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137L4178 Danfoss 22kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137L4178 iC7-Automation frequency converter, an air-cooled 43 A variable frequency drive for 380-500 V AC industrial motor control with PROFINET RT communication.
£4,350.75
Why Choose the Danfoss 137L4178 iC7-Automation Frequency Converter?
The Danfoss 137L4178 is a compact and advanced iC7-Automation frequency converter designed for precise AC motor control in industrial automation systems. Part of the Danfoss iC7-Automation drive series, this air-cooled variable frequency drive offers reliable speed regulation, flexible configuration and strong connectivity for modern machine and process control applications.
Engineered for demanding industrial environments, the Danfoss 137L4178 combines efficient motor control with integrated safety and automation features. Its cabinet-mounted design, standard I/O and enabled PROFINET RT communication make it well suited to OEM machinery, control panels and connected production systems.
With a 380–500 V AC supply, 43 A rating and IP20 / Open Type protection, the 137L4178 is suitable for medium-power industrial motor applications. The unit features a frame FA05b construction, EMC category C1 and C2 performance, Safe Torque Off functionality and a Control Panel 2.8 OPX20 interface.
Key Advantages
- Advanced Danfoss iC7-Automation frequency converter for industrial motor control.
- 43 A current rating suitable for medium-power automation applications.
- 380–500 V AC supply compatible with industrial electrical systems.
- IP20 / Open Type protection for cabinet and panel installation.
- Integrated Safe Torque Off (STO) functional safety.
- PROFINET RT enabled for modern industrial automation networks.
Key Features
- Danfoss iC7-Automation drive series.
- Air-cooled frequency converter.
- 43 A current rating.
- 380–500 V AC input supply.
- Frame size FA05b.
- IP20 / Open Type enclosure rating.
- EMC category C1 and C2.
- Control Panel 2.8 OPX20.
- Standard I/O: 4 × DI, 2 × DI/O, 2 × AI, 1 × AO and 2 × RO.
- PROFINET RT fieldbus protocol enabled.
- Ethernet port with no additional protocol enabled.
- Integrated STO functional safety.
Reliable Motor Control for Connected Automation
Frequency converters such as the Danfoss iC7-Automation series regulate motor speed by adjusting output frequency and voltage. This allows machinery to operate more efficiently, improves process control and helps reduce mechanical stress on motors and driven equipment.
The Danfoss 137L4178 is designed for industrial automation systems that require dependable motor performance, network connectivity and integrated safety. Its PROFINET RT capability, standard I/O and compact IP20 format make it suitable for modern control cabinets and machine automation platforms.
Typical Applications
- Industrial motor control systems.
- Production and process automation machinery.
- Pumps, fans and compressor systems.
- Conveyors and material handling equipment.
- Packaging and manufacturing machinery.
- OEM control panels and machine building applications.
Technical Specifications
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| Power | 22 kW | |
|---|---|---|
| Current | 43 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Commercial | |
| Series | iC7-Automation | |
| Part number | 137L4178 | |
| Catalogue number | 7FC-AUFA3N05-43A0E20F1-000122477 | |
| Product type | Frequency converter / variable frequency drive | |
| Cooling method | Air cooled | |
| Input voltage | 380–500 V AC | |
| Rated current | 43 A | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA05b | |
| EMC category | C1 and C2 | |
| Control panel | 2.8 OPX20 | |
| Standard I/O | 4 × DI, 2 × DI/O, 2 × AI, 1 × AO, 2 × RO | |
| Fieldbus protocol | PROFINET RT OS7PRO | |
| Functional safety | Safe Torque Off (STO), not upgradable |
Frequently Asked Questions
What is the Danfoss 137L4178 used for?
The Danfoss 137L4178 is used for controlling the speed and performance of AC motors in industrial automation and machinery applications.
What drive series does the Danfoss 137L4178 belong to?
The 137L4178 belongs to the Danfoss iC7-Automation frequency converter series.
What voltage range does this frequency converter support?
The Danfoss 137L4178 is designed for a 380–500 V AC supply.
What is the current rating of the Danfoss 137L4178?
This model has a rated current of 43 A, making it suitable for medium-power industrial motor control applications.
Does the Danfoss 137L4178 support PROFINET?
Yes, the Danfoss 137L4178 has PROFINET RT fieldbus communication enabled for industrial automation network integration.
Trusted by Industrial Automation Engineers
Danfoss iC7-Automation frequency converters are trusted by engineers, OEMs and industrial users for reliable motor control, flexible connectivity and dependable performance in modern automation systems.
