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ZONCN Z2400-30G/37P is a high-power dual-rating sensorless vector VFD, specially designed for 30kW/37kW industrial screw air compressors. It adopts advanced SFVC sensorless flux vector control technology and supports dual working modes: 30kW G-type constant torque for heavy loads and 37kW P-type variable torque for light loads. One unit covers two common power specifications, perfectly matching medium and large industrial air compressor equipment.
This 3-phase 380V heavy-duty inverter is preset with dedicated air compressor control logic, equipped with AVR automatic voltage regulation, PID constant pressure closed-loop control and MODBUS-RTU communication. It delivers high low-frequency starting torque, strong overload resistance and 24-hour stable continuous operation. Effectively reducing compressor no-load and light-load power consumption, it achieves 20%-40% energy saving, serving as an ideal upgrade and replacement VFD for industrial air compressor systems.
Parameter Item | Technical Specification |
Product Model | ZONCN Z2400-11G/15P |
Rated Power | 11kW (G-type Constant Torque) / 15kW (P-type Variable Torque) |
Rated Input Current | 26A (G-type) / 35A (P-type) |
Rated Output Current | 25A (G-type) / 32A (P-type) |
Applicable Motor | 11kW constant torque motor / 15kW variable torque motor |
Input Voltage | 3-Phase 380V AC ±15% Wide Voltage |
Input/Output Frequency | 50/60Hz Input; 0~320Hz Output |
Control Mode | Sensorless Flux Vector Control (SFVC) / V/F Control |
Carrier Frequency | 1kHz~16kHz Auto Adjustable |
Starting Torque | G-type: 0.5Hz/150% High Torque; P-type: 0.5Hz/120% Torque |
Speed Regulation Accuracy | ±0.5% (Vector Control Mode) |
Overload Capacity | G-type: 150% rated current 60s, 180% 3s; P-type: 120% rated current 60s, 150% 3s |
Communication Protocol | Standard RS485, MODBUS-RTU |
Protection Grade | IP20 |
Certification | CE Certified |
Installation Type | Wall-mounted |
Warranty | 12 Months Factory Warranty |
✅ Dual G/P Dual Rating Design, Ultra High Cost Performance
This Z2400-11G/15P VFD adopts industry mainstream dual-power design, integrating 11kW heavy constant torque and 15kW light variable torque modes in one unit. G-type mode matches high-torque equipment such as air compressors; P-type mode adapts to fans and pumps. It effectively reduces customer inventory pressure and procurement costs, realizing multi-scene universal replacement.
✅ Professional Air Compressor Dedicated Vector Control
Preset exclusive air compressor operating algorithm, no complicated parameter debugging required. The advanced sensorless vector control technology provides 150% ultra-high torque at ultra-low frequency, ensuring smooth heavy-load startup without stalling. It realizes automatic speed adjustment according to real-time air consumption and stable constant-pressure air supply, perfectly solving pressure fluctuation and unstable operation problems of traditional fixed-frequency compressors.
✅ 20%-40% Significant Energy Saving Effect
Intelligently avoids no-load and light-load idle power consumption of air compressors. Combined with AVR automatic voltage stabilization technology, it optimizes motor operating efficiency under grid voltage fluctuation. Long-term operating energy saving rate reaches 20%-40%, greatly reducing factory electricity expenses and creating lasting economic benefits.
✅ Industrial Heavy-Duty Overload & Anti-trip Performance
Optimized for frequent startup and impact load of air compressors. G-type heavy-duty overload capacity adapts to peak load of 11kW/15kW screw compressors. Built-in current limit, stall control and torque limit functions effectively avoid frequent tripping faults, ensuring continuous and stable production.
✅ Built-in PID Closed-Loop Automatic Control
Integrated independent PID controller supports constant pressure closed-loop operation without external auxiliary modules. It automatically adjusts motor speed to maintain stable pipeline air pressure, improving air supply quality and reducing manual intervention, realizing fully automatic intelligent operation of air compressor system.
✅ Full Safety Protection System
Equipped with complete industrial-grade protection functions including over-current, over-voltage, under-voltage, over-temperature, output phase loss, short circuit and motor overload protection. It can automatically identify abnormal working conditions and trigger protection to avoid equipment damage and reduce maintenance downtime.
✅ Easy Integration & Simple Installation
Standard RS485 MODBUS-RTU communication supports seamless connection with PLC, HMI and SCADA systems for remote monitoring and automatic control. Rich digital and analog I/O ports and 16-segment speed regulation meet complex industrial control demands. Compact wall-mounted structure saves cabinet space with simple wiring and easy maintenance.
ZONCN Z2400-11G/15P dual-rating vector inverter is widely used in constant torque heavy-load and variable torque light-load industrial scenarios, especially suitable for air compressor energy-saving transformation:
• Air Compressor Industry (Core Application): Special frequency conversion speed regulation for 11kW/15kW screw air compressors, realizing constant pressure air supply, automatic sleep and intelligent energy saving
• Laser Cutting & Metal Processing: Stable air supply system control for laser cutting equipment to ensure cutting precision
• HVAC & Water Treatment: Energy-saving speed regulation for industrial fans, blowers and constant pressure water supply pumps
• Automation Conveying: Constant torque drive for conveyor belts and material handling equipment
• Textile, Printing & Packaging: High-precision speed control for textile machinery, printing machines and packaging equipment
• General Industrial Workshop: Energy-saving transformation and speed regulation of various 3-phase asynchronous motors.
Q1: What is the difference between G-type and P-type modes?
A: G-type is 11kW constant torque heavy-load mode, designed for air compressors, conveyors and other equipment requiring high starting torque; P-type is 15kW variable torque light-load mode, suitable for fans and water pumps. Dual-rating design realizes one machine for dual purposes with ultra-high versatility.
Q2: Is this VFD dedicated for air compressors?
A: Yes. Z2400-11G/15P is a professional air compressor-specific inverter with preset exclusive constant-pressure operation program. It perfectly matches 11kW/15kW screw air compressors, effectively solving high energy consumption and unstable air pressure problems.
Q3: What is the energy-saving effect after installation?
A: According to different workshop working conditions such as intermittent air consumption and frequent start-stop, the comprehensive energy-saving rate can reach 20%-40%, helping factories reduce long-term operating costs significantly.
Q4: Can it support 24-hour continuous industrial operation?
A: Absolutely. Adopting industrial-grade core components and optimized heat dissipation structure, it supports long-term 24-hour uninterrupted heavy-duty operation with low failure rate, fully adapting to continuous production demands of industrial workshops.
Q5: What communication functions does it support?
A: Standard RS485 interface and MODBUS-RTU protocol are available, supporting connection with PLC and HMI to realize remote parameter adjustment, real-time monitoring and automatic system control.
Q6: What is your after-sales service policy?
A: We provide 12-month official factory warranty and lifelong free technical support. Free maintenance and spare parts replacement are available for non-human damage within the warranty period.
Q7: Do you support sample and customized service?
A: Yes. We support 1PC sample testing, bulk wholesale and OEM/ODM customization including logo printing and parameter setting, with stable monthly supply capacity.
Welcome to inquire about our ZONCN series VFD inverters. We offer professional technical support, factory direct sales, customized parameters, OEM service and fast global delivery. Whether you need product parameters, quotation, sample testing or bulk order cooperation, please feel free to contact us.
We reply within 24 hours and provide one-stop industrial frequency conversion solution for your air compressor and motor energy-saving renovation project.
