Emerson UNI4404 AC Variable Speed Drive – Control Techniques Unidrive Series
When a variable speed drive fails on the production floor, the consequences are immediate and costly: conveyor lines halt, motors run uncontrolled, and entire manufacturing cells go dark. In high-throughput environments — from automotive assembly to water treatment — even minutes of unplanned downtime translate into thousands of dollars in lost output. The Emerson UNI4404 is the precision component that keeps these critical systems running, delivering reliable motor speed control exactly when and where it is needed most.
Within the Control Techniques Unidrive series — one of the most respected AC drive platforms in global industrial automation — the UNI4404 occupies a key position as a high-performance, field-proven drive module. Control Techniques, operating under the Emerson Industrial Automation umbrella, has supplied Unidrive technology to OEMs and end-users across more than 100 countries. The UNI4404 continues that legacy, offering the engineering precision and operational reliability that demanding B2B buyers expect from a tier-one automation brand.
Technical Specifications
- Part Number / SKU: UNI4404
- Brand: Emerson / Control Techniques
- Series: Unidrive
- Product Type: AC Variable Speed Drive (VSD / VFD)
- Weight: 460 g
- Compatibility: Designed for integration within Control Techniques Unidrive system architecture
- Condition Available: New, Surplus New, Refurbished (specify on inquiry)
Note: Detailed electrical specifications (voltage, current rating, power range) are available upon request. Contact our technical team for a full datasheet.
Key Features & Benefits
- Proven Unidrive Platform: Built on Control Techniques’ globally trusted Unidrive architecture, ensuring long-term parts availability and engineering support.
- Precise Motor Control: Delivers accurate speed and torque regulation for demanding industrial motor applications.
- Robust Construction: Engineered for continuous-duty industrial environments with high reliability and low maintenance requirements.
- Wide Application Compatibility: Suitable for integration into existing Unidrive system configurations without extensive re-engineering.
- Global Spare Parts Availability: Konmask.com maintains sourcing channels across multiple regions to fulfill urgent replacement orders.
- Technical Documentation Support: Our team can assist with wiring diagrams, parameter setup guides, and compatibility verification.
Industry & Equipment Applications
- Manufacturing & Assembly Lines: Conveyor speed control, robotic cell integration, and precision positioning systems.
- Water & Wastewater Treatment: Pump and blower speed regulation for energy-efficient fluid management.
- Oil & Gas: Compressor and pump drive control in upstream and downstream processing facilities.
- Food & Beverage Processing: Hygienic-environment motor control for mixers, fillers, and packaging lines.
- HVAC & Building Automation: Fan and chiller motor speed management for energy optimization.
- Pulp, Paper & Printing: Web tension control and winder/unwinder drive applications.
- Mining & Minerals: Heavy-duty conveyor and crusher drive systems requiring high torque reliability.
System Integration & Compatible Parts
The Emerson UNI4404 is designed to operate within the broader Control Techniques Unidrive ecosystem. Compatible system components typically include:
- Control Techniques Unidrive drive modules (UNI series)
- Unidrive option modules (fieldbus, encoder feedback, I/O expansion)
- Control Techniques keypads and remote operator panels
- Emerson / Control Techniques braking resistors and line reactors
- Compatible PLCs and DCS systems via standard fieldbus protocols (Profibus, DeviceNet, Modbus, EtherNet/IP)
If you need assistance identifying compatible parts or building a complete drive system BOM, our engineering team is ready to help. Contact us with your system requirements.
Our Quality Assurance Process
At Konmask.com, every industrial automation component goes through a structured sourcing and verification process before it reaches our customers:
- Source Verification: Parts are sourced from authorized distributors, OEM surplus channels, and vetted secondary market suppliers.
- Visual & Physical Inspection: Each unit is inspected for physical integrity, label authenticity, and correct part number marking.
- Functional Testing (where applicable): Refurbished units undergo bench testing to verify operational parameters.
- Secure Packaging: Anti-static packaging and shock-resistant materials protect components during international transit.
- Traceability Documentation: Certificates of conformance and test reports available upon request for critical applications.
How to Order
- Submit an Inquiry: Use the contact form on this page or email [email protected] with your required quantity and delivery timeline.
- Receive a Quote: Our team will respond within 1 business day with pricing, availability, and lead time.
- Confirm & Pay: Approve the proforma invoice and complete payment via your preferred method (T/T, PayPal, credit card).
- Shipment & Tracking: Your order is dispatched with full tracking information and export documentation.
- After-Sales Support: Our technical team remains available post-delivery for installation guidance and troubleshooting.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation: We focus exclusively on PLC modules, DCS components, and automation drives — not a generalist marketplace.
- ✅ Global Sourcing Network: Access to stock across Asia, Europe, and North America for hard-to-find and obsolete parts.
- ✅ Fast Response: Dedicated B2B inquiry team with <24-hour quote turnaround.
- ✅ Export Experience: Extensive experience with international shipping, customs documentation, and multi-currency transactions.
- ✅ Technical Competence: Our team includes engineers who understand your application — not just salespeople reading a catalog.
- ✅ Transparent Communication: Honest lead times, clear pricing, and no hidden fees.
Frequently Asked Questions
Q: Is the Emerson UNI4404 still in production?
A: The UNI4404 is part of the legacy Control Techniques Unidrive series. While current production status may vary, Konmask.com maintains sourcing access to new, surplus, and refurbished stock. Contact us to confirm current availability.
Q: Can you provide a datasheet or wiring diagram for the UNI4404?
A: Yes. We can provide technical documentation including datasheets, installation manuals, and parameter guides upon request. Email [email protected] with your inquiry.
Q: Do you ship internationally?
A: Yes. We ship to customers worldwide including Europe, Southeast Asia, the Middle East, and the Americas. Export documentation and customs support are included.
Q: What warranty do you offer?
A: Warranty terms depend on the condition of the unit (new, surplus, or refurbished). Details are provided in your quotation. We stand behind every part we sell.
Q: Can I return the part if it is not compatible?
A: We strongly recommend confirming compatibility before ordering. Our technical team will verify your application requirements prior to shipment to minimize the risk of incompatibility.
Q: What is the minimum order quantity (MOQ)?
A: MOQ is 1 unit. We welcome both single-unit replacement orders and bulk procurement requests.
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