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137L3523 Danfoss 0.75kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L3523 iC7-Automation frequency converter, an air-cooled industrial drive with 2.4 A current rating, three-phase 380-500 V AC input, IP20/Open Type enclosure, EtherNet/IP connectivity and Safe Torque Off functionality.
£1,171.50
Why Choose the Danfoss 137L3523 iC7-Automation Frequency Converter?
The Danfoss 137L3523 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 reliable motor operation, this drive helps improve process accuracy, reduce mechanical stress and support efficient variable speed control in machinery and production systems.
As part of the advanced Danfoss iC7-Automation series, the 137L3523 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 dependable drive performance with industrial Ethernet communication.
With a three-phase 380–500 V AC supply, 2.4 A current rating and IP20/Open Type enclosure, the Danfoss 137L3523 is suitable for smaller industrial motor applications including conveyors, pumps, fans, packaging machinery and OEM automation equipment. Its EtherNet/IP 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.
- 2.4 A current rating suitable for smaller three-phase motor applications.
- Three-phase 380–500 V AC input compatible with industrial power systems.
- Integrated Safe Torque Off (STO) safety function.
- Built-in EtherNet/IP 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.
- 2.4 A current rating.
- Three-phase 380–500 V AC input supply.
- IP20/Open Type enclosure.
- Frame size FA02b.
- EMC category C1 and C2.
- Integrated Safe Torque Off (STO) functionality.
- EtherNet/IP OS7IP 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.
Compact Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137L3523 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 EtherNet/IP communication, standard I/O and integrated STO functionality, the 137L3523 can be integrated into modern automation networks and machine control systems.
Typical Applications
- Small 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
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| Power | 0.75 kW | |
|---|---|---|
| Current | 2.4 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Type code | 7FC-AUFA3N05-02A4E20F1-000121734 | |
| Product type | Frequency converter | |
| Cooling method | Air-cooled | |
| Current rating | 2.4 A | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA02b | |
| 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 137L3523 used for?
The Danfoss 137L3523 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 137L3523 provide?
The Danfoss 137L3523 has a current rating of 2.4 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 137L3523 includes EtherNet/IP OS7IP 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.
