Danfoss 137N3529 iC7-Automation frequency converter, an air-cooled 1120 A three-phase 380-500 V AC variable frequency drive with 630 kW / 900 hp power rating, Modbus TCP, Ethernet connectivity and integrated STO safety functionality.
£66,519.20
The Danfoss 137N3529 is a high-performance iC7-Automation frequency converter designed for precise and efficient control of three-phase AC motors in demanding industrial automation applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers reliable variable speed control for high-power machinery, process systems and industrial motor control installations.
This air-cooled frequency converter is engineered to provide dependable motor performance, flexible system integration and efficient operation. With integrated safety functionality, standard I/O and Ethernet-based communication capability, the Danfoss 137N3529 is well suited to modern automation environments requiring robust performance and scalable connectivity.
With a 1120 A rated current, 630 kW / 900 hp power rating, three-phase 380–500 V AC supply and IP20 / Open Type construction, the 137N3529 is ideal for demanding high-power drive applications. Its FA12 frame design supports cabinet installation within industrial control panels and drive systems.
Frequency converters such as the Danfoss 137N3529 regulate motor speed by adjusting the voltage and frequency supplied to the motor. This enables industrial systems to improve energy efficiency, maintain accurate process control and reduce mechanical stress on motors and driven equipment.
The iC7-Automation platform is designed for demanding industrial environments where high current capacity, safety integration and communication flexibility are essential. Its built-in I/O, Modbus TCP support and Ethernet connectivity make it suitable for PLC-based control systems and advanced automation architectures.
| Power | 630 kW |
|---|---|
| Current | 1120 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Catalogue number | 7FC-AUFA3N05-1120E20F2-000133032 |
| Model code | IC7-60FA3N05-1120E20F2+AGCX+AJFX+BAMT+BDBA+BEF1+BF20+DAAU |
| Product type | Frequency converter / variable frequency drive |
| Cooling method | Air-cooled |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Rated current | 1120 A |
| Power rating | 630 kW / 900 hp |
| Protection rating | IP20 / Open Type |
| Frame size | FA12 |
| EMC category | C2 |
| Control panel | 2.8 OPX20 |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO |
| Fieldbus protocol | Modbus TCP |
| Other communication | Ethernet port |
| Functional safety | Safe Torque Off (STO) |
| Gross weight | approx. 335.81 kg |
| Net weight | approx. 277.2 kg |
| EAN | 5715253613451 |
| EMC Filter | Commercial |
The Danfoss 137N3529 is used to control the speed and torque of three-phase AC motors in industrial automation, process control and high-power machinery applications.
The drive operates from a three-phase 380–500 V AC supply.
The Danfoss 137N3529 has a rated current of 1120 A.
The drive has a power rating of 630 kW / 900 hp.
Yes, it includes integrated Safe Torque Off (STO) functionality for safety-related motor stopping applications.
Danfoss iC7-Automation frequency converters are trusted by engineers, machine builders and system integrators for efficient motor control, advanced safety functionality and reliable operation in demanding industrial environments.
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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...