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137G6821 Danfoss 1.5kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137G6821 iC7-Automation frequency converter, a 1.5 kW three phase AC variable frequency drive designed for industrial motor control and automation systems.
£850.50
Why Choose the Danfoss 137G6821 iC7-Automation Frequency Converter?
The Danfoss 137G6821 is a compact and highly reliable AC variable frequency drive (VFD) designed for precise speed and torque control of three-phase motors in industrial machinery and automation systems. As part of the advanced Danfoss iC7-Automation drive series, it is specifically developed for machine builders and OEM manufacturers seeking efficient motor control and seamless automation integration.
This drive provides advanced motor control functionality while helping improve machine performance and energy efficiency. The iC7-Automation series includes integrated communication options, embedded Industrial IoT security and advanced safety functions, making it easy to integrate with PLCs and modern automation platforms. Its compact design and robust construction ensure dependable operation in demanding industrial environments.
With a rated output power of 1.5 kW and a three-phase 380-500 V AC supply, the 137G6821 is ideal for small industrial motors used in conveyors, pumps, fans, mixers and production machinery. The drive’s compact panel-mounted format enables straightforward installation inside electrical control panels and automation cabinets.
Key Advantages
- Compact variable frequency drive designed for machinery applications.
- 1.5 kW motor power rating suitable for automation equipment.
- Three-phase 380-500 V AC input compatible with industrial power systems.
- Integrated Safe Torque Off (STO) safety function.
- PROFINET RT communication for industrial automation networks.
- Integrated brake chopper and DC terminals.
- Built-in Ethernet connectivity.
- Efficient motor control improves energy performance and machine productivity.
Key Features
- Danfoss iC7-Automation frequency converter series.
- 1.5 kW rated output power.
- 4.0 A nominal output current.
- Three-phase 380-500 V AC input supply.
- Integrated Safe Torque Off (STO) functionality.
- PROFINET RT OS7PR communication interface.
- Built-in Ethernet communication port.
- Integrated brake chopper.
- DC terminals included.
- Control Panel 2.8 OPX20.
- MicroSD card reader and RTC interface board.
- Compact IP20 open-type design.
Reliable Motor Control for Industrial Machinery
Variable frequency drives such as the Danfoss iC7-Automation regulate motor speed by adjusting output voltage and frequency. This allows machinery to operate more efficiently while improving process precision and reducing mechanical stress on motors and drive components.
The iC7-Automation series is designed for machine builders and industrial automation engineers. Its integrated safety features, flexible communication capabilities and embedded cyber-security functions allow seamless integration into modern production systems and industrial networks.
Typical Applications
- Industrial conveyors and material handling systems.
- Packaging and production machinery.
- Pumps, fans and ventilation equipment.
- Mixers and processing equipment.
- Textile and manufacturing machinery.
- OEM automation systems and machine building.
Technical Specifications
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| Power | 1.5 kW | |
|---|---|---|
| Current | 4 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Product type | AC variable frequency drive | |
| Rated output power | 1.5 kW / 2 HP | |
| Rated output current | 4.0 A | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 / Open Type | |
| Mounting type | Cabinet / panel mounting | |
| Frame size | FA02b | |
| EMC category | C3 | |
| Fieldbus protocol | PROFINET RT OS7PR | |
| Functional safety | STO, not upgradable | |
| Control panel | OPX20 2.8" | |
| Standard I/O | 4x DI, 2x DI/O, 2x AI, 1x AO, 2x RO | |
| Integrated brake chopper | Yes | |
| DC terminals | Yes | |
| Dimensions (H × W × D) | approx. 270 × 90 × 247 mm | |
| Weight | approx. 3.7 kg |
Frequently Asked Questions
What is the Danfoss 137G6821 used for?
This drive controls the speed and torque of three-phase AC motors used in industrial automation and machine building applications.
What motor power is supported by this drive?
The drive supports motors with a rated output power of approximately 1.5 kW.
What supply voltage does the drive require?
The 137G6821 operates from a three-phase 380-500 V AC supply.
What communication protocols are included?
The drive supports PROFINET RT OS7PR communication and includes an Ethernet port for industrial network integration.
What safety features are included?
The drive includes an integrated Safe Torque Off (STO) safety function that allows the motor to be safely stopped when required.
Trusted by Machine Builders Worldwide
Danfoss iC7-Automation frequency converters are widely used by automation engineers and OEM machine builders to deliver reliable motor control, efficient operation and seamless integration into modern industrial equipment.
