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137N0321 Danfoss 0.75kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N0321 iC7-Automation frequency converter featuring three-phase 380-500 V AC operation, 2.4 A output current, IP20 Open Type enclosure, PROFINET RT communication and integrated STO safety functionality.
£920.25
Why Choose the Danfoss 137N0321 iC7-Automation Frequency Converter?
The Danfoss 137N0321 is a compact and reliable iC7-Automation frequency converter designed for precise speed and torque control in industrial motor applications. As part of the advanced Danfoss iC7-Automation drive series, it delivers flexible motor control, integrated safety and modern communication options for automation systems, machine builders and industrial control panels.
This drive is engineered to improve motor performance, process accuracy and system efficiency. Its IP20 / Open Type construction is ideal for cabinet installation, while the integrated control panel, standard I/O and Ethernet-based fieldbus connectivity make it easy to integrate with PLCs and industrial automation networks.
With a three-phase 380–500 V AC supply, 2.4 A output current, EMC category C1 and C2 performance and built-in Safe Torque Off (STO), the Danfoss 137N0321 is well suited for small industrial motors used in conveyors, fans, pumps, packaging machinery and production equipment.
Key Advantages
- Compact Danfoss iC7-Automation frequency converter for industrial motor control.
- 2.4 A output current rating for small automation applications.
- Three-phase 380–500 V AC input compatible with industrial power systems.
- Integrated Safe Torque Off (STO) safety function.
- PROFINET RT fieldbus protocol enabled for automation connectivity.
- IP20 / Open Type enclosure for cabinet and panel mounting.
- EMC category C1 and C2 support for demanding installation environments.
- Standard digital and analogue I/O for flexible machine integration.
Key Features
- Danfoss iC7-Automation series.
- Air-cooled frequency converter design.
- 2.4 A nominal output current.
- 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).
- PROFINET RT OS7PR fieldbus protocol enabled.
- Ethernet port with no additional protocol enabled.
- Control Panel 2.8 OPX20 operator interface.
- Standard I/O with digital, analogue and relay connections.
Reliable Motor Control for Industrial Automation
Frequency converters such as the Danfoss 137N0321 regulate motor speed by varying the voltage and frequency supplied to the motor. This helps improve process precision, reduce mechanical wear and optimise energy consumption across machinery and automation systems.
The iC7-Automation platform is designed for modern industrial environments where safety, connectivity and flexible control are essential. With integrated PROFINET RT communication, standard I/O and STO functionality, this drive can be efficiently incorporated into PLC-controlled machinery and automated production lines.
Typical Applications
- Industrial conveyors and light material handling systems.
- Packaging and production machinery.
- Small pumps, fans and ventilation equipment.
- OEM machine building applications.
- Automated manufacturing systems.
- Process control and machinery panels.
- Factory automation and control networks.
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 | |
| Product type | Frequency Converter / Variable Frequency Drive | |
| Catalogue number | 7FC-AUFA3N05-02A4E20F1-000129367 | |
| Model code | IC7-60FA3N05-02A4E20F1+ACBC+ALDC+BAPR+BDBA+BEF1+BF20+CAR0+CBC0+DAAU | |
| Input voltage | 380–500 V AC | |
| Input phases | 3-phase | |
| Output current | 2.4 A | |
| Cooling method | Air cooled | |
| Protection rating | IP20 / Open Type | |
| Frame size | FA02b | |
| EMC category | C1 and C2 | |
| Control panel | 2.8 OPX20 | |
| Digital inputs | 4 x DI | |
| Digital I/O | 2 x DI/O | |
| Analogue inputs | 2 x AI | |
| Analogue outputs | 1 x AO | |
| Relay outputs | 2 x RO | |
| Fieldbus protocol | PROFINET RT OS7PR | |
| Additional communication | Ethernet port, no protocol | |
| Safety function | STO (Safe Torque Off), not upgradable |
Frequently Asked Questions
What is the Danfoss 137N0321 used for?
The Danfoss 137N0321 is used to control the speed and torque of AC motors in industrial automation, machine building and process control applications.
What output current does this drive provide?
The drive provides a nominal output current of approximately 2.4 A.
What supply voltage does the Danfoss 137N0321 require?
The drive operates from a three-phase 380–500 V AC supply.
Which communication protocol is supported?
The Danfoss 137N0321 has PROFINET RT OS7PR fieldbus protocol enabled, along with an Ethernet port.
Does this frequency converter include a safety function?
Yes, the drive includes integrated Safe Torque Off (STO) functionality to support machine safety requirements.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by automation engineers, OEMs and industrial operators for dependable motor control, flexible connectivity and efficient machine performance.
