SIEMENS 6SE6440-2AD31-1CA1 Input Filter Module – MICROMASTER 440 Series
When an industrial drive system operates without a proper input filter, the consequences extend far beyond simple electrical noise. Unfiltered harmonics propagate back into the power grid, triggering nuisance trips in neighboring equipment, corrupting sensor signals on shared bus systems, and accelerating insulation degradation in motors and transformers. In high-precision manufacturing environments—CNC machining centers, pharmaceutical filling lines, or automated packaging systems—even a brief, unexplained fault can halt an entire production cell and cost thousands in downtime. The SIEMENS 6SE6440-2AD31-1CA1 input filter is the engineered solution that stands between your drive and these costly disruptions.
The 6SE6440-2AD31-1CA1 is a factory-matched input filter designed specifically for the SIEMENS MICROMASTER 440 series of variable frequency drives—one of the most widely deployed AC drive platforms in global industrial automation. As a purpose-built accessory within the MM440 ecosystem, this filter ensures full EMC compliance (EN 61800-3 Category C2/C3) without requiring additional engineering adaptation, making it the preferred choice for OEM machine builders and plant engineers who demand plug-and-play reliability in demanding industrial environments.
Technical Specifications
- Part Number: 6SE6440-2AD31-1CA1
- Series: MICROMASTER 440 (MM440)
- Manufacturer: SIEMENS AG
- Type: Input Line Filter / EMC Filter
- EMC Standard: EN 61800-3, Category C2 / C3
- Mounting: DIN rail / panel mount (compatible with MM440 frame size)
- Weight: 5.48 kg
- Condition: New / Refurbished available
Note: Detailed electrical ratings (voltage, current, frequency) should be verified against the official SIEMENS MM440 documentation or confirmed with our technical team prior to ordering.
Key Features & Benefits
- Factory-Matched Design: Engineered specifically for the MM440 drive family—no guesswork on compatibility.
- EMC Compliance: Meets EN 61800-3 Category C2/C3, enabling CE-marked machine exports to EU markets.
- Harmonic Reduction: Suppresses high-frequency conducted emissions, protecting sensitive instrumentation on shared power rails.
- Plug-and-Play Integration: Direct mechanical and electrical interface with MM440 drive enclosures—minimal installation time.
- Grid Protection: Reduces reflected harmonics back to the utility supply, protecting upstream transformers and switchgear.
- Long Service Life: Robust construction rated for continuous industrial duty cycles.
Industry & Equipment Applications
- Manufacturing: CNC machining centers, injection molding machines, conveyor systems
- Food & Beverage: Filling lines, mixers, packaging equipment requiring EMC-clean environments
- HVAC & Building Automation: Variable-speed pump and fan drives in commercial buildings
- Water Treatment: Pump stations and aeration blowers with shared power infrastructure
- Automotive: Assembly line drives and test bench equipment
- Pharmaceutical: Cleanroom HVAC and process equipment with strict EMC requirements
System Integration & Compatible Parts
The 6SE6440-2AD31-1CA1 is designed to integrate seamlessly within the SIEMENS MICROMASTER 440 drive system. Compatible and commonly paired components include:
- SIEMENS MICROMASTER 440 VFDs (6SE6440-xxxx series)
- MM440 output filters and line reactors
- SIEMENS SINAMICS G120 series (consult compatibility chart)
- MM440 operator panels: BOP (Basic Operator Panel), AOP (Advanced Operator Panel)
- PROFIBUS / USS communication modules for MM440
Contact our technical team to confirm exact compatibility with your drive frame size and power rating.
Our Quality Assurance Process
- Source Verification: All parts are sourced from authorized distributors or directly from SIEMENS-certified supply chains.
- Incoming Inspection: Each unit undergoes visual inspection, label verification, and functional checks before dispatch.
- Authentic Packaging: Products ship in original or equivalent protective packaging with full traceability documentation.
- Warranty: 12-month warranty against manufacturing defects on new units; 90-day warranty on refurbished stock.
How to Order
- Submit an inquiry via the “Request a Quote” button on this page.
- Provide your required quantity, delivery timeline, and destination country.
- Our team will respond within 24 business hours with pricing, lead time, and shipping options.
- Upon confirmation, we issue a proforma invoice and arrange secure international shipping (DHL, FedEx, UPS, or sea freight).
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation: 10+ years sourcing SIEMENS, ABB, Schneider, Mitsubishi, and Omron components.
- ✅ Global B2B Export: Serving OEMs, system integrators, and MRO buyers in 50+ countries.
- ✅ Technical Support: Our engineers can assist with part selection, cross-referencing, and system compatibility.
- ✅ Competitive Pricing: Direct sourcing relationships enable cost-effective pricing for bulk and repeat orders.
- ✅ Fast Response: Dedicated export team with multilingual support (English, Chinese).
Frequently Asked Questions
Q: Is the 6SE6440-2AD31-1CA1 compatible with all MICROMASTER 440 drives?
A: This filter is designed for specific frame sizes within the MM440 series. Please share your drive’s power rating and frame size so our team can confirm compatibility.
Q: Do you supply new or refurbished units?
A: We supply both new and refurbished (tested) units. Please specify your preference when submitting an inquiry.
Q: What is the lead time for international orders?
A: In-stock items typically ship within 3–5 business days. Lead time for sourced items is 7–15 business days depending on origin and destination.
Q: Can you provide a certificate of conformity or test report?
A: Yes. Documentation including CoC, inspection reports, and original SIEMENS datasheets can be provided upon request.
Q: Do you accept OEM/bulk orders?
A: Absolutely. We offer volume pricing and dedicated account management for OEM and MRO customers. Contact us to discuss your requirements.
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