SIEMENS 6SE7031-2HG84-1JC2 AC Variable Frequency Drive – MASTERDRIVES MC Series
When a critical AC drive fails on the production floor, every minute of downtime translates directly into lost output, missed delivery windows, and mounting repair costs. Motors run uncontrolled, conveyor lines halt, and process variables spiral out of specification — a single missing inverter unit can cascade into a full plant shutdown. The SIEMENS 6SE7031-2HG84-1JC2 is the precision-engineered solution that keeps your drive system running with the reliability that modern industry demands.
Within the SIEMENS MASTERDRIVES MC (Motion Control) family, the 6SE7031-2HG84-1JC2 occupies a high-performance tier designed for demanding servo-quality vector control applications. Backed by Siemens’ decades of global leadership in drive technology, this unit is deployed across automotive assembly, paper & pulp, metals processing, and material handling installations on every continent. Its combination of compact power density and advanced closed-loop control capability makes it a benchmark reference in the 15 kW / 400 V AC drive segment.
Technical Specifications
- Part Number / SKU: 6SE7031-2HG84-1JC2
- Brand: SIEMENS
- Series: MASTERDRIVES MC (Motion Control)
- Product Type: AC Variable Frequency Drive (VFD) / Inverter
- Rated Output Power: 15 kW (20 HP)
- Supply Voltage: 3-phase AC 380–480 V (±10%)
- Output Frequency Range: 0–300 Hz
- Control Mode: Vector Control (Closed-Loop / Open-Loop), V/f Control
- Communication Interface: PROFIBUS DP (via CBP2 option board slot)
- Protection Class: IP20
- Cooling Method: Forced air cooling
- Weight: Approx. 3.5 kg
- Compliance: CE, UL listed
Note: All specifications are based on published Siemens documentation. Verify with the official datasheet for your specific application requirements.
Key Features & Benefits
- High Dynamic Vector Control — Delivers precise torque and speed regulation for servo-quality motion profiles without requiring a dedicated servo drive.
- Wide Voltage Tolerance — Operates reliably across 380–480 V ±10%, making it suitable for unstable grid environments common in emerging industrial markets.
- Modular Option Board Architecture — Supports PROFIBUS DP, DeviceNet, and encoder feedback boards, enabling seamless integration into existing automation networks.
- Integrated Brake Chopper — Handles regenerative braking energy internally, reducing the need for external braking resistor assemblies in many applications.
- Comprehensive Fault Diagnostics — Onboard fault memory and plain-text display accelerate troubleshooting and minimize mean time to repair (MTTR).
- Long Service Life — Siemens-grade components and thermal management design ensure extended operational lifespan in 24/7 industrial environments.
Industry & Equipment Applications
- Automotive Manufacturing: Conveyor drives, robotic axis control, assembly line synchronization
- Paper & Pulp: Winder/unwinder tension control, section drive coordination
- Metals & Steel: Rolling mill auxiliary drives, coiler/decoiler control
- Material Handling: Crane hoist drives, stacker-reclaimer systems
- Water & Wastewater: Pump and blower variable-speed control for energy savings
- Packaging Machinery: High-speed indexing, registration control
System Integration & Compatible Parts
The 6SE7031-2HG84-1JC2 is designed to integrate within the broader SIEMENS MASTERDRIVES MC ecosystem. Compatible and commonly paired components include:
- Option Boards: CBP2 (PROFIBUS DP), CBD (DeviceNet), SBP (Pulse Encoder)
- Operator Panels: PMU (Parameterization Unit), OP1S (Remote Operator Panel)
- Line Reactors: 4EP3 series input reactors for harmonic mitigation
- Braking Resistors: 6SE70 series external resistors for high-duty-cycle braking
- PLC Controllers: SIMATIC S7-300 / S7-400 via PROFIBUS DP
Our Quality Assurance Process
At Konmask.com, every SIEMENS 6SE7031-2HG84-1JC2 unit we supply undergoes a rigorous multi-stage verification process before shipment:
- ✅ Authenticity Verification — Serial number and date code cross-checked against Siemens production records
- ✅ Visual Inspection — Full external inspection for damage, counterfeit markings, or signs of prior use
- ✅ Functional Pre-test — Power-on test and parameter read-back where applicable
- ✅ ESD-Safe Packaging — Anti-static bags, foam cushioning, and double-wall carton for safe international transit
- ✅ Documentation Package — Certificate of conformity and packing list included with every shipment
How to Order
- Submit your inquiry via the Contact / RFQ form on this page with your required quantity and delivery timeline.
- Our technical sales team will confirm availability, lead time, and provide a formal quotation within 24 business hours.
- Upon order confirmation, we arrange secure payment and prepare export documentation.
- Units are shipped via DHL / FedEx / UPS Express or sea freight depending on order volume and urgency.
- Track your shipment in real time with the provided AWB number.
Why Choose Konmask.com?
- 🌐 Global B2B Supplier — Serving industrial buyers in 50+ countries with reliable cross-border logistics
- 🔧 Technical Expertise — Our team includes qualified automation engineers who can advise on compatibility and installation
- 📦 In-Stock & Fast Delivery — Extensive inventory of SIEMENS drive components for immediate dispatch
- 🛡️ Genuine Parts Guarantee — 100% authentic SIEMENS products, no counterfeits, no grey-market risk
- 💬 Dedicated After-Sales Support — Post-delivery technical assistance and warranty claim handling
Frequently Asked Questions
- Q: Is the 6SE7031-2HG84-1JC2 a new or refurbished unit?
- A: We supply both new-in-box and professionally refurbished units. Please specify your preference in the RFQ form. All refurbished units are tested and carry a warranty.
- Q: What is the lead time for this part?
- A: In-stock units typically ship within 1–3 business days. For out-of-stock items, lead time is 2–6 weeks depending on sourcing. Contact us for real-time availability.
- Q: Can you provide a SIEMENS certificate of authenticity?
- A: Yes. We provide a certificate of conformity with every shipment. For additional factory certification, please request this at the time of inquiry.
- Q: Does this unit support PROFIBUS DP communication?
- A: Yes, via the CBP2 option board. The base unit includes the option slot; the CBP2 board may need to be ordered separately if not already installed.
- Q: What warranty do you offer?
- A: We offer a 12-month warranty against manufacturing defects on all new units and a 6-month warranty on refurbished units, covering parts and technical support.
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Original Source: https://Konmask.com
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