The 3.7kW variable frequency drive (VFD) is designed specifically for small-power motors and is widely used in small industrial equipment such as water pumps, fans, heating systems, and conveyor belts.
Specification
|
VFD type |
HZ800SF |
HZ300A |
HZ800 |
|
Drive control mode |
VF/ Current closed loop Vector/velocity closed loop vector |
VF/ Current closed loop vector |
VF/ Current closed loop Vector/velocity closed loop vector |
|
Same power Starting torquecomparison |
★★★★★ |
★★★★ |
★★★★★ |
|
Torque control |
√ |
√ |
√ |
|
Shell color |
Brown |
Black |
Black |
|
Power range |
Three-phase 380V: 0.75 kw ~ 110 kw |
Single-phase 220V: 0.4 kw ~ 75 kw Three-phase 380V: 0.75 kw ~710 kw |
Single-phase 220V: 0.4 kw ~ 75 kw Three-phase 380V: 0.75 kw ~710 kw |
|
Operating keyboard |
Dual row display/LCD Shuttle potentiometer |
Single row display Adjustable potentiometer |
Single row display Adjustable potentiometer |
|
Synchronization rate volume |
★★★ |
★★★★ |
★★★★ |
|
Multifunction input Number of terminals |
8 |
8 |
8 |
|
Analog quantity Input quantity |
2 |
2 |
2 |
|
Analog quantity Output quantity |
2 |
2 |
2 |
|
relay Output quantity |
2 |
2 |
2 |
|
485 communication |
√ |
√ |
√ |
|
Module/single tube |
Module |
Module |
Module |
|
An external expansion card is connected |
X |
X |
Support expansion card (PG/IO) |
Application
Small Water Pump Systems: Used for domestic water supply, irrigation, and small industrial water supply systems, controlling flow and pressure by adjusting pump speed.
HVAC Fan Systems: In small HVAC systems, controlling fan speed to regulate airflow and pressure, suitable for commercial buildings and small factory ventilation.
Small Conveyor Systems: Used for light-load conveyor belt systems, such as in food processing, packaging, and small-scale manufacturing.
Automated Production Equipment: Controls the motor speed of small automated production line equipment, such as mixers and packaging equipment, to regulate production speed.
Small Compressor Systems: Used in air conditioning and refrigeration equipment to adjust compressor speed to meet different temperature and pressure requirements.
Power Tools and Small Machinery: Adjusts speed in small power tools and machinery, such as cutters and grinders.
Pictures
FAQ
Q: What equipment is a 3.7kW VFD suitable for?
A: A 3.7kW VFD is suitable for three-phase AC motors with a power rating of 3.7 kW. It is commonly used in small water pumps, HVAC fans, conveyor belts, compressors, and other equipment requiring speed regulation.
Q: How do I determine if I need a 3.7kW VFD?
A: If your motor has a power rating of 3.7 kW and you need to regulate its speed (e.g., flow rate, air volume, temperature control), then a 3.7kW VFD can be used for precise speed control.
Q: What is the input voltage of a 3.7kW VFD?
A: A 3.7kW VFD typically supports three-phase AC input. Common input voltages are 380V, 400V, 415V, etc., depending on the equipment requirements.
Q: Is a 3.7kW VFD compatible with existing equipment?
A: A 3.7kW VFD is compatible with most standard three-phase motors, but you must confirm that the motor's rated power and voltage match the drive before use.
Q: Is the installation of a 3.7kW VFD complicated?
A: The installation process is relatively simple, mainly requiring correct wiring, grounding, and good heat dissipation. Wiring specifications and safety requirements in the equipment manual must be followed during installation.
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