Danfoss 137U8257 iC7-Automation air-cooled frequency converter with 12.5 A output current, three-phase 380-500 V AC input, IP20 open type enclosure, Modbus TCP communication and integrated STO and SS1-t safety functionality.
£1,503.20
The Danfoss 137U8257 is a compact and reliable iC7-Automation frequency converter designed for precise speed and torque control of three-phase AC motors in industrial automation applications. As part of the advanced Danfoss iC7-Automation series, it delivers efficient motor control, integrated safety and flexible connectivity for modern machinery and process systems.
This air-cooled drive is engineered for applications requiring dependable performance, cabinet-mounted installation and straightforward automation integration. Its IP20 / open type enclosure, Modbus TCP communication and compact FA02a frame make it suitable for machine control panels, production equipment and industrial drive systems.
With a rated output current of 12.5 A and operation from a three-phase 380-500 V AC supply, the 137U8257 is ideal for smaller industrial motors used in conveyors, pumps, fans, packaging machinery and auxiliary automation equipment.
Frequency converters such as the Danfoss 137U8257 regulate motor speed by adjusting output voltage and frequency. This helps improve process control, reduce mechanical stress and optimise energy consumption across motor-driven industrial systems.
The iC7-Automation platform is designed for demanding automation applications requiring accurate control, embedded connectivity and dependable safety functionality. With Modbus TCP, Ethernet connectivity and integrated safety functions, the 137U8257 can be integrated into PLC-based systems, industrial networks and machine control panels.
| Power | 5.5 kW |
|---|---|
| Current | 12.5 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Model code | IC7-60FA3N05-12A5E20F2+ACBC+ALDC+BAMT+BEF2+DAAU |
| Product type | Air-cooled frequency converter |
| Rated output current | 12.5 A |
| Input voltage | 380-500 V AC |
| Input phases | 3-phase |
| Protection rating | IP20 / open type |
| Frame size | FA02a |
| EMC category | C2 |
| Control panel | Blind Panel OPX00 |
| Standard I/O | None |
| Fieldbus protocol | Modbus TCP OS7MT |
| Other protocols | Ethernet port, no protocol |
| Functional safety | STO, SS1-t, fieldbus |
| Cooling method | Air-cooled |
| EMC Filter | Commercial |
The Danfoss 137U8257 is used to control the speed and torque of three-phase AC motors in industrial automation, machine building and process control applications.
The drive has a rated output current of approximately 12.5 A.
The 137U8257 operates from a three-phase 380-500 V AC supply.
Yes, the drive includes Safe Torque Off (STO) and SS1-t safety functionality with fieldbus support.
This model supports Modbus TCP OS7MT communication and includes an Ethernet port for automation integration.
Danfoss iC7-Automation frequency converters are trusted by automation engineers and machine builders for precise motor control, advanced connectivity and reliable operation in demanding industrial applications.
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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...