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Help CenterABB 5SHX19L6020 IGCT Gate Unit – Robust, Fiber‑optic Driver for High‑power Converters
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Warranty: 365 days
Lead time: 1 week if in stock; no more than 1 month at the latest
Payment: 50% advance; full payment prior to delivery
Express options: FedEx, UPS, DHL
Pre‑shipment testing and visual inspection are included to reduce installation risk
Direct‑mount gate unit for IGCTs – Attaches to the press‑pack device, minimizing loop inductance and improving commutation margins.
Fiber‑optic command and feedback – Immune to EMC noise typical in MV switch cabinets; simplifies long‑distance control routing.
High peak gate current drive – Delivers fast turn‑on/turn‑off pulses for low losses and clean switching, especially under high dI/dt.
Integrated protection logic – Typically includes desaturation/overcurrent response, status indication, and safe‑off behavior on supply loss.
24 VDC supply – Common control power for industrial cabinets; simplifies retrofits.
Ruggedized for MV environments – Designed for operation across a wide temperature range with consistent timing behavior.
| Brand / Model | ABB 5SHX19L6020 (IGCT Gate Unit) |
| HS Code | 8543.70 (Electrical apparatus having individual functions, n.e.s.) |
| Power Requirements | 24 VDC ±10%; consumption typically 10–20 W during operation |
| Dimensions & Weight | Approx. Ø160 × 50 mm; ~1.2 kg (typical for this series) |
| Operating Temperature | −40 °C to +60 °C (operating), up to +85 °C (storage) in many cases |
| Signal Inputs/Outputs | Fiber‑optic ON/OFF command input, fiber‑optic status/feedback; NTC/temperature monitoring input; gate connection to IGCT |
| Communication Interfaces | Industrial fiber‑optic links (ST‑type connectors, Rx/Tx) |
| Installation Method | Direct mounting on press‑pack IGCT within the converter stack; clamp‑ring fastening; 24 VDC supply and FO routing to control rack |
| Typical Compatibility | ABB RC‑IGCT devices in the 4.5–6.5 kV class (verify exact device/frame pairing) |
This gate unit is typically used in:
Medium‑voltage drives for cement, mining, metals, and oil & gas compressors
Traction converters and auxiliary inverters
Static VAR compensators (SVC/STATCOM) and grid‑tied power quality systems
High‑power wind turbine converters and test benches
Large UPS and research pulse‑power converters
Reliability under real loads – Stable timing and strong gate pulses reduce mis‑turn‑off risks, especially during line dips.
Compatibility – Works with established ABB IGCT frames, so you can service existing stacks without redesigning the control rack.
Lower integration cost – Fiber‑optic isolation eliminates extra EMC filtering and simplifies cabinet wiring.
Predictable lifecycle support – ABB documentation and long‑term spares policy ease qualification and audits.
A drive OEM told us they swapped in 5SHX19L6020 on a 6‑pulse stack during a forced outage and had it synchronized within a shift; the fiber link and 24 V supply alignment saved them a full day of rewiring.
Installation & MaintenanceEnvironment – Install in a sealed MV cabinet with adequate ventilation or forced air. Keep away from conductive dust and condensation.
Mounting – Seat the gate unit squarely on the IGCT; apply the specified press‑pack clamping force. Verify flatness and cleanliness of mating surfaces.
Wiring – Provide a regulated 24 VDC supply; route fiber‑optic Rx/Tx clear of sharp bends and high‑EMI paths. Confirm polarity of FO channels before energizing.
Safety – De‑energize and discharge DC links before handling. Observe ESD precautions when connecting control leads.
Routine maintenance – Inspect connectors quarterly; clean dust with dry air; check FO signal levels; update firmware if applicable; verify temperature sensor readings during scheduled downtime.
Commissioning tips – Measure propagation delay and confirm interlock behavior with a low‑energy source first; then ramp to full current to validate margins.
Manufactured under ISO 9001 quality systems
CE marking; RoHS compliance for electronic assemblies
Typical conformity with relevant EMC and LV directives for industrial environments
Warranty: 12 months (365 days)
Note: Specifications above reflect typical values for the 5SHX gate unit series and seem to be consistent with fielded installations. If you’re pairing 5SHX19L6020 with a specific ABB IGCT part number, share the device code and we’ll confirm exact compatibility and mounting kit before shipment.
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