HD2-820A-43 IMO HD2 High performance inverter 450kW, 3Phase, 400V, 820Amp
IMO HD2-820A-43 high performance 450 kW AC variable speed drive with 820 A output, three-phase 380-480 V input, vector control and integrated Safe Torque Off for industrial automation.
SKU:HD2-820A-43Alt SKU:HD2820A43MPN:HD2-820A-43
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Why Choose the IMO HD2-820A-43 Variable Speed Drive?
The IMO HD2-820A-43 is a high performance AC variable speed drive (VSD) designed for precise speed and torque control of large three-phase AC induction and permanent magnet synchronous motors. As part of the advanced IMO HD2 Series, it provides exceptional performance, reliability and flexibility for demanding industrial automation, heavy process control and OEM machinery applications.
Utilising advanced sensorless vector and closed-loop vector control, the HD2 Series delivers outstanding speed regulation, torque response and operational efficiency. Integrated Safe Torque Off (STO), Modbus RTU communications, auto-tuning, programmable functionality and optional industrial network expansion make the drive easy to integrate into sophisticated automation systems.
With a rated motor power of 450 kW, a three-phase 380-480 V AC supply and a rated output current of 820 A, the IMO HD2-820A-43 is ideal for controlling large pumps, compressors, conveyors, fans, mining equipment, heavy manufacturing machinery and demanding industrial processes. The drive features a robust IP20 enclosure for installation within electrical control cabinets.
Key Advantages
High performance variable speed drive for heavy industrial applications.
450 kW motor power rating with 820 A output current.
Three-phase 380-480 V AC input supply.
Supports sensorless vector and closed-loop vector control.
Integrated Safe Torque Off (STO) safety functionality.
Built-in Modbus RTU communication with optional industrial network protocols.
High efficiency operation reduces energy consumption and mechanical stress.
Designed for continuous operation in demanding industrial environments.
Key Features
IMO HD2 Series high performance inverter.
450 kW rated motor power.
820 A rated output current.
Three-phase 380-480 V AC input.
V/F, Sensorless Vector and Closed-loop Vector control modes.
Integrated Safe Torque Off (STO).
Built-in Modbus RTU communications.
Supports optional EtherCAT, PROFINET, Ethernet/IP and PROFIBUS communication cards.
Advanced PID control, motor auto-tuning and programmable logic.
Heavy-duty IP20 panel mounting enclosure.
Heavy Duty Motor Control for Industrial Applications
The IMO HD2-820A-43 has been engineered to provide exceptional speed regulation, torque control and operational stability for high power industrial motors. Advanced vector control technology enables smooth acceleration, improved process accuracy and reduced mechanical wear while helping lower overall energy consumption.
Designed for integration into modern automation systems, the HD2 Series supports a wide range of communication protocols and expansion options, making it suitable for complex industrial processes where reliability and uptime are critical.
Typical Applications
Large industrial pumps and water treatment plants.
Heavy-duty conveyors and material handling systems.
Compressors and process plant equipment.
Mining and quarrying machinery.
Steel processing and manufacturing facilities.
Power generation and infrastructure projects.
Large OEM automation systems.
Technical Specifications
Power
450 kW
Current
820 A
Voltage
400 V
Phase
Three Phase
IP Rating
IP20
Series
HD2 Variable Speed Drives
Product type
AC variable speed drive
Rated motor power
450 kW
Rated output current
820 A
Input voltage
380-480 V AC
Input phases
Three-phase
Frequency
50 / 60 Hz
Control modes
V/F, Sensorless Vector and Closed-loop Vector
Protection rating
IP20
Mounting type
Panel / cabinet mounting
Integrated safety
Safe Torque Off (STO)
Dimensions (H × W × D)
approx. 1700 × 620 × 560 mm
Weight
approx. 350 kg
EMC Filter
None
Frequently Asked Questions
What is the IMO HD2-820A-43 used for?
The HD2-820A-43 controls the speed and torque of large three-phase AC motors used in demanding industrial automation and heavy process applications.
What motor size is supported?
This model is designed to control motors rated up to 450 kW under normal operating conditions.
What input voltage does the drive require?
The drive operates from a three-phase 380-480 V AC power supply.
Does the drive include integrated safety?
Yes. The HD2 Series includes integrated Safe Torque Off (STO) to help satisfy machinery safety requirements.
Can the drive communicate with industrial control systems?
Yes. Built-in Modbus RTU is provided, with optional communication modules available for EtherCAT, PROFINET, Ethernet/IP and PROFIBUS networks.
Trusted by Industrial Automation Professionals
IMO HD2 variable speed drives are trusted worldwide by industrial engineers, machine builders and OEM manufacturers for delivering dependable motor control, advanced functionality and reliable operation in demanding industrial environments.
Power
450 kW
Current
820 A
Voltage
400 V
Phase
Three Phase
IP Rating
IP20
Series
HD2 Variable Speed Drives
Product type
AC variable speed drive
Rated motor power
450 kW
Rated output current
820 A
Input voltage
380-480 V AC
Input phases
Three-phase
Frequency
50 / 60 Hz
Control modes
V/F, Sensorless Vector and Closed-loop Vector
Protection rating
IP20
Mounting type
Panel / cabinet mounting
Integrated safety
Safe Torque Off (STO)
Dimensions (H × W × D)
approx. 1700 × 620 × 560 mm
Weight
approx. 350 kg
EMC Filter
None
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
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Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...