Danfoss 137L3956 iC7 Automation air-cooled frequency converter with 4.0 A output current, three-phase 380-500 V AC supply, IP20/Open Type protection and PROFINET RT connectivity for industrial motor control.
£1,116.00
The Danfoss 137L3956 is a compact iC7 Automation frequency converter designed for reliable industrial motor control and automation applications. As part of the advanced Danfoss iC7 Automation series, it provides efficient speed control, flexible system integration and dependable operation for modern low-voltage drive installations.
This air-cooled frequency converter is engineered for machine builders, system integrators and industrial operators requiring a compact drive solution with modern connectivity and integrated safety functionality. The 137L3956 configuration is associated with the IC7-60FA3N05-04A0E20F2 model code and supports precise motor control in demanding automation environments.
With a three-phase 380–500 V AC supply, 4.0 A rated current, IP20/Open Type protection and FA02b frame size, the Danfoss 137L3956 is well suited to installation in drive cabinets, industrial control panels and engineered automation systems.
Frequency converters such as the Danfoss 137L3956 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 equipment.
The iC7 Automation platform is designed for scalable industrial drive systems with modern fieldbus connectivity, embedded safety and reliable performance. With PROFINET RT communication, integrated Safe Torque Off and compact air-cooled construction, the 137L3956 is a practical solution for smaller automation and machine control applications.
| Power | 1.5 kW |
|---|---|
| Current | 4 A |
| Phase | Three Phase |
| IP Rating | IP20 |
| Series | iC7 Automation |
| Product code | 137L3956 |
| Catalogue number | 7FC-AUFA3N05-04A0E20F2-000122206 |
| Model / configuration | IC7-60FA3N05-04A0E20F2+ACBC+ALDC+BAPR+BDBA+BEF1+BF20+CAC0+CBR0+DAAU |
| Product type | Frequency converter |
| Cooling type | Air-cooled |
| Input voltage | 380–500 V AC |
| Input phases | 3-phase |
| Rated current | 4.0 A |
| Protection rating | IP20 / Open Type |
| Frame size | FA02b |
| EMC category | C2 |
| Control panel | OPX20 2.8 |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO |
| Fieldbus protocol | PROFINET RT OS7PRO |
| Other protocols | Ethernet port, no protocol |
| Functional safety | STO, not upgradable |
| EMC Filter | Commercial |
The Danfoss 137L3956 is an iC7 Automation frequency converter designed for industrial motor control and automation applications.
This frequency converter is rated at approximately 4.0 A.
The Danfoss 137L3956 operates from a three-phase 380–500 V AC supply.
This configuration includes PROFINET RT OS7PRO fieldbus protocol support, with an Ethernet port also available.
Yes, it includes Safe Torque Off (STO) functional safety, specified as not upgradable for this configuration.
Danfoss iC7 Automation frequency converters are used by machine builders, automation professionals and system integrators to deliver precise motor control, reliable communication and efficient operation in modern 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...