Danfoss 175H3828 (DT5 / 175H7068) Power Board – VLT FC Series Variable Frequency Drive
When a power board fails inside a Danfoss VLT frequency converter, the entire drive goes dark. Production lines halt, motors lose control, and every minute of unplanned downtime translates directly into lost revenue and missed delivery commitments. The Danfoss 175H3828 DT5 / 175H7068 Power Board is the critical internal assembly that manages DC bus power distribution, gate-drive signals to the IGBT modules, and protective feedback loops — without it, the drive simply cannot operate.
Within the VLT FC Series platform, the 175H3828 (also cross-referenced as DT5 and 175H7068) occupies the mid-to-high power tier, designed for demanding industrial environments where thermal stability and signal integrity are non-negotiable. Danfoss VLT drives are deployed across more than 100 countries and are the benchmark for energy-efficient motor control in HVAC, water treatment, material handling, and process automation — making genuine replacement boards like this one essential to global maintenance supply chains.
Technical Specifications
- Part Number: 175H3828
- Cross Reference / Variant: DT5 | 175H7068
- Compatible Drive Series: Danfoss VLT FC Series (FC-302 / FC-202 and related platforms)
- Component Type: Power Board (Internal Drive PCB Assembly)
- Function: DC bus power distribution, IGBT gate drive, protection feedback
- Weight: 4,460 g (as shipped)
- Condition: New / Surplus New (OEM)
- Origin: Danfoss OEM Supply Chain
Key Features & Benefits
- OEM-Identical Design: Direct plug-in replacement — no firmware re-flashing or mechanical modification required.
- Dual Part-Number Coverage: Satisfies procurement orders raised under either 175H3828 or 175H7068, eliminating sourcing confusion.
- Thermal & EMC Robustness: Engineered to Danfoss’s industrial-grade PCB standards for operation in high-vibration, high-humidity environments.
- Fast Dispatch: In-stock units ship within 1–3 business days; expedited freight available on request.
- Traceability: Each unit ships with full documentation to support your maintenance records and ISO audit trails.
Industry & Equipment Applications
- HVAC & Building Automation: Chiller compressors, AHU fans, cooling tower pumps controlled by VLT HVAC Drive FC-102.
- Water & Wastewater: Booster pump stations and aeration blowers running on VLT AQUA Drive FC-202.
- Material Handling & Logistics: Conveyor drives, palletizers, and sortation systems using VLT AutomationDrive FC-302.
- Marine & Offshore: Deck machinery and pump drives certified for harsh marine environments.
- Food & Beverage Processing: Hygienic-area drives requiring reliable power-stage components with minimal downtime risk.
- Oil & Gas / Chemical: Process pump and compressor drives in hazardous-area installations.
System Integration & Compatible Parts
The 175H3828 Power Board interfaces directly with the following Danfoss VLT drive sub-assemblies. When performing a board-level repair, consider inspecting or replacing these companion components:
- Control Card (LCP interface board)
- IGBT Power Module stack
- Gate Drive Board
- Rectifier / Brake Chopper Module
- Fan Assembly & Thermal Management Unit
Contact our technical team for a full BOM cross-reference if you are undertaking a complete drive refurbishment.
Our Quality Assurance Process
- Visual Inspection: Every board is examined for physical damage, burnt components, and PCB delamination before listing.
- Functional Verification: Where test rigs are available, boards undergo powered bench testing against Danfoss reference parameters.
- Anti-Static Packaging: Shipped in ESD-safe bags with foam cushioning inside double-wall cartons.
- Authenticity Check: Part markings, date codes, and manufacturer labels are verified against Danfoss OEM documentation.
How to Order
- Submit an RFQ (Request for Quotation) via the form on this page or email [email protected].
- Include your drive nameplate data (model, power rating, serial number) to confirm compatibility.
- Receive a formal quotation with lead time, freight options, and payment terms within 24 business hours.
- Confirm the order — we handle export documentation, commercial invoice, and packing list for international shipments.
Why Choose Konmask.com?
- 🔧 Industrial Automation Specialists: We focus exclusively on PLC, DCS, VFD, and servo drive components — not a generalist marketplace.
- 🌍 Global Export Experience: Serving MRO buyers, system integrators, and OEM service centers across Europe, Southeast Asia, the Middle East, and the Americas.
- 📦 Reliable Logistics: DHL Express, FedEx, and sea freight options with full tracking and export compliance support.
- 🤝 B2B Inquiry-First Model: No pressure to buy online — we work with your procurement process, including PO-based ordering and NET payment terms for qualified accounts.
- ✅ Transparent Sourcing: We disclose condition, origin, and test status for every part — no surprises on arrival.
Frequently Asked Questions
Q: Is 175H3828 the same as 175H7068?
A: Yes. Both part numbers refer to the same power board assembly. 175H7068 is a Danfoss cross-reference or revision designation (DT5) for the same functional unit. Either number can be used on your purchase order.
Q: Which VLT drive models use this power board?
A: This board is associated with the Danfoss VLT FC Series platform. Please share your drive’s full model number and nameplate data so our engineers can confirm fitment before you order.
Q: Do you offer a warranty?
A: Yes. We offer a standard 90-day functional warranty on all tested units. Extended warranty options are available — contact us for details.
Q: Can you ship to my country?
A: We export worldwide. We handle all export documentation including commercial invoice, packing list, and certificate of origin where required.
Q: What is the lead time?
A: In-stock units typically ship within 1–3 business days. For out-of-stock items, lead time is quoted individually based on current sourcing status.
Q: Can I return the part if it doesn’t fit?
A: Please confirm compatibility with our team before ordering. We accept returns for incorrectly supplied parts within 7 days of receipt, subject to inspection.
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