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Protection
MCCB/MPCB and input isolation
Variable Frequency Drive (VFD) Panels
Product detail
Product snapshot
Variable Frequency Drive (VFD) Panels
Speed control panels with protection, bypass, filtering and BMS/PLC feedback.
02
Drive
Speed, torque and ramp profile
03
Filtering
Reactor, EMC and dV/dt review
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BMS/PLC
Setpoint, run, fault and energy data
Drive duty
Torque curve, overload and speed-control range
Power quality
Reactors, EMC filters, dV/dt and harmonic review
Thermal design
Panel heat load, fan/filter and derating check
Integration
Modbus, Ethernet, BMS, PLC and bypass logic
Read more
VFD panels for pumps, fans, conveyors, extruders and compressors where speed control, energy performance, soft starting and process stability matter.
Nairobi Power Engineers designs and manufactures the assembly around site duty, prospective fault level, installation access, service continuity, cable entry and maintainability. The supply can be configured with ABB, Schneider Electric or CHINT equipment according to duty, lead time and lifecycle support.
VFD panel designs include drive sizing, overload duty, reactor/filter selection, bypass logic, heat-load calculations, ventilation, cable-length review and BMS/PLC signal mapping.
- Single-drive and multi-drive VFD panels with mains isolation and bypass options
- Line reactors, load reactors, EMC filters, dV/dt filters and screened cable guidance
- Panel ventilation, fan/filter sizing and thermostat control for Kenyan ambient conditions
- Modbus, Ethernet, BMS and PLC interfaces for setpoint, run, fault and energy data
- Motor load profile, torque curve, overload requirement and speed-control range
- Supply quality, harmonics, reactor/filter requirements and cable length
- Heat dissipation, panel airflow, derating and dust-filter maintenance access
- BMS/PLC protocol, analogue signal scaling, bypass logic and fault-handling sequence
OEM selection basis
ABB, Schneider Electric and CHINT fit where they genuinely belong.
- ABB ACS drives for industrial pumps, fans and process-control duties.
- Schneider Altivar VFDs for HVAC, water and machine-control applications.
- CHINT VFDs and controls for practical value-engineered speed-control panels.
- NPE harmonic, ventilation and bypass engineering for installations exposed to high ambient temperature or long motor cables.
Technical detail library
Product Range & Target Markets, Switchboard Features and Options:
VFD rows only: drive feeders, bypass panels, reactors, EMC filters, ventilation and Modbus/BMS integration hardware. Open the cards for ratings, source basis, build options and direct contact links.
Engineering Calculator
Instant Technical Sizing
Enter parameters for real-time IEC/KPLC-standard sizing. Results update dynamically.
Sizing results
Estimated FLA
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Main Contactor
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Overload Range
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Suggested Frame
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* For reference only. NPE engineering verifies configurations prior to build.
Frequently Asked Questions
What is included in Variable Frequency Drive (VFD) Panels?
Our Variable Frequency Drive (VFD) Panels solutions are custom-engineered and assembled locally at our Baricho Road workshop in Nairobi. A standard build includes high-quality modular enclosures, premium copper busbars (rated for local environmental conditions), type-tested circuit breakers or control elements from trusted global partners (ABB, Schneider Electric and CHINT), and comprehensive routine test certifications before delivery.
Which standards and ratings should be confirmed?
All assemblies comply with KEBS and EPRA regulations. You should confirm the required operational voltage (typically 415V three-phase or 240V single-phase in Kenya), rated current, prospective fault levels (e.g., 35kA or 50kA as per KPLC system requirements), form of separation (up to Form 4b), IP rating (IP31 indoor / IP54 for dust-heavy sites), and cable entry orientation (top or bottom entry).
How does NPE choose the product architecture?
NPE starts with the single-line diagram, load schedule and operating sequence, then selects the motor control path, device families, enclosure format, controls and testing requirements.
What information does NPE need to quote Variable Frequency Drive (VFD) Panels?
Send the single-line diagram, load schedule, incoming supply details, fault level if known, preferred OEM brand, cable entry direction, installation environment and delivery location.
Can NPE supply ABB, Schneider Electric and CHINT options?
Yes. NPE can quote ABB, Schneider Electric, CHINT or a mixed-OEM architecture according to rating, availability, monitoring requirement, lifecycle support and budget.
Can the system include monitoring and remote signals?
Yes. Metering, alarms, Modbus, Ethernet, BMS contacts, SCADA points and commissioning checks can be included where the selected product family supports them.
Product enquiry
Do you have a Variable Frequency Drive (VFD) Panels enquiry? Get in touch...
Use the calculators for a first-pass engineering check, then send us the SLD and load schedule for a project-ready selection.
Built and supported in Nairobi
Every VFD panel NPE builds is sized against the driven load, assembled with the reactors and filtering the installation needs, and bench-tested at our Baricho Road workshop before dispatch. Use the enquiry routes above for a sized quotation, or the form alongside to schedule an engineer.
24/7 Emergency Support
Electrical service you can count on
When variable frequency drives equipment fails, you need fast, reliable help from experienced engineers. We offer around-the-clock emergency support across Nairobi and East Africa — keeping your plant safe and powered, day or night. Whether it is an urgent breakdown or a scheduled repair, our team is ready to respond whenever you need us.
Cost and Estimates
VFD panel costs vary significantly depending on several key factors. Here is what you need to know to make informed decisions and avoid unexpected expenses.
What Affects the Cost?
The price of a VFD panel package depends on the load schedule, fault level, enclosure form and IP rating, plus the OEM equipment you specify. Site conditions and delivery timelines also move the number.
Get a Detailed Estimate
Our engineers issue itemised quotations covering equipment, assembly, factory testing and delivery — no hidden fees. You know exactly what to expect before any work begins.
Smart Maintenance
Scheduled inspection, thermographic surveys and torque checks catch small issues early, helping you avoid major repairs. Planned maintenance extends system life and protects uptime.
Fast, Reliable Response
Whether it is a scheduled upgrade or an urgent call, our Nairobi workshop at Baricho Road responds quickly and gets the job done right — minimising downtime and keeping you safe.
When in doubt, put safety first
If you are ever unsure or feel unsafe around an energised assembly, do not take chances — call a licensed engineer. Safety always comes first. Feel free to contact us or give us a call.
+254 0737-944-014How to stay safe during an electrical emergency
Overheating or Burning Smell
Isolate the supply if it is safe to do so, keep people clear of the panel and call us immediately. A burning smell around an enclosure usually indicates a loose termination or an overloaded circuit and must never be left running.
Nuisance Tripping
Repeated tripping is a symptom, not the fault. It usually points to overload, an earth leakage path or a device sized incorrectly for the duty. We test the circuit, verify discrimination and correct the root cause rather than resetting the device.
Safe Isolation and Access
Only competent, authorised personnel should open a live assembly. Follow lock-off and permit-to-work procedures, and use the correct PPE and rated test equipment for the fault level of the installation.
Routine Inspection Intervals
We recommend periodic inspection and testing in line with the KS/IEC regime for your installation category, with thermographic scanning on critical boards. We can hold the schedule for you and report against it.