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137L3956 Danfoss 1.5kW Three Phase iC7-Automation Variable Speed Drive
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.
£1,046.25
Why Choose the Danfoss 137L3956 iC7 Automation Frequency Converter?
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.
Key Advantages
- Compact Danfoss iC7 Automation frequency converter for industrial motor control.
- 4.0 A rated current for smaller low-voltage drive applications.
- Three-phase 380–500 V AC input for industrial power systems.
- Air-cooled design for efficient thermal management.
- Integrated Safe Torque Off (STO) functional safety.
- PROFINET RT fieldbus support for modern automation network integration.
Key Features
- Danfoss iC7 Automation series.
- Product code 137L3956.
- IC7-60FA3N05-04A0E20F2 frequency converter configuration.
- 4.0 A output current.
- 3-phase 380–500 V AC supply.
- IP20/Open Type protection rating.
- FA02b frame size.
- EMC category C2.
- OPX20 2.8 control panel.
- Standard I/O with digital, analogue and relay outputs.
- PROFINET RT OS7PRO fieldbus protocol enabled.
- Integrated STO safety function.
Efficient Motor Control for Compact 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.
Typical Applications
- Small industrial motor control systems.
- Machine building and OEM automation equipment.
- Manufacturing and production line automation.
- Pumps, fans and compact compressor systems.
- Material handling and conveyor applications.
- Drive cabinets and engineered control panels.
Technical Specifications
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| Power | 1.5 kW | |
|---|---|---|
| Current | 4 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| 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 |
Frequently Asked Questions
What is the Danfoss 137L3956?
The Danfoss 137L3956 is an iC7 Automation frequency converter designed for industrial motor control and automation applications.
What current rating does the Danfoss 137L3956 provide?
This frequency converter is rated at approximately 4.0 A.
What supply voltage does the 137L3956 require?
The Danfoss 137L3956 operates from a three-phase 380–500 V AC supply.
What communication protocol is enabled?
This configuration includes PROFINET RT OS7PRO fieldbus protocol support, with an Ethernet port also available.
Does the Danfoss 137L3956 include functional safety?
Yes, it includes Safe Torque Off (STO) functional safety, specified as not upgradable for this configuration.
Trusted by Industrial Drive Engineers Worldwide
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.
