Guangdong Zhufeng Electric Co., Ltd.
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Home> Servo VFD> Industrial Servo Inverter VFD 0-400Hz Adjustable Speed Full Protection For Pumps
Product Details
Company Details
Product Specification
Payment Terms
,MoneyGram,Western Union,T/T,D/P,D/A,L/C
Supply Ability
500-10000 per Month
Delivery Time
5 Days
Packaging Details
Carton and plywood box packaging
Control Mode
SVC/VF/FVC
Power Phase Number
Single/ Three Phase
Power
5.5-800KW
Brand Name
ZFENG
Model Number
ZF900 Series
Certification
CE、CB、CCC、ISO9001、ISO14001、ISO45001、EN61439、EN61000
High Light
400Hz Industrial Servo VFD
，Adjustable Speed Industrial Servo VFD
，Pumps Industrial Servo VFD
Industrial Servo Inverter VFD: 0-400Hz Adjustable Speed, Full Protection For Pumps & Fans
1. Core Features
Wide Speed Range (0-400Hz)
Enables precise speed control for low-speed (e.g., gentle fan rotation) and high-speed (e.g., centrifugal pump acceleration) applications.
Supports soft start/stop to reduce mechanical stress and energy consumption.
Full Motor Protection Suite
Overload Protection : Automatically trips if current exceeds rated capacity (e.g., 150% overload for 1 minute).Overvoltage/Undervoltage Protection : Safeguards against voltage surges (e.g., lightning strikes) or drops (e.g., grid instability).Overheating Protection : Monitors IGBT temperature and shuts down if thermal limits are exceeded.Phase Loss Protection : Detects missing phases (e.g., L1, L2, L3) and prevents motor burnout.Ground Fault Protection : Isolates the system during insulation failures to prevent electric shocks.
Optimized for Pumps & Fans
PID Control : Adjusts motor speed in real-time to maintain constant pressure (pumps) or airflow (fans), reducing energy waste by up to 30%.Sleep/Wake Function : Automatically powers down pumps/fans during idle periods (e.g., nighttime) and restarts when demand resumes.Dry Run Protection : For pumps, detects low liquid levels and stops the motor to prevent damage.
2. Technical Specifications
Parameter
Details
Input Voltage Single-phase 220V or three-phase 380V ±15% (50/60Hz)
Output Frequency 0-400Hz (adjustable via keypad/remote control)
Control Modes V/F, Sensorless Vector Control (SVC), Torque Control
Enclosure Rating IP20 (indoor) or IP55 (outdoor/dusty environments)
Communication RS485 (Modbus RTU), optional Profibus-DP/EtherCAT
Display LED/LCD screen showing frequency, current, fault codes, and operating status
3. Key Applications
Centrifugal Pumps
Challenge : Throttling valves waste energy when reducing flow.Solution : VFD adjusts pump speed to match demand, cutting power use by 40% (e.g., HVAC cooling towers).
Axial Flow Fans
Challenge : Fixed-speed fans cause noisy operation and excessive airflow.Solution : VFD ramps down fan speed during low-demand periods (e.g., nighttime ventilation), reducing noise by 10dB.
Water Treatment Systems
Challenge : Manual control leads to inconsistent chemical dosing.Solution : VFD integrates with flow meters and PID loops to maintain precise dosing rates (e.g., chlorine injection pumps).
4. FAQs
Q: Can this VFD handle single-phase motors?
A: No, it requires three-phase motors. For single-phase applications, use a phase converter or a dedicated single-phase VFD.
Q: How often should I perform maintenance?
A: Check cooling fans and heat sinks every 6 months. Replace capacitors every 5-7 years.
Q: Is IP55 necessary for indoor use?
A: Not required, but IP55 models resist dust and accidental water splashes, extending lifespan in workshops.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Total Annual:
10000000-15000000
Employee Number:
60~100
Ecer Certification：
Verified Supplier
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Reach Us
Guangdong Zhufeng Electric Co., Ltd. NO.2，JINGHU AVENUE, HUADU DISTRICT, GUANGZHOU CITY, GUANGDONG PROVINCE https://www.drivesvfd.com/
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