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137N7877 Danfoss iC7-Automation 500kW/650 3 phase low-harmonic drive
Danfoss 137N7877 iC7-Automation enclosed variable frequency drive, 500 kW low-harmonic AC drive with Modbus TCP communication, STO and SS1-t safety functions, IP54 enclosure and 380-500 V AC operation.
£80,481.00
Why Choose the Danfoss 137N7877 iC7-Automation Enclosed Drive?
The Danfoss 137N7877 is a high-capacity iC7-Automation enclosed variable frequency drive (VFD) designed for demanding industrial motor control applications where efficiency, reliability and precise automation performance are essential. As part of the advanced Danfoss iC7-Automation enclosed drive series, it is engineered for large motors used in process industries, utilities, manufacturing and heavy-duty machinery.
This enclosed drive combines low-harmonic drive technology, robust cabinet construction and flexible automation integration. The iC7 platform is developed for highly demanding applications and offers configurable cabinet options, making it suitable for complex industrial installations where uptime, power quality and dependable motor control are critical.
With a rated output power of 500 kW / 650 HP, a three-phase 380-500 V AC supply and a 880 A current rating, the Danfoss 137N7877 is ideal for large pumps, fans, compressors, conveyors and heavy industrial process systems. Its IP54 / UL Type 12 enclosure provides enhanced protection for demanding environments.
Key Advantages
- High-capacity enclosed variable frequency drive for industrial automation.
- 500 kW / 650 HP power rating for large motor applications.
- 880 A current rating suitable for demanding heavy-duty systems.
- Three-phase 380-500 V AC input compatible with industrial power networks.
- Low-harmonic drive design helps improve power quality.
- IP54 / UL Type 12 enclosure for protected industrial installation.
- Integrated Safe Torque Off (STO) and SS1-t functional safety.
- Modbus TCP communication for automation and control network integration.
Key Features
- Danfoss iC7-Automation enclosed drive series.
- 500 kW / 650 HP rated output power.
- 880 A rated current.
- Three-phase 380-500 V AC input supply.
- Low-harmonic enclosed drive configuration.
- IP54 / UL Type 12 protection rating.
- EMC Category C3.
- Frame AE11 + IE11.
- Modbus TCP OS7MT communication interface.
- STO and SS1-t safety functions with fieldbus support.
- Control Panel 2.8 OPX20 operator interface.
- 24 VDC control power supply.
- Air-cooled enclosed cabinet construction.
Reliable Motor Control for Heavy Industrial Systems
Variable frequency drives such as the Danfoss 137N7877 regulate motor speed and torque by adjusting output voltage and frequency. This allows large industrial motors to operate more efficiently while improving process control, reducing mechanical stress and supporting smoother machine operation.
The Danfoss iC7-Automation enclosed drive platform is built for industrial environments where high power capacity, connectivity, functional safety and robust cabinet protection are required. Its low-harmonic design helps reduce electrical network distortion, supporting reliable operation in demanding plant and process systems.
Typical Applications
- Large industrial pumps and pumping stations.
- Fans, blowers and ventilation systems.
- Compressors and process machinery.
- Material handling and conveyor systems.
- Water and wastewater treatment plants.
- Manufacturing and production lines.
- Mining, minerals and heavy industrial equipment.
- Process automation and plant engineering systems.
Technical Specifications
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| Power | 500 kW | |
|---|---|---|
| Current | 880 A | |
| Voltage | 500 V | |
| Phase | Three Phase | |
| IP Rating | IP54 | |
| Series | iC7-Automation Enclosed Drives | |
| Model code | IC7-60EA3H05-880AE54F3+BAMT+CAR0+DAAU+EGXX+GACO+IFCS+IHAS+IICD | |
| Product type | Enclosed AC variable frequency drive | |
| Drive category | Air-cooled enclosed drive | |
| Rated output power | 500 kW / 650 HP | |
| Rated current | 880 A | |
| Input voltage | 380-500 V AC | |
| Input phases | 3-phase | |
| Drive type | Low-harmonic drive | |
| Protection rating | IP54 / UL Type 12 | |
| Frame | AE11 + IE11 | |
| EMC category | C3 | |
| Communication protocol | Modbus TCP | |
| Functional safety | STO, SS1-t, fieldbus | |
| Control panel | Control Panel 2.8 OPX20 | |
| Control power supply | 24 VDC | |
| Cooling | Air cooled | |
| Auxiliary supply | AC supply terminals | |
| Net weight | approx. 980 kg | |
| Gross weight | approx. 1110 kg |
Frequently Asked Questions
What is the Danfoss 137N7877 used for?
The Danfoss 137N7877 is used to control large three-phase AC motors in demanding industrial automation, process control and heavy machinery applications.
What motor power is supported by this drive?
This enclosed drive is rated for 500 kW / 650 HP motor applications.
What supply voltage does the drive require?
The Danfoss 137N7877 operates from a three-phase 380-500 V AC supply.
What enclosure rating does this drive have?
This model has an IP54 / UL Type 12 enclosure rating, making it suitable for protected industrial installations.
What safety functions are included?
The drive includes Safe Torque Off (STO) and SS1-t functional safety, with fieldbus safety support.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation enclosed drives are trusted by engineers, OEMs and industrial operators for efficient high-power motor control, advanced connectivity and reliable performance in demanding industrial applications.
