<1 kHz)
  • Gate Unit: Integrated with status feedback, requires compatible drive gate supply
  • Operating Temperature: Wide range (junction typically -40 to +125 °C in qualified cooling; verify heatsink)
  • Applications: Voltage source inverters (VSI), current source inverters (CSI) in MV drives

Product Introduction

The ABB 5SHY35L4520 (5SXE10-0181 / AC10272001R0101) is an asymmetric IGCT power semiconductor in press-pack housing, rated for 4500 V blocking and snubberless turn-off at 4000 A. It fits medium-voltage applications such as industrial drives (e.g., ACS1000/ACS2000 series), traction, and power conversion where high reliability and low losses matter.

This device provides robust electromagnetic immunity, simple gate drive, and no external snubbers, cutting system complexity versus older GTO tech. Maintenance teams keep it in legacy MV converters for direct replacement, preserving performance without redesigning gate units or cooling.

5SHX2645L0004
5SHY35L4520

Installation & Configuration Guide

Stage 1: Pre-Installation Preparation (15–25 minutes) ⚠️ Safety First: Lock out/tag out MV sources. Discharge DC-link capacitors per drive manual (often 10–15 minutes). Use MV-rated PPE and verify zero voltage on press-pack contacts. Tools Required: Grounded ESD strap, torque wrench/force gauge for clamping, multimeter, IR thermometer, clean gloves, smartphone for photos. Data Backup: Document clamp force, gate unit connections, heatsink orientation, and series/parallel setup. Photograph pole-piece alignment and any markings.

Stage 2: Removing the Old Device (10–20 minutes)

  1. Confirm full isolation and discharge.
  2. Disconnect gate unit cables (label polarity carefully).
  3. Loosen clamp bolts evenly in cross pattern to reduce force gradually.
  4. Extract IGCT straight from stack—avoid tilting or scratching pole pieces.
  5. Inspect contact surfaces for pitting, contamination, or wear; note any anomalies. ⚠️ Note: Place old device on ESD surface for reference or return analysis.

Stage 3: Installing the New Device (20–30 minutes)

  1. Ground via ESD strap. Verify exact match: 5SHY35L4520 (check markings/serial).
  2. Configuration Clone (Crucial): No jumpers/DIPs; clean pole pieces with approved solvent. Apply minimal thermal interface if ABB specifies.
  3. Position in stack (correct anode/cathode orientation). Apply uniform force: torque to 40 kN typ (use calibrated jig or gauge).
  4. Reconnect gate unit cables securely. Self-Checklist: [ ] Force verified 36–44 kN, [ ] Surfaces clean/aligned, [ ] Gate polarity correct, [ ] No stack tilt.

Stage 4: Power-On & Testing (30–60 minutes) Pre-Power Check: Measure insulation (>100 MΩ typical) and continuity. Power-On Steps:

  1. Energize gate supply/low voltage first; confirm status feedback.
  2. Power drive in test/low-current mode; monitor waveforms if scoped.
  3. Ramp voltage/current gradually; check even sharing in multi-device strings.
  4. Perform thermal scan after load; verify no hotspots.
  5. Run full cycles including turn-off under load. ⚠️ Troubleshooting Note: Gate no feedback? Check supply/connections. Overcurrent trips? Re-clamp force or inspect alignment. Uneven temperature signals poor contact—re-clamp before full run.

Frequently Asked Questions (FAQ)

Is the 5SHY35L4520 hot-swappable? No. Requires complete drive shutdown, capacitor discharge, and clamp release. Live handling risks explosion-level failure or arc flash in MV.

Is this model obsolete, and is the stock genuinely new? Active legacy part for installed MV drives as of March 2026—no full obsolescence. Stock is new surplus from OEM channels or decommissioned systems—traceable, anti-counterfeit checked (serial/hologram), and tested on compatible setups with 24+ hour burn-in. Test reports/photos on request.

What is the direct replacement if this is out of stock? ABB may direct to newer 5SHY series variants (higher ratings or efficiency). Consult current semiconductor catalog or drive service bulletin—do not substitute without matching VDRM/ITGQM, gate compatibility, and thermal derating.

Will swapping affect drive parameters or firmware? No—pure power device; settings live in drive controller. Swap keeps logic intact. Re-validate gate feedback and current sharing post-install.

Why is the price lower than ABB direct? Genuine new surplus from excess or retired stock—no new-build premium. Passes full QC: visual/pole inspection, Megger (>10 MΩ), clamp verification, gate trigger simulation. Matches factory performance with 1-year warranty.

Does this support series connection or special cooling? Yes—common in series for higher voltage blocks (derate per ABB guidelines). Needs forced-air/liquid cooling to stay within thermal limits. High snubberless rating fits most VSI/CSI; confirm dv/dt and di/dt for your application.

Related products