| CATALOG NUMBER | 3-4918-302A |
| Manufacturer | Eaton Moeller |
| Product Name | Eaton DG1 variable frequency drive |
| Catalog Number | 3-4918-302A |
| Model Code | DG1-35416FB-C00C |
| EAN | 4015081941858 |
| Product Length/Depth | 561 mm |
| Product Height | 1538 mm |
| Product Width | 1037 mm |
| Product Weight | 820 kg |
| Certifications | RoHS, ISO 9001 |
1. Product Name
Eaton 3-4918-302A / DG1-35416FB-C00C Variable Frequency Drive
2. Product Introduction
The Eaton 3-4918-302A, model DG1-35416FB-C00C, is a high-performance industrial variable frequency drive (VFD) from the Eaton DG1 series, engineered for robust and reliable control of large three-phase AC motors. Designed for demanding applications, it operates on a 600 V AC three-phase power supply and delivers a substantial continuous output of 250 kW (approximately 335 HP) at a rated current of 416 A. This drive is engineered as a comprehensive system solution, integrating a DC link choke for superior power quality and a brake chopper for effective dynamic braking. It is compliant with RoHS and ISO 9001 standards, ensuring high-quality, environmentally conscious manufacturing.
3. Product Description
The Eaton DG1-35416FB-C00C is engineered as a robust and intelligent power management system, central to optimizing the performance of large-scale industrial machinery. Its primary function is to provide precise speed and torque control for three-phase AC induction or synchronous motors, delivering enhanced process automation, significant energy savings, and extended equipment life in capital-intensive industries.
Core Electrical Specifications:
This industrial VFD is designed for high-voltage applications and requires a 600 V AC, three-phase input. On the output side, it delivers a continuous output current of 416 Amperes, enabling it to control motors with a continuous power rating of 250 kilowatts (kW), approximately equivalent to 335 horsepower (HP). This substantial power capacity makes it an ideal choice for central drive applications involving large pumps, high-capacity fans, compressors, and major conveyor systems where precise and reliable control is critical for operational stability and efficiency.
Integrated High-Performance Features:
The drive's architecture is distinguished by its integration of two critical components for superior performance and protection:
DC Link Choke (Line Reactor): This built-in component is essential for power quality management. It smooths the input current waveform drawn from the mains supply, significantly reducing harmonic distortion. This protects both the drive's internal electronics and other sensitive equipment on the same electrical network from damaging voltage spikes and transients. By mitigating harmonics, it also helps the entire facility comply with stringent utility power quality standards and contributes to a cleaner, more stable electrical infrastructure.
Brake Chopper (Braking Transistor): For applications involving rapid deceleration, frequent stop/start cycles, or overhauling loads (e.g., descending elevators, downhill conveyors, or centrifuges), managing regenerative braking energy is paramount. The integrated brake chopper provides a dedicated and reliable path to safely dissipate this excess kinetic energy to an externally connected braking resistor bank. This prevents dangerous DC bus overvoltage within the drive, enabling controlled and rapid stopping, protecting the VFD from fault trips, and enhancing overall system safety and productivity.
Robust Physical Construction and Installation Requirements:
Reflecting its industrial-grade design, the drive features a substantial and durable construction. It maintains the standardized dimensions of 1037 mm in width, 1538 mm in height, and 561 mm in depth, with a considerable weight of 820 kg. This robust frame houses heavy-duty power semiconductors and is engineered for optimal thermal management under continuous full-load operation. The unit carries an IP00 ingress protection rating, which explicitly indicates it offers no protection against the ingress of solid objects like dust or liquids. Therefore, it is mandatory to install this drive within a fully protected, clean, dry, and well-ventilated electrical enclosure or a dedicated control room to ensure its long-term reliability and safe operation.
Quality and Environmental Compliance:
The drive is produced under a ISO 9001 certified quality management system, assuring consistent manufacturing quality and reliability. It also complies with the RoHS (Restriction of Hazardous Substances) directive, confirming that it is manufactured with restrictions on the use of specific hazardous materials, making it a more environmentally responsible choice.
In essence, the Eaton DG1-35416FB-C00C is a sophisticated system solution that delivers controlled power, ensures network compatibility, and safeguards both the motor and the drive itself, making it a cornerstone for high-power, high-reliability industrial applications.
4. Product Advantages
The Eaton DG1-35416FB-C00C delivers a powerful combination of technical and operational benefits that translate into tangible value for heavy industrial operations, focusing on reliability, efficiency, and system integrity.
