Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
137L3525 Danfoss 15kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L3525 iC7-Automation frequency converter, an air-cooled industrial drive with 31 A current rating, three-phase 380-500 V AC input, IP20/Open Type enclosure, PROFINET RT connectivity and Safe Torque Off functionality.
£3,355.50
Why Choose the Danfoss 137L3525 iC7-Automation Frequency Converter?
The Danfoss 137L3525 is a compact and efficient iC7-Automation frequency converter designed for precise speed and torque control of three-phase AC motors in industrial automation applications. Built for dependable variable speed operation, this drive helps improve process accuracy, reduce mechanical stress and support efficient motor control in machinery and production systems.
As part of the advanced Danfoss iC7-Automation series, the 137L3525 combines flexible connectivity, integrated safety and robust control functionality in a compact air-cooled design. It is well suited to machine builders, panel builders and system integrators requiring reliable drive performance with industrial Ethernet communication.
With a three-phase 380–500 V AC supply, 31 A current rating and IP20/Open Type enclosure, the Danfoss 137L3525 is suitable for industrial motor applications including conveyors, pumps, fans, packaging machinery and OEM automation equipment. Its PROFINET RT communication, standard I/O and Safe Torque Off functionality support straightforward integration into modern control networks.
Key Advantages
- Compact industrial frequency converter for automation and machine control.
- 31 A current rating suitable for three-phase motor control applications.
- Three-phase 380–500 V AC input compatible with industrial power systems.
- Integrated Safe Torque Off (STO) safety function.
- Built-in PROFINET RT communication for automation network integration.
- Standard I/O for flexible control and monitoring.
- Air-cooled construction for dependable thermal performance.
- IP20/Open Type enclosure for cabinet and panel mounting.
Key Features
- Danfoss iC7-Automation frequency converter series.
- 31 A current rating.
- Three-phase 380–500 V AC input supply.
- IP20/Open Type enclosure.
- Frame size FA04b.
- EMC category C1 and C2.
- Integrated Safe Torque Off (STO) functionality.
- PROFINET RT OS7PR fieldbus protocol enabled.
- Ethernet port with no protocol enabled.
- Control Panel 2.8 OPX20 operator interface.
- Standard I/O: 4xDI, 2xDI/O, 2xAI, 1xAO and 2xRO.
- Air-cooled construction for industrial environments.
Efficient Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137L3525 regulate motor speed by adjusting output frequency and voltage. This enables machinery to operate more efficiently while improving process accuracy and reducing wear on motors, pumps, fans and connected mechanical components.
The iC7-Automation platform is designed for industrial environments where connectivity, safety and flexible control are essential. With PROFINET RT communication, standard I/O and integrated STO functionality, the 137L3525 can be integrated into modern automation networks and machine control systems.
Typical Applications
- Industrial conveyors and material handling systems.
- Pumps, fans and ventilation equipment.
- Packaging and production machinery.
- OEM machine control panels.
- Process automation equipment.
- Industrial auxiliary systems.
- Manufacturing machinery.
- Three-phase motor speed control applications.
Technical Specifications
Tick the specs you need, then view products that match.
| Power | 15 kW | |
|---|---|---|
| Current | 31 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Type code | 7FC-AUFA3N05-31A0E20F1-000121741 | |
| Product type | Frequency converter | |
| Cooling method | Air-cooled | |
| Current rating | 31 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA04b | |
| EMC category | C1 and C2 | |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO | |
| Functional safety | Safe Torque Off (STO), not upgradable | |
| Control panel | Control Panel 2.8 OPX20 | |
| Mounting type | Cabinet / panel mounting |
Frequently Asked Questions
What is the Danfoss 137L3525 used for?
The Danfoss 137L3525 is used to control the speed and torque of three-phase AC motors in industrial automation, machine control and process applications.
What supply voltage does this frequency converter require?
The drive operates from a three-phase 380–500 V AC supply.
What current rating does the Danfoss 137L3525 provide?
The Danfoss 137L3525 has a current rating of 31 A.
Does the drive include safety functionality?
Yes. The drive includes integrated Safe Torque Off (STO) functionality for safer machine operation.
Which communication protocol is enabled?
The 137L3525 includes PROFINET RT OS7PR fieldbus communication and an Ethernet port for industrial network connectivity.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers and system integrators for precise motor control, flexible connectivity and dependable performance in industrial automation environments.
