| Product Overview |
Medium-to-high power industrial equipment—from large booster pumps to heavy-duty textile machines—requires a variable frequency drive (VFD) that balances raw power with refined control. Goldbell’s G500 15/18.5/22/30KW VFD delivers exactly that, merging optimized vector control technology with a rugged, user-centric design. For equipment manufacturers, factory integrators, and automation engineers, this drive isn’t just a component; it’s a cost-effective solution that ensures stable, efficient motor operation across the most demanding industrial scenarios.
1. Industrial-Grade Aesthetics: Durability with Brand Recognition
The G500’s design speaks to both functionality and brand identity. Its robust enclosure, reinforced with Goldbell’s signature blue stripe and clear logo, stands out in crowded factory floors while reinforcing trust in the brand’s quality. The durable casing is engineered to resist the harsh conditions of industrial environments—high temperatures in plastic processing plants, humidity in food production facilities, and dust in woodworking shops—without compromising performance.
Practicality is woven into every detail. Flexible mounting options (wall-mount or cabinet installation) let it adapt to space constraints, whether you’re outfitting a compact control room or integrating it into custom machinery. The clean industrial appearance blends seamlessly with existing equipment, making it a visually cohesive addition to any production line.
2. Precision Control: Tuned for Medium-to-High Power Performance
At the core of the G500’s capabilities is its optimized vector control algorithm, specifically calibrated for 15kW to 30kW applications. Unlike basic drives that struggle with heavy loads, it offers multiple control modes—V/F, vector, open-loop, and closed-loop—to match diverse equipment needs. Closed-loop control ensures pinpoint speed and torque regulation for sensitive tasks like food packaging lines, while vector control delivers high torque at low frequencies, eliminating stalling when starting grinders or cutters.
Key performance features elevate its reliability: an output frequency range of 0–600Hz allows fine-tuning for specialized machinery, while 150% overload capacity for 60 seconds handles sudden load spikes—common in booster pumps or conveyor systems—without downtime. Smooth acceleration and deceleration minimize mechanical stress on motors and gearboxes, reducing maintenance costs and extending equipment lifespan.
3. Unwavering Reliability: Built to Minimize Downtime
Industrial downtime is costly, and the G500 is engineered to prevent it. A multi-level protection system acts as a safety net: overcurrent (OC), overvoltage (OV), undervoltage (UV), overheating (OH), short circuit, and input/output phase loss protections shield the drive and connected motors from electrical faults and mechanical failures.
Durability is enhanced by high-quality components and a built-in industrial fan that maintains optimal operating temperatures, even during extended use. Whether installed in a hot HVAC room or a dusty workshop, the G500 delivers consistent performance. Its low failure rate translates to fewer service calls, keeping critical production lines and infrastructure running smoothly—an essential advantage for medium-to-high power operations.
4. User-Friendly & Cost-Effective: Efficiency That Saves
Despite its high-power capabilities, the G500 prioritizes ease of use. Its intuitive LED interface and simplified parameter setup let integrators configure settings in minutes, eliminating the need for specialized training. Remote monitoring and integration are seamless too, thanks to RS485 (Modbus), CAN, and optional Ethernet communication—enabling central control of multiple drives across a factory floor.
Cost savings are substantial. Optimized motor performance reduces energy consumption by up to 35% compared to fixed-speed systems, cutting utility bills for high-use equipment like large cooling fans or circulation pumps. By reducing motor strain, the drive also extends machinery lifespan by 25% or more, lowering replacement costs. Its competitive pricing and low maintenance needs make it a high-value choice for budget-conscious operations.
Versatile Applications: Power Across Critical Industries
The G500’s adaptability shines across sectors. In water systems, it regulates large supply, booster, and deep well pumps with consistent efficiency. In manufacturing, it controls heavy-duty mixers, grinders, and conveyors. Automation lines (plastic, textile, food, packaging) benefit from its precise speed control, while HVAC systems rely on it to manage large cooling towers. Municipal water treatment facilities trust its durability for 24/7 pump operation.
Backed by CE and ISO9001 certifications, the G500 meets global quality standards, making it suitable for international applications. It’s more than a drive—it’s a critical component that powers medium-to-high power industrial operations. For anyone seeking reliable, precise, and cost-effective control for their high-power equipment, the Goldbell G500 15/18.5/22/30KW VFD is the clear choice.






| Specifications and Parameters |
Model:G500
Input Voltage:220V / 380V / 480V / 690V (customizable)
Power Range:15kW / 18.5kW / 22kW / 30kW
Control Modes:V/F control / Vector control / Open-loop / Closed-loop control
Output Frequency:0–600 Hz
Overload Capacity:150% for 60 seconds
Communication:RS485 (Modbus), CAN, optional Ethernet
Protections:OC, OV, UV, OH, short circuit, input/output phase loss
Display:LED
Cooling:Built-in industrial fan
Mounting:Wall-mount / cabinet installation
Compliance:CE, ISO9001
(G500Design Highlights)
1. Industrial Appearance
Robust enclosure
Goldbell blue stripe
Clear brand logo
2. Precise Motor Control
Advanced vector algorithms
High torque at low frequency
Smooth acceleration and deceleration
3. Industrial-Grade Reliability
Multi-level protection system
Suitable for high temperature, humidity, and dusty environments
Durable high-quality components
4. Easy to Use
Intuitive interface
Simple parameter setup
Supports remote monitoring and integration
5. Cost-Effective
Optimized motor performance
Reduces energy consumption
Extends motor and equipment lifespan
Pumps: supply, booster, deep well, circulation
Fans: ventilation, exhaust, cooling
General equipment: mixers, grinders, cutters, small conveyors
Automation production lines: plastic, textile, food, packaging
HVAC systems
Municipal water treatment
Q: Is theG500suitable for medium-to-high power industrial environments?
A: Yes, designed with industrial-grade components for high temperature, humidity, and dusty environments.
Q: Does it support remote monitoring?
A: Yes, via RS485 (Modbus), CAN, or optional Ethernet.
Q: What maintenance is required?
A: Keep ventilation clear and remove dust periodically.
Q: Do you provide technical support?
A: Yes, full online support including wiring guidance, parameter setup, and troubleshooting.
For quotations and technical details aboutG500Series (15 / 18.5 / 22 / 30 kW), contact Goldbell:
Email: [email protected]
Phone: +86 17316086390