MCC Panels
Motor Control Panel
Custom motor control panels for 3 phase motors, 10 HP motors, DOL, reversing, star-delta, soft starter and VFD applications. Built to motor load, protection, wiring and enclosure needs.
Custom Motor Control Panels for Safe Motor Starting, Protection, Reversing, and Speed Control
Uniregal supplies custom motor control panels for industrial motors used in machines, pumps, fans, conