Eaton PowerXL DG1-34140FN-C21C Variable Frequency Drive
Overview
The Eaton PowerXL DG1-34140FN-C21C is a general-purpose variable frequency drive from Eaton’s PowerXL DG1 series, rated for 75 kW / 100 hp operation on a 380–500 V three-phase supply with an integrated EMC filter and DC choke. Designed for pump, fan, compressor, and conveyor applications, the DG1-34140FN-C21C combines an IP21/Type 1 enclosure, an intuitive LCD keypad, and multiple built-in communication protocols in a single field-ready package, reducing the engineering effort needed to specify and commission a motor speed control solution.
In Oman and the GCC, Seven Star LLC proudly supplies the Eaton PowerXL DG1-34140FN-C21C to industrial facilities, panel builders, and EPC contractors across the Sultanate of Oman and the wider GCC. Seven Star LLC supplies the Eaton PowerXL DG1-34140FN-C21C on request with the manufacturer datasheet and technical support with selection.
Operating Principle
The Eaton PowerXL DG1-34140FN-C21C converts fixed-frequency incoming AC power into a regulated DC bus through its rectifier stage, then re-synthesizes this DC bus into a variable-voltage, variable-frequency output waveform using an IGBT inverter bridge under pulse-width modulation. This variable output frequency directly controls the rotational speed of a connected induction motor, allowing continuous, stepless speed adjustment in place of fixed-speed operation with mechanical throttling, dampers, or valves.
On variable-torque loads such as centrifugal pumps and fans, where power consumption scales with the cube of rotational speed, this electronic speed control can deliver substantial energy savings compared to a motor running at full speed against a throttled valve or damper. The integrated EMC filter and DC choke built into the DG1-34140FN-C21C reduce harmonic distortion fed back onto the supply network and improve electromagnetic compatibility, addressing two of the most common causes of nuisance tripping and radio-frequency interference on industrial sites without requiring separate external filtering hardware.
Engineering Design of the Eaton PowerXL DG1-34140FN-C21C
Physically, the Eaton PowerXL DG1-34140FN-C21C is housed in an IP21/Type 1 rated sheet-metal enclosure suited to installation in a standard electrical room or ventilated plant room without requiring an additional protective cabinet. A backlit LCD keypad with tactile navigation buttons is mounted on the front door, giving commissioning engineers direct access to parameter configuration, fault diagnostics, and real-time operating data such as output frequency, current, and motor load without needing a separate laptop or software tool for routine tasks.
On the connectivity side, the DG1-34140FN-C21C ships with EtherNet/IP, Modbus TCP/RTU, and BACnet MS/TP communication support built into the base drive, allowing direct integration into building management systems and industrial PLC networks without add-on communication cards for the most common protocols. The drive’s coated printed circuit boards provide additional protection against humidity, dust, and corrosive atmospheres, a design consideration directly relevant to GCC industrial and coastal environments where airborne salinity and high ambient humidity can otherwise shorten electronic component life.
Key Features
The Eaton PowerXL DG1-34140FN-C21C combines strong power handling with practical, field-ready design. Key features include:
- Rated output of 75 kW / 100 hp with a maximum overload current rating of 140 A.
- Input voltage range of 380–500 V three-phase, 50/60 Hz, compatible with GCC low-voltage distribution networks.
- Integrated EMC filter and DC-link choke, reducing harmonic distortion and radio-frequency interference without external filtering hardware.
- IP21/Type 1 enclosure rating suitable for standard electrical room installation.
- Built-in EtherNet/IP, Modbus TCP/RTU, and BACnet MS/TP communication protocols for PLC and building management system integration.
- Backlit LCD keypad for direct parameter configuration and real-time diagnostic readout at the drive.
- Coated printed circuit boards for enhanced protection against humidity, dust, and corrosive atmospheres.
- Suited to pump, fan, compressor, and conveyor motor control applications across general industry.
Industrial Applications
The Eaton PowerXL DG1-34140FN-C21C is well suited to large pump and fan installations, HVAC air-handling systems, compressor stations, and conveyor drive circuits in the 75 kW power class, wherever a facility needs to move away from fixed-speed motor operation toward energy-efficient variable-speed control. In the GCC region, where district cooling plants and large commercial HVAC systems represent a major share of installed motor load, replacing throttled fixed-speed pumps and fans with PowerXL DG1 variable-speed control can materially reduce electricity consumption and demand charges.
In Oman and the GCC, Seven Star LLC supplies the PowerXL DG1-34140FN-C21C to facility engineering teams, system integrators, and panel builders serving hospitality developments, hospital complexes, and industrial zones such as the Sohar and Salalah economic free zones, where the drive’s coated PCB protection and built-in BACnet connectivity are particularly valuable for integrating with existing building management systems. Seven Star LLC’s regional warehouse presence ensures replacement units and spares reach GCC facilities without the extended lead times of direct overseas procurement.
Technical Specifications
The table below summarizes the principal specifications for the Eaton PowerXL DG1-34140FN-C21C variable frequency drive.
| Parameter | Specification |
|---|---|
| Model | Eaton PowerXL DG1-34140FN-C21C |
| Series | Eaton PowerXL DG1 general-purpose VFD |
| Rated Power | 75 kW / 100 hp |
| Maximum Overload Current | 140 A |
| Input Voltage | 380–500 V, 3-phase, 50/60 Hz |
| Enclosure Rating | IP21 / Type 1 |
| Communication | EtherNet/IP, Modbus TCP/RTU, BACnet MS/TP |
| Filtering | Integrated EMC filter and DC-link choke |
| Operator Interface | Backlit LCD keypad |
| PCB Protection | Conformal coating for humidity, dust, and corrosive atmospheres |
Request a Quote for Eaton PowerXL DG1-34140FN-C21C
Facility engineers, panel builders, and procurement teams in Oman and across the GCC can request a formal RFQ for the Eaton PowerXL DG1-34140FN-C21C directly from Seven Star LLC’s instrumentation and drives division. In Oman and the GCC, Seven Star LLC supplies on request with lead time confirmed at quotation, provides the full technical datasheet for engineering review, and offers application support for selecting the correct power rating and communication configuration for your motor load. Contact Seven Star LLC today for a quotation on the Eaton PowerXL DG1-34140FN-C21C variable frequency drive, with local technical support.
Browse the full Eaton range or see more AC Drives products supplied by Seven Star LLC in Oman and the GCC.
- Datasheet Eaton PowerXL DG1-34140FN-C21C Datasheet Download
Eaton circuit protection listed here
The NZMN1-A80 is a frame size 1 molded case circuit breaker rated 80 A with a thermomagnetic release for cable and system protection. The PKZM0-1,6 is a motor-protective circuit breaker whose overload release is adjustable from 1 to 1.6 A, used as a manual motor starter. The LPJ-35SP is a Bussmann series Low-Peak Class J time-delay fuse rated 35 A at 600 V AC. Older NZM and PKZ devices carry the Moeller name on the nameplate, and the type designations are the same.Where Eaton breakers and fuses are used
Motor control centers, feeder panels, machine control cabinets and UL-style fused disconnects.Ordering Eaton parts: what we need
Send the full type and article number, the number of poles, the current rating or setting range, and any accessories such as auxiliary contacts, trip releases or rotary handles.Browse Eaton products by category: Circuit Breaker.
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