BEST FITPump and fan speed control
Variable-speed motor control assemblies
VFD Control Panels
Complete VFD panels for speed-controlled pumps, fans, conveyors and machinery, engineered around motor current, load duty, supply, EMC, heat loss and the required operating interface.
Choose this panel when the process needs controlled speed, torque, ramping, energy optimization or drive diagnostics rather than fixed-speed starting alone.
Request panel quotation Selection is confirmed against loads, I/O, interfaces and the approved project basis.
Representative engineered assembly · final layout follows the approved BOM and drawingsKEY PARAMETERDrive platformSINAMICS V20, G120 or project-approved alternative
CHECK FIRSTMotor cable, driven load and field installation remain essential design inputs
RFQ INPUTMotor nameplate and load profile
Technical parameters
Selection data
These values describe the engineered panel family and the decisions behind selection. The exact ratings and deliverables are tied to the approved BOM, drawings and project basis.
ParameterFamily rangeEngineering note
Drive platformSINAMICS V20, G120 or project-approved alternativeSelect from current, duty, communication, safety and lifecycle—not kW alone.
SupplyProject-defined single- or three-phase industrial supplyConfirm voltage, frequency, earthing, fault level and power quality.
ControlLocal, remote, PLC or network controlDefine modes, command ownership, permissives, feedback and restart behavior.
ProtectionIncoming isolation and branch protection by approved designCoordination and ratings depend on available short-circuit information and destination basis.
Thermal / EMCCalculated losses, ventilation and cable-bonding planHigh IP targets, ambient, altitude and motor cable length can change accessories and size.
DeliverablesApproved BOM, drawings, settings and agreed FAT recordSoftware, site commissioning and certification are included only when contracted.
Common search questions
Quick answers for VFD Control Panels.
Family guidance narrows the request. The approved BOM, drawings and project basis remain the final technical identity.
What is VFD Control Panels best suited for?
Choose this panel when the process needs controlled speed, torque, ramping, energy optimization or drive diagnostics rather than fixed-speed starting alone. Typical applications include water pumping, hvac fans, conveyors.
Which information is required to select VFD Control Panels?
Start with motor nameplate and load profile, speed range, overload, braking and bypass needs, supply and earthing system, motor cable length and emc target. Final ratings, components and deliverables are confirmed on the approved BOM and project documents.
Can VFD Control Panels be quoted from a cabinet size only?
A cabinet dimension does not define the loads, protection, control functions, heat, interfaces, tests or documents. Honghao records the complete project basis before confirming the panel offer.
Good fit
Use it when
- Pump and fan speed control
- Conveyors and material handling
- Mixers and process skids
- OEM machines requiring variable speed
Selection limits
Check before specifying
- Motor cable, driven load and field installation remain essential design inputs
- Workshop FAT cannot prove the final site process or machine safety
- Final ratings and compliance claims follow the released project basis
Strengths
Why this family
- Duty-based drive and accessory selection
- Integrated protection and control interfaces
- Thermal, EMC and service-access review
- Documented FAT and handover scope
Typical BOM
Accessories
- Input or output reactors and filters
- Bypass or redundancy when justified
- Local HMI and controls
- PLC and communication interfaces
- Cooling and anti-condensation accessories
Application data
What to send
- Motor nameplate and load profile
- Speed range, overload, braking and bypass needs
- Supply and earthing system
- Motor cable length and EMC target
- Environment, destination, documents and FAT scope
Technical basis
Approved project data remains the final reference.
The approved motor, duty, supply and site data define the drive, protection, accessories and enclosure. Final manufacturer ratings are checked against the exact article number used in the released BOM.
Typical applications
Where it is used
RFQ checklist
Get a usable quotation
Send the loads, supply, functional description, I/O and interface data, quantity, destination country, documents and required delivery date.
Send BOM or application dataExact configuration