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ZONCN Z2400-75P is a high-performance vector VFD from the Z2000 series, engineered for square torque loads such as large fans and water pumps. Rated 75kW, 3-phase 380V~440V, with 150A rated output current. This P-type drive delivers stable speed regulation and remarkable energy-saving performance for medium & large industrial fluid equipment, ideal for retrofitting existing fixed-speed systems and new project deployment.
Built with sensorless vector control algorithm, the drive maintains steady output under fluctuating load conditions. Integrated IPM power modules lower heat generation and extend service life. It comes with rich built-in functions including PID closed-loop regulation, multi-speed preset, automatic voltage stabilization (AVR) and stall protection, simplifying system configuration without extra PLC hardware.
Optimized for Fan & Pump Loads
P-type square torque design specially tuned for blower, water pump and HVAC systems. Substantial energy savings when operating under variable flow demands, cutting long-term operational costs.
Reliable Sensorless Vector Control
0.5Hz starting torque up to 100% rated torque. Wide speed adjustment range (1:100) and ±0.5% steady-speed precision, guaranteeing consistent motor performance under changing working conditions.
Comprehensive Built-in Functions
On-board PID closed-loop control for pressure/flow automatic regulation
16 segments multi-speed operation via digital terminals
AVR automatic voltage regulation, stable output even with grid voltage fluctuation
Stall prevention & fast current limit to reduce unexpected tripping
Full-Range Protection System
Multiple protective mechanisms cover over-current, over-voltage, under-voltage, overheating, overload and phase loss detection. 120% rated current for 60s overload capacity, 150% for 3s, perfectly matching fan/pump load characteristics.
Easy Installation & Operation
Detachable digital keypad with clear parameter display. Support external brake resistor connection for frequent start-stop scenarios. Compact cabinet layout saves installation space in control rooms.
Dual Rating: 110 kW (G-type, constant torque) / 132 kW (P-type, variable torque) — one inverter for two load profiles.
Precise Control: Sensorless vector (SVC) and V/F modes; ±0.5% speed accuracy; 1:100 speed range.
Strong Overload: G-type 150% rated current for 60 s, 180% for 3 s.
Built-in Functions: Braking unit (standard ≤37 kW, optional above), PID, RS485 Modbus-RTU, 10 auxiliary frequency sources.
Reliable Design: AVR, rapid current limit, IP20 forced cooling; -10°C to 40°C (derate above 40°C), ≤95% RH non-condensing, ≤1000 m altitude.
Brand & Support: ZONCN (SSE: 603275), Top 10 China inverter brand; 4 factories, exports to 40+ countries.
Certification: CE certified; OEM/ODM available.
| Parameter | Specification |
| Model | Z2400-75P |
| Series | ZONCN Z2000 Vector Inverter |
| Rated Power | 75kW |
| Rated Output Current | 150A |
| Input Voltage | PH AC 380V~440V, ±15% |
| Control Mode | Sensorless vector control / V/F control |
| Overload Capacity | 120% rated current for 60s; 150% for 3s |
| Max Output Frequency | 0 ~ 2000Hz |
| Keypad | Removable digital operation panel |
Water supply & sewage treatment: water pumps, booster pumping stations
HVAC & ventilation: factory blowers, exhaust fans, boiler induced draft fans
Metallurgy & chemical industry: process air circulation and fluid transfer equipment
Building energy saving: central air conditioning pump and fan renovation
Agricultural irrigation & municipal water projects
Q1: What does P-type mean for Z2400-75P?
A: P variant is optimized for square torque loads like fans and pumps, featuring energy-saving logic and matched overload capacity, different from G-type constant-torque models for heavy machinery.
Q2: What motor can this VFD drive?
A: It matches 75kW three-phase asynchronous motors, widely used for water pumps, blowers and similar fluid equipment.
Q3: Can it work with unstable grid voltage?
A: Yes. The built-in AVR function automatically stabilizes output voltage when mains power fluctuates within ±15% of rated voltage.
Q4: What protections are included?
A: It includes over-current, over-voltage, under-voltage, over-temperature, phase loss and short-circuit protection to prevent sudden equipment damage.
Q5: What about delivery and packaging?
A: Standard models have short lead time. Packed in sturdy carton with foam cushioning. Sea freight, air freight and express shipping are available.
Q6: Can you help with parameter debugging?
A: Our technical team offers remote support via video or email for commissioning and parameter setting. Operation manuals are provided for onsite reference.
Should you require technical datasheets, quotations, or customized solutions, please contact us.
