Danfoss 137U5701 iC7-Automation frequency converter, an air-cooled 37 kW industrial variable frequency drive with 73 A output current, 380-500 V AC three-phase supply, IP21 protection, Modbus TCP and Safe Torque Off functionality.
£6,496.00
The Danfoss 137U5701 is a compact and efficient iC7-Automation frequency converter designed for precise speed and torque control of three-phase AC motors in demanding industrial automation applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers reliable motor control, flexible communication and dependable performance for modern machinery and process systems.
This air-cooled variable frequency drive is engineered for applications requiring accurate motor regulation, energy efficiency and easy integration into industrial control networks. With integrated functional safety, Modbus TCP communication and a compact IP21 enclosure, the Danfoss 137U5701 is well suited for control cabinet and plant automation installations.
With a rated output power of 37 kW / 50 HP, an output current of 73 A and operation from a three-phase 380-500 V AC supply, the Danfoss 137U5701 is ideal for pumps, fans, conveyors, processing equipment and OEM machine control applications.
Frequency converters such as the Danfoss 137U5701 regulate motor speed by adjusting the voltage and frequency supplied to the motor. This helps improve process control, reduce energy consumption and minimise mechanical stress on pumps, fans, conveyors and driven machinery.
The iC7-Automation platform is designed for engineers, system integrators and machine builders who need dependable drive technology with strong communication capability, integrated safety and flexible configuration options for modern production environments.
| Power | 37 kW |
|---|---|
| Current | 73 A |
| Phase | Three Phase |
| IP Rating | IP21 |
| Series | iC7-Automation |
| Part number | 137U5701 |
| Catalogue number | 7FC-AUFA3N05-73A0E21F3-000147214 |
| Model code | IC7-60FA3N05-73A0E21F3+ACBC+ALDC+BAMT+BEF1+BF20+DAAU |
| Product type | Frequency converter / variable frequency drive |
| Cooling method | Air-cooled |
| Rated output power | 37 kW / 50 HP |
| Rated output current | 73 A |
| Input voltage | 380-500 V AC |
| Input phases | 3-phase |
| Input frequency | 50 / 60 Hz |
| Protection rating | IP21 / UL Type 1 |
| Frame size | FK06 |
| EMC category | C3 |
| Control panel | 2.8 OPX20 |
| Standard I/O | None |
| Fieldbus protocol | Modbus TCP OS7MT |
| Connectivity | Ethernet port, no additional protocol |
| Functional safety | STO, not upgradable |
| EMC Filter | Industrial |
The Danfoss 137U5701 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
The drive is rated for 37 kW / 50 HP motor control applications.
The Danfoss 137U5701 operates from a three-phase 380-500 V AC supply.
Yes, the drive has Modbus TCP OS7MT fieldbus protocol enabled, along with Ethernet port connectivity.
The drive includes integrated Safe Torque Off (STO) functional safety for safer machine operation.
Danfoss iC7-Automation frequency converters are used in demanding industrial environments where reliable motor control, energy efficiency and seamless automation integration are essential.
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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...