Industrial Drive & Power Conversion Solution — FUJI Electric 6RI50E-060 | 6RI Series
Where This Product Is Used
The FUJI 6RI50E-060 is a three-phase rectifier bridge module rated at 50A / 600V, engineered for demanding industrial power conversion environments. Typical deployment scenarios include:
- Variable Frequency Drives (VFDs) & Inverters — AC-to-DC front-end rectification in motor drive systems for pumps, fans, compressors, and conveyors.
- Industrial UPS & DC Power Supplies — Reliable rectification stage in uninterruptible power systems protecting PLCs, DCS controllers, and SCADA panels.
- Servo Drive Systems — DC bus charging in servo amplifiers used in CNC machining centers, robotic arms, and precision positioning stages.
- Welding Equipment — High-current rectification in MIG/TIG welding power sources and resistance welding controllers.
- Elevator & Crane Control Panels — Power module in regenerative drive systems requiring robust three-phase rectification.
- Renewable Energy Inverters — Grid-tie and off-grid inverter front-end rectification in solar and wind power conditioning systems.
Technical Specifications
| Part Number (SKU) | 6RI50E-060 |
| Manufacturer | FUJI Electric Co., Ltd. |
| Series | 6RI Series (Three-Phase Bridge Rectifier) |
| Module Type | Three-Phase Rectifier Bridge (6-Pulse) |
| Repetitive Peak Reverse Voltage (VRRM) | 600 V |
| Average Output Current (IO) | 50 A |
| Configuration | 6-diode bridge (3-phase full-wave) |
| Package / Housing | Isolated base module (bolt-down) |
| Weight | 4,560 g (module + heatsink assembly) |
| Cooling | Heatsink / forced air (application-dependent) |
| RoHS Compliance | Refer to FUJI Electric datasheet |
Why Engineers Specify This Model
- Proven 6RI Series Reliability — FUJI Electric’s 6RI platform has decades of field history in industrial drives across Asia, Europe, and North America.
- High Surge Current Capability — Handles inrush and fault transients typical in motor-start and capacitor-bank charging cycles.
- Compact Bolt-Down Package — Simplifies heatsink mounting and bus-bar connection in tight drive enclosures.
- Drop-In Replacement Compatibility — Dimensionally and electrically compatible with equivalent modules from Semikron, Vishay, and other 6RI-footprint suppliers, reducing redesign risk.
- Low Forward Voltage Drop — Minimizes conduction losses and thermal load on the heatsink, extending system MTBF.
Complete System Bill of Materials
For a complete three-phase rectifier front-end assembly, engineers typically specify:
- FUJI 6RI50E-060 — Rectifier bridge module (this item)
- Three-phase AC line reactor (3–5% impedance) — for harmonic mitigation
- DC bus capacitor bank — electrolytic bulk capacitors for voltage smoothing
- NTC inrush current limiter or soft-charge relay — for capacitor pre-charge
- Thermal interface pad or compound — between module base and heatsink
- Heatsink + fan assembly — sized to module thermal resistance (Rth)
- DC bus fuses or fast-acting semiconductor fuses — for short-circuit protection
Compliance & Industry Standards
- Designed and manufactured under FUJI Electric’s ISO 9001-certified quality management system.
- Suitable for use in equipment targeting IEC 61800 (adjustable speed electrical power drive systems) compliance.
- Compatible with UL 508A industrial control panel designs when properly fused and mounted per datasheet guidelines.
- RoHS / REACH status: consult current FUJI Electric product compliance documentation for export classification.
Quality Assurance & Sourcing
At Konmask.com, every FUJI Electric module is:
- Sourced through verified industrial distribution channels with full traceability.
- Inspected for authentic FUJI Electric markings, date codes, and packaging integrity before dispatch.
- Stored in ESD-safe, climate-controlled warehousing to preserve junction integrity.
- Shipped with original manufacturer packaging where available.
We specialize in hard-to-find and long-lead industrial power modules for MRO, OEM, and system integrator customers.
How to Source This Part
- Add to Cart — Immediate checkout for stocked units.
- Request a Quote — For volume orders (5+ units), contact support@konmask.com for tiered pricing.
- Lead Time — In-stock units ship within 1–3 business days. Out-of-stock lead time: 2–6 weeks depending on FUJI Electric allocation.
- Export & Cross-Border — We ship globally. Contact us for HS code documentation, commercial invoices, and export compliance support.
Application-Specific FAQ
Q: Can the 6RI50E-060 replace a Semikron SKD 51/06 or equivalent?
A: In most cases yes — the 6RI50E-060 shares the same 6-pulse bridge topology and similar voltage/current ratings. Always verify pinout, mounting hole pattern, and thermal resistance against your specific heatsink design before substitution.
Q: What heatsink thermal resistance is required?
A: Refer to the FUJI Electric 6RI50E-060 datasheet for junction-to-case (Rth j-c) values. As a guideline, target a total thermal resistance (junction-to-ambient) that keeps Tj below 125°C at maximum continuous load.
Q: Is this module suitable for single-phase input?
A: No. The 6RI50E-060 is a three-phase (6-pulse) bridge. For single-phase applications, a 2RI or 4-diode bridge module is required.
Q: Do you provide FUJI Electric datasheets?
A: Yes. Contact support@konmask.com and reference SKU 6RI50E-060 to request the official datasheet and application notes.
Q: Can I order a sample unit for evaluation?
A: Single-unit orders are accepted. Add to cart or contact us for expedited sample processing.
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