Danfoss 137N9947 iC7-Automation enclosed drive, a 315 kW three-phase low-harmonic air-cooled variable frequency drive with 380–500 V AC supply, 590 A current rating and IP54 / UL Type 12 enclosure.
Why Choose the Danfoss 137N9947 iC7-Automation Enclosed Drive?
The Danfoss 137N9947 is a powerful iC7-Automation enclosed variable frequency drive designed for demanding industrial motor control applications. Built as an air-cooled enclosed drive, it provides high-performance speed control, low-harmonic operation and robust protection for large three-phase motors in critical automation environments.
This Danfoss enclosed drive is engineered for installations requiring reliable operation, integrated cabinet protection and advanced connectivity. The unit features a 380–500 V AC three-phase supply, 590 A current rating and 315 kW / 450 HP power rating, making it suitable for heavy-duty industrial systems where efficiency, uptime and motor performance are essential.
With an IP54 / UL Type 12 enclosure, Modbus TCP communication, coated boards, control panel and integrated cabinet options including mains contactor and switch, motor heater control and cabinet heater, the Danfoss 137N9947 is ideal for demanding factory, process and infrastructure applications.
Key Advantages
High-power Danfoss iC7-Automation enclosed drive for demanding motor control applications.
315 kW / 450 HP power rating for large industrial motors.
590 A current rating for heavy-duty three-phase systems.
380–500 V AC input compatible with industrial mains supplies.
Low-harmonic drive design helps improve power quality.
IP54 / UL Type 12 protection for enclosed industrial installation.
Key Features
Danfoss iC7-Automation enclosed drive series.
Air-cooled enclosed drive construction.
Three-phase low-harmonic drive design.
315 kW / 450 HP rated power.
590 A current rating.
380–500 V AC mains voltage.
EMC Category C3.
Modbus TCP communication interface.
Control Panel 2.8 OPX20.
Standard I/O and relay option OC7C1.
Coated boards for extra environmental protection.
Bottom-entry mains and motor cabling.
High-Power Motor Control for Demanding Applications
Enclosed variable frequency drives such as the Danfoss 137N9947 regulate motor speed by adjusting the frequency and voltage supplied to the motor. This improves process control, reduces mechanical stress and helps optimise energy use in high-power industrial systems.
The iC7-Automation enclosed drive platform is designed for demanding applications where reliability, power quality and integration flexibility are important. Its low-harmonic design, protected enclosure and industrial communication options make it suitable for large process equipment, infrastructure systems and heavy-duty automation.
Typical Applications
Large industrial pumps and pumping stations.
High-capacity fans and ventilation systems.
Compressors and process machinery.
Water and wastewater treatment systems.
Heavy-duty conveyors and material handling equipment.
Industrial process automation and infrastructure applications.
The Danfoss 137N9947 is used for high-power AC motor control in demanding industrial automation, process and infrastructure applications.
What power rating does this drive provide?
The drive has a rated power of approximately 315 kW / 450 HP.
What supply voltage does the Danfoss 137N9947 require?
The drive is designed for a three-phase 380–500 V AC mains supply.
What protection rating does this enclosed drive have?
The Danfoss 137N9947 has an IP54 / UL Type 12 enclosure rating for protected industrial installation.
Does this drive include communication interfaces?
Yes, this model includes Modbus TCP OS7MT communication along with standard I/O and relay options.
Trusted by Industrial Automation Engineers Worldwide
Danfoss iC7-Automation enclosed drives are used in demanding industrial environments where high-power motor control, reliability and efficient operation are critical.
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
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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...