Reliable Operation for Critical Processes: The primary advantage of this drive is its proven capability to ensure the dependable operation of 250 kW motor systems, which are often central to continuous industrial processes. By replacing harsh direct-on-line starting with smooth, controlled acceleration and deceleration ramps, it virtually eliminates destructive mechanical shocks and high inrush currents. This dramatically reduces stress on motor windings, bearings, couplings, gearboxes, and the driven equipment itself, significantly extending the service life of these high-value assets, reducing unscheduled maintenance, and maximizing production uptime.
Enhanced Power Quality and Network Protection: The integration of the DC link choke provides a decisive advantage for plant-wide electrical system health. This component acts as an inherent filter, dramatically lowering the total harmonic distortion (THD) current injected back into the power mains. By cleaning the input current waveform, it prevents interference with and potential damage to other sensitive electronic devices such as PLCs, instrumentation, and communication networks. This proactive harmonic mitigation helps the facility maintain compliance with strict utility standards, avoids potential penalty fees, and contributes to a stable, efficient electrical environment for all connected equipment.
Effective Dynamic Braking for Demanding Applications: For systems where controlled deceleration is vital, the integrated brake chopper is an indispensable asset. In applications like mine hoists, test dynamometers, or large processing centrifuges, the motor generates substantial regenerative power during slowing down. The brake chopper provides a robust, built-in mechanism to safely channel this energy to an external resistor, preventing the drive's DC bus voltage from rising to a fault threshold. This enables faster, more precise stopping cycles, improves machine throughput, and eliminates a leading cause of unplanned drive shutdowns in dynamic applications, crucial for both operational efficiency and safety.
Engineered for Industrial Durability: The drive's substantial physical construction (820 kg) is a direct reflection of its industrial pedigree. It is built with high-reliability components and designed with a focus on effective heat dissipation, electrical insulation, and mechanical robustness to withstand the vibrations, temperature variations, and 24/7 operating schedules typical of heavy industry. This inherent ruggedness ensures long-term operational stability and minimizes the risk of catastrophic failures, making it a dependable cornerstone for mission-critical applications.
Assured Quality and Environmental Responsibility: The drive's certifications provide significant advantages in procurement and corporate responsibility. Production under ISO 9001 certification guarantees a consistent level of quality and reliability. Compliance with RoHS directives demonstrates environmental stewardship by restricting hazardous substances, which can simplify disposal, enhance workplace safety, and align with corporate sustainability goals, making it a responsible choice for modern enterprises.
5. Application Scenarios
The 250 kW power rating and advanced integrated features of the Eaton DG1-35416FB-C00C make it an excellent choice for a broad range of heavy industries that depend on efficient and reliable control of large motor-driven systems.
Mining and Bulk Material Handling: This drive is perfectly suited for mining operations. It provides reliable control for large ventilation fans, slurry pumps in mineral processing, and high-power conveyor drives for overland transport. The integrated brake chopper is particularly critical for inclined or downhill conveyors where regenerative braking must be safely managed.
Water and Wastewater Management: In large-scale municipal or industrial water facilities, this drive is ideal for controlling key pumping stations. Applications include high-lift raw water intake pumps, process pumps for various treatment stages, and effluent transfer pumps. Utilizing variable speed control allows these pumps to match output precisely to demand, achieving significant energy savings compared to constant-speed operation with throttling valves.
Oil & Gas and Petrochemical Industries: The drive serves as a reliable component across this sector. It can efficiently control large multi-stage centrifugal pumps for pipeline transport, water injection pumps, and main air or process gas compressors. It is also well-suited for large induced-draft (ID) or forced-draft (FD) fans on heaters and boilers, where precise airflow control optimizes combustion efficiency.
Power Generation: Within thermal power plants, this VFD is highly effective for optimizing the efficiency of major auxiliary systems. Key applications include driving cooling water circulation pumps, condensate extraction pumps, and boiler feedwater pumps. Controlling forced draft (FD) and induced draft (ID) fans with variable speed can lead to substantial reductions in the plant's auxiliary power consumption, improving net thermal efficiency.
Metals Production and Heavy Manufacturing: The drive delivers the precise torque and speed control required in metals processing. It is an excellent choice for main drives in steel rolling mills, large extrusion presses, and forge manipulators. These applications often involve sudden load changes; the drive's robust construction and dynamic braking capability ensure consistent product quality and protect mechanical equipment.
Heavy Test Facilities and Marine Applications: For performance validation, this drive can power large dynamometer test beds. In marine and port settings, it is suitable for powering heavy-duty deck cranes, winches, or cargo pumps, where its rugged design can endure challenging environmental conditions.
Across all these demanding scenarios, the Eaton DG1-35416FB-C00C functions as the intelligent core of the motor system, delivering not only variable speed but also ensuring electrical network stability, protecting interconnected equipment, and enabling efficient, reliable, and compliant operation.
