Siemens A5E42881719 Power Unit | Replacement, Equivalent & Selection Guide
The Siemens A5E42881719 is a Power Unit designed for use within the SINAMICS S120 drive system platform. This component provides regulated DC-link power conversion for servo and vector drive applications in demanding industrial automation environments. Konmask.com supplies genuine and compatible-grade A5E42881719 units with full traceability for B2B industrial buyers worldwide.
Technical Specifications
- Part Number: A5E42881719
- Manufacturer: Siemens AG
- Product Family: SINAMICS S120
- Component Type: Power Unit
- Application: AC/DC power conversion for drive systems
- Mounting: Booksize / Chassis (confirm with Siemens documentation for exact frame size)
- Cooling: Internal fan / forced air (application-dependent)
- Communication Interface: DRIVE-CLiQ (SINAMICS ecosystem)
- Compliance: CE, UL (verify current certification status with Siemens)
Note: Always cross-reference the Siemens SINAMICS S120 hardware manual for full electrical ratings before installation.
Compatible Replacement & Equivalent Models
When the A5E42881719 is unavailable or discontinued, the following Siemens part numbers may serve as functional equivalents depending on your drive configuration. Always verify frame size, power rating, and firmware compatibility before substitution.
- Siemens A5E36099478 – Earlier-generation S120 Power Unit (verify rating match)
- Siemens A5E44649798 – Potential successor SKU (confirm with Siemens BOM)
- Siemens 6SL3120-series modules – Standard S120 Motor Modules as functional alternatives for specific topologies
- Third-party compatible units – Available upon request; must match DC-link voltage, current rating, and DRIVE-CLiQ interface
Contact support@konmask.com with your existing drive configuration for a verified cross-reference.
Why Choose the Original A5E42881719
- ✅ Guaranteed compatibility within the SINAMICS S120 ecosystem
- ✅ DRIVE-CLiQ plug-and-play – automatic parameter recognition
- ✅ Siemens firmware support – eligible for STARTER / TIA Portal updates
- ✅ Traceable manufacturing – full Siemens quality assurance chain
- ✅ Reduced commissioning risk – no compatibility validation required
Typical Applications
- CNC machine tool spindle and axis drives
- Packaging and printing machinery
- Conveyor and material handling systems
- Robotics and multi-axis servo systems
- Textile, plastics, and process automation lines
System Compatibility
- Drive Platform: Siemens SINAMICS S120
- Control Units: CU320-2 DP / CU320-2 PN and compatible CU variants
- Interface: DRIVE-CLiQ
- Engineering Software: STARTER, SINAMICS Startdrive (TIA Portal V14+)
- Bus Systems: PROFIBUS DP, PROFINET IO (via control unit)
Selection Guide
Use the checklist below to confirm the A5E42881719 is the correct unit for your application:
- ☐ Confirm existing part number on the drive label matches A5E42881719
- ☐ Verify DC-link voltage and rated output current match your motor requirements
- ☐ Check frame size (Booksize / Chassis) fits your cabinet layout
- ☐ Confirm DRIVE-CLiQ cable routing and firmware version compatibility
- ☐ Review Siemens SINAMICS S120 hardware manual Section: Power Units
Not sure? Send your existing drive nameplate photo to support@konmask.com for a free selection review.
Quality Assurance & Sourcing
- Source: Authorized distribution channels and verified surplus stock
- Inspection: Visual, functional, and label authenticity check prior to shipment
- Packaging: Anti-static ESD packaging with original or equivalent protective materials
- Warranty: 12-month replacement warranty on stocked units
- Traceability: Batch records and supplier documentation available on request
How to Order
- Add Siemens A5E42881719 to cart and proceed to checkout, or
- Email support@konmask.com with quantity and delivery requirements
- For bulk / project orders (>5 units), request a formal quotation for best pricing
- Lead time: In-stock units ship within 1–3 business days; sourced units 7–21 days
Replacement & Compatibility FAQ
Q: Can I replace A5E42881719 with a 6SL3120-series module?
A: Possibly, but only if the power rating, frame size, and DRIVE-CLiQ interface match. Contact us for a verified cross-reference.
Q: Is this unit compatible with SINAMICS S150 or G120?
A: The A5E42881719 is designed for the S120 platform. Compatibility with S150 or G120 is not confirmed — please verify with Siemens documentation.
Q: Do you supply refurbished units?
A: We supply new and tested-surplus units. All units are inspected before shipment. Refurbished options available on request.
Q: What if my exact replacement is not listed?
A: Send us your drive configuration details and we will identify the correct equivalent from our catalog.
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