Danfoss 137G1991 iC7-Automation regenerative Active Front End system module designed for high-power industrial automation applications, featuring energy regeneration, Industrial IoT-ready connectivity and 380-500 V AC operation.
Why Choose the Danfoss 137G1991 iC7-Automation Regenerative AFE System Module?
The Danfoss 137G1991 is a high-performance iC7-Automation regenerative Active Front End (AFE) system module engineered for demanding industrial drive applications requiring efficient energy regeneration, advanced grid performance and seamless automation integration. As part of the innovative Danfoss iC7-Automation series, this air-cooled system module delivers exceptional power density, embedded cybersecurity and intelligent control functionality for modern industrial environments.
Developed for OEMs, machine builders and industrial automation specialists, the iC7-Automation platform combines reliability, flexibility and Industry 4.0 readiness. The regenerative AFE architecture enables energy generated during braking and deceleration to be returned to the electrical supply network, helping reduce energy consumption and operating costs while improving overall system efficiency.
Operating from a three-phase 380-500 V AC supply, the Danfoss 137G1991 is ideally suited to high-power automation systems, material handling equipment, process industries and common DC bus drive architectures. Its modular cabinet integration design enables flexible installation in demanding industrial applications.
Key Advantages
Advanced regenerative Active Front End (AFE) system module.
Three-phase 380-500 V AC operation.
Returns braking energy to the supply network.
Compact air-cooled design with high power density.
Industrial IoT-ready platform with embedded cybersecurity.
Supports common DC bus system architectures.
Flexible integration into industrial automation systems.
Designed for demanding continuous-duty industrial applications.
Key Features
Danfoss iC7-Automation series.
Regenerative AFE system module.
380-500 V AC three-phase supply.
Air-cooled industrial design.
IP00 open-type construction.
Integrated control platform.
Industrial Ethernet and fieldbus compatibility.
Built-in cybersecurity functionality.
Safe Torque Off (STO) SIL3 platform support.
Modular architecture for scalable system design.
Suitable for common DC bus applications.
Designed for high-power industrial installations.
Efficient Regenerative Drive Technology
The Danfoss iC7-Automation regenerative platform is designed to optimise energy efficiency in industrial drive systems. During motor braking or overhauling conditions, energy can be returned to the electrical network rather than dissipated through braking resistors, helping reduce heat generation and improve overall system performance.
Its intelligent architecture combines advanced connectivity, integrated security and scalable functionality, enabling engineers to deploy highly efficient drive systems while maintaining flexibility for future expansion and digitalisation initiatives.
Typical Applications
Industrial conveyor systems.
Material handling and logistics facilities.
High-power process automation plants.
Regenerative crane and hoist systems.
Manufacturing automation equipment.
Common DC bus drive installations.
Large pump and fan applications.
OEM machine building projects.
Technical Specifications
Power
900 kW
Current
1710 A
Phase
Three Phase
IP Rating
IP00
Series
iC7-Automation
Part Number
137G1991
Product type
Regenerative AFE system module
Cooling method
Air cooled
Input voltage
380-500 V AC
Input phases
3-phase
Input frequency
50 / 60 Hz
Drive architecture
Active Front End (AFE)
Protection rating
IP00 Open Type
Application
Common DC bus and regenerative drive systems
Safety platform
STO SIL3 compatible
Mounting type
Cabinet integration
EMC Filter
None
Frequently Asked Questions
What is the Danfoss 137G1991 used for?
The Danfoss 137G1991 is a regenerative Active Front End (AFE) system module designed for high-power industrial drive systems that require energy regeneration and advanced power conversion.
What supply voltage does the module require?
The module operates from a three-phase 380-500 V AC supply.
What is the benefit of regenerative AFE technology?
Regenerative AFE technology allows braking energy to be returned to the electrical supply network, improving energy efficiency and reducing wasted energy.
Can the module be used in common DC bus systems?
Yes, the iC7-Automation system module platform is designed for integration into common DC bus architectures and advanced industrial drive systems.
What enclosure protection does the module provide?
The Danfoss 137G1991 is supplied as an IP00 open-type module intended for installation within a suitable electrical enclosure.
Trusted for High-Power Industrial Automation
Danfoss iC7-Automation system modules are trusted worldwide for delivering efficient regenerative power conversion, advanced connectivity and reliable performance across demanding industrial automation applications.
Power
900 kW
Current
1710 A
Phase
Three Phase
IP Rating
IP00
Series
iC7-Automation
Part Number
137G1991
Product type
Regenerative AFE system module
Cooling method
Air cooled
Input voltage
380-500 V AC
Input phases
3-phase
Input frequency
50 / 60 Hz
Drive architecture
Active Front End (AFE)
Protection rating
IP00 Open Type
Application
Common DC bus and regenerative drive systems
Safety platform
STO SIL3 compatible
Mounting type
Cabinet integration
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
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...