Industrial Drive & Motion Control Solution – Siemens A5E39021149 | SINAMICS Series
Where This Product Is Used
The Siemens A5E39021149 SINAMICS Power Unit is engineered for demanding industrial environments where precise motor control and reliable power conversion are non-negotiable. Typical deployment scenarios include:
- CNC Machine Tools – Spindle and axis drive power supply in high-precision machining centers
- Automated Production Lines – Conveyor, robotic arm, and servo-axis power conditioning in automotive and electronics manufacturing
- Packaging Machinery – High-cycle servo drive power for form-fill-seal and cartoning equipment
- Crane & Hoist Systems – Regenerative power unit for overhead cranes and port logistics equipment
- Pump & Fan Drives – Variable-speed drive power modules in HVAC, water treatment, and process industries
- Printing & Converting Equipment – Tension-controlled web drive systems requiring stable DC bus power
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | A5E39021149 |
| Manufacturer | Siemens AG |
| Series | SINAMICS |
| Module Type | Power Unit |
| Weight | 80 g (module only) |
| Condition | New / Surplus / Refurbished (specify on inquiry) |
| Origin | Germany / EU |
| Compatibility | SINAMICS S120 / G120 / S150 drive family (confirm with datasheet) |
Note: Full electrical ratings (voltage, current, power class) are available on the official Siemens datasheet. Contact us to confirm compatibility with your specific drive configuration.
Why Engineers Specify This Model
- OEM-Grade Reliability – Manufactured to Siemens’ IEC/EN production standards, ensuring drop-in compatibility with existing SINAMICS drive cabinets
- Reduced Downtime – Stocking this power unit as a critical spare eliminates multi-week lead times during unplanned failures
- Verified Part Number – A5E39021149 is a Siemens-assigned article number; no cross-reference ambiguity
- Broad Drive Family Support – Compatible across multiple SINAMICS platform variants, simplifying spare-parts inventory management
- Traceability – Each unit ships with documentation supporting maintenance records and audit requirements
Complete System Bill of Materials
For a fully operational SINAMICS drive system, engineers typically specify the following alongside the A5E39021149 Power Unit:
- SINAMICS Control Unit (CU320-2 DP / CU320-2 PN)
- Line Module (Active Line Module or Basic Line Module)
- Motor Module (Single-Axis or Double-Axis)
- DRIVE-CLiQ cables and signal cables
- Braking resistor or regenerative feedback unit (application-dependent)
- Siemens SIMOTICS servo or induction motor
- Cabinet mounting hardware and bus adapters
Contact Konmask for bundled BOM sourcing and volume pricing.
Compliance & Industry Standards
- CE Marked – Compliant with EU Low Voltage Directive (LVD) and EMC Directive
- UL/cUL Listed (where applicable to product variant)
- RoHS Compliant – Meets EU Directive 2011/65/EU on restriction of hazardous substances
- ISO 9001 Manufacturing – Produced under Siemens’ certified quality management system
- IEC 61800 Series – Adjustable speed electrical power drive systems standard
Quality Assurance & Sourcing
Konmask.com sources industrial automation components through verified supply channels. Every unit undergoes the following before dispatch:
- Visual inspection for physical damage, label integrity, and connector condition
- Part number verification against Siemens article database
- Functional test where test equipment is available
- Anti-static packaging with humidity indicator card
- Photographic documentation available on request
We do not list counterfeit, remarked, or unverified components. If a unit does not pass our inspection, it is not listed for sale.
How to Source This Part
- Add to Cart – Place your order directly on Konmask.com for standard lead times
- Request a Quote – For volume orders (>5 units) or urgent requirements, email support@konmask.com
- Confirm Compatibility – Share your drive cabinet nameplate data and we will verify fit before shipment
- Shipping – DHL / FedEx international express available; EXW Xiamen, China
- Lead Time – In-stock units ship within 1–3 business days; sourced units 7–21 days
Application-Specific FAQ
Q: Is the A5E39021149 compatible with my existing SINAMICS S120 booksize cabinet?
A: In most configurations, yes. Please share your drive order number (e.g., 6SL3…) so we can confirm the exact power class and frame size match.
Q: Can this power unit be used as a direct replacement for a failed unit?
A: Yes, provided the replacement unit matches the original’s power rating and firmware revision. We recommend consulting the Siemens SINAMICS commissioning manual before installation.
Q: Do you provide a warranty?
A: New and surplus units carry a 90-day functional warranty. Refurbished units carry a 180-day warranty. Terms available on request.
Q: Can you source other Siemens SINAMICS components?
A: Yes. Konmask specializes in Siemens automation components including SIMATIC PLCs, SINAMICS drives, SIRIUS motor starters, and HMI panels. Contact us with your full BOM.
Q: What is the minimum order quantity?
A: MOQ is 1 unit. Volume discounts apply for orders of 3 units or more.
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