Danfoss 137X5257 iC7-Automation variable speed drive, a 1.1 kW three-phase AC frequency converter designed for compact industrial automation and motor control applications.
£905.60
The Danfoss 137X5257 is a compact and reliable iC7-Automation variable frequency drive (VFD) designed for precise speed and torque control of three-phase motors in industrial automation and machinery applications. As part of the advanced Danfoss iC7-Automation drive series, it provides efficient motor control, flexible connectivity and dependable operation in modern control systems.
This drive is engineered for machine builders, system integrators and industrial operators who need compact panel-mounted motor control with integrated safety and automation functionality. Its onboard I/O, microSD card reader and RTC interface support straightforward configuration, commissioning and integration into industrial control panels.
With a rated output power of 1.1 kW, a 1.5 HP power rating and a three-phase 380–500 V AC supply, the Danfoss 137X5257 is ideal for small industrial motors used in conveyors, pumps, fans, packaging machinery and OEM automation systems. Its IP20 / Open Type enclosure is designed for installation inside suitable electrical cabinets.
Variable frequency drives such as the Danfoss 137X5257 regulate motor speed by adjusting output voltage and frequency. This enables smoother acceleration, improved process control, reduced mechanical stress and more efficient operation of industrial motors.
The iC7-Automation series is designed for modern automation systems requiring flexible control, integrated safety and compact installation. With onboard I/O, STO functionality and a cabinet-mounted format, this drive is well suited to PLC-controlled machinery and small industrial motor applications.
| Power | 1.1 kW |
|---|---|
| Current | 3 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7-Automation |
| Product type | Variable frequency drive / frequency converter |
| Rated output power | 1.1 kW |
| Horsepower rating | 1.5 HP |
| Input voltage | 3 × 380–500 V AC |
| Input phases | 3-phase |
| Input frequency | 50 / 60 Hz |
| Output phases | Three phase |
| Output frequency | 0–590 Hz |
| Protection rating | IP20 / Open Type |
| Frame size | FA02b |
| Filter | C3 filter |
| Functional safety | STO, not upgradable |
| Onboard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO |
| Interface board | MicroSD card reader and RTC |
| Short circuit release | 100 kA |
| Maximum power loss | 52 W |
| EMC Filter | None |
The Danfoss 137X5257 is used to control the speed and torque of three-phase AC motors in compact industrial automation, machinery and process control applications.
The drive is rated for approximately 1.1 kW / 1.5 HP, making it suitable for small industrial motor control applications.
The Danfoss 137X5257 operates from a three-phase 380–500 V AC supply at 50 or 60 Hz.
Yes. This model includes integrated Safe Torque Off (STO) functionality to support machine safety requirements.
The drive has an IP20 / Open Type enclosure and is typically installed inside a suitable electrical control panel or machine cabinet.
Danfoss iC7-Automation drives are trusted by machine builders, system integrators and industrial operators for reliable motor control, efficient performance and flexible automation integration.
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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...