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The ZONCN Z2400-55G is a 55kW three-phase vector control inverter from the Z2000 series, purpose-built for heavy-duty industrial motor control at 380V. Powered by sensorless flux vector control (SFVC) technology, it delivers high-precision speed regulation without encoder feedback, ensuring efficient and accurate motor operation across demanding load conditions.
The Z2000 series supports a maximum output power of up to 450kW and is widely deployed in fans, pumps, compressors, conveyor systems, and other industrial equipment, earning positive feedback from customers worldwide.
| Item | Specification |
| Model | Z2400-55G |
| Rated Power | 55 kW (Constant Torque, G Type) |
| Input Voltage | 3-Phase AC 380V ±15%, 50/60 Hz |
| Output Voltage | 0–400V AC (3-Phase) |
| Control Mode | Sensorless Flux Vector Control (SFVC) / V/F Control |
| Max Output Frequency | 0–320 Hz (Vector) / 0–3200 Hz (V/F) |
| Starting Torque | 150% @ 0.5 Hz (SFVC, G Type) |
| Speed Range | 0: 100 |
| Speed Stability Accuracy | ±0.5% |
| Overload Capacity | 150% for 60s，120% continuous |
| Carrier Frequency | 1–16 kHz, auto-adaptive |
| Torque Boost | Auto or manual: 0.1%–30.0% |
| V/F Curve | Linear / Multi-point / N-power (1.2, 1.4, 1.6, 1.8, 2.0) |
| Acceleration/Deceleration | Linear or S-curve, 0.0–6500.0s, 4 sets |
| DC Braking | Frequency: 0.00 Hz–max; Time: 0.0–100.0s |
| JOG Control | 0.00–50.00 Hz |
| Built-in PID | Yes |
| Communication | RS485 / Modbus RTU (standard); EtherCAT (optional) |
| Protection Class | IP20 |
| Ambient Temperature | -10°C to 40°C |
Dual Control Modes
Sensorless Flux Vector Control (SFVC) and V/F control for maximum application flexibility.
High Starting Torque
150% rated torque at 0.5 Hz (SFVC, G type), ensuring smooth heavy-load startup.
Strong Overload Capacity
150% rated current for 60 seconds and 180% for 3 seconds, handling frequent impact loads without tripping.
Precise Speed Regulation
Speed stability accuracy of ±0.5% with a 1:100 speed range.
Built-in PID Control
Closed-loop process control for pressure, flow, and temperature regulation.
Auto Voltage Regulation (AVR)
Maintains stable output voltage despite mains fluctuations.
Rapid Current Limiting
Minimizes nuisance overcurrent faults and ensures continuous operation.
Flexible Communication
Standard RS485 with Modbus RTU protocol; optional EtherCAT for advanced automation systems.
Comprehensive Protection
Phase loss, overheat, overvoltage, and overcurrent protection functions.
Remote Control Options
Detachable LED keypad for convenient operation and monitoring.
The Z2400-55G is engineered for a wide range of industrial motor control scenarios:
Fans and pumps — energy-efficient variable torque operation with built-in PID
Air compressors — stable pressure control for screw and reciprocating compressors
Conveyor systems — smooth S-curve start/stop for material handling
Machine tools — spindle motor control with high-precision speed regulation
Textile machinery — reliable performance in dense wiring environments
Food processing equipment — consistent motor control for production lines
Packaging and printing machinery — precise tension and speed control
Crushers and grinding equipment — high starting torque for heavy-duty loads
Whether used in manufacturing plants, chemical processing industries, or building material production, the Z2000 series delivers dependable motor control solutions
Dual-Torque Universal Design: Z2400 series features dual G/P torque modes for both heavy constant-torque machinery and light variable-torque fan/pump loads. One VFD fits multiple scenarios, simplifying selection and lowering inventory costs.
High-Stability Vector Control: Adopts sensorless flux vector & V/F dual control, outputting 150% high torque at 0.5Hz with ±0.5% precise speed regulation. It eliminates motor jitter and weak startup power, delivering stable full-speed operation.
Strong Environmental & Grid Adaptability: Supports ±15% wide voltage fluctuation for unstable industrial power grids. Adaptive carrier frequency and anti-interference design ensure low noise, low vibration and long-term reliable operation.
Energy-Saving & Expandable Functions: Built-in energy-saving algorithm and PID closed-loop control reduce power consumption by 20%-40%. Standard Modbus RS485 and optional EtherCAT enable remote monitoring and intelligent system integration.
Full Protection & Certified Reliability: Equipped with comprehensive electrical protection and 150%/60s overload capacity to resist sudden load impacts. CE-certified with IP20 protection and 18-month warranty for safe industrial operation.
High Cost-Performance & Global Support: Adopts industrial-grade hardware with optimized circuitry to balance premium performance and affordable price. Backed by complete global after-sales and technical support for industrial speed regulation and energy-saving projects.
1. What is the Z2400-55G?
A: It is a 55kW constant-torque vector inverter from ZONCN’s Z2000 series, designed for 380V three-phase input and heavy-duty industrial motor control.
2. What control modes and starting torque does it support?
A: It supports sensorless flux vector control (SFVC) and V/F control. In SFVC mode, it delivers 150% rated torque at 0.5 Hz for reliable heavy-load startup.
3. What is its overload capacity?
A: 150% rated current for 60 seconds and 180% for 3 seconds (G type), ensuring stable operation under impact loads.
4. Does it support PID control and remote communication?
A: Yes. It features built-in PID control and standard RS485 Modbus RTU communication. EtherCAT is available as an option.
5. What certifications, warranty, and ordering terms do you offer?
A: CE certified, with an 12-month warranty. MOQ is 1 unit. Lead time is 7–30 days. Payment via T/T or PayPal. OEM/ODM inquiries are welcome.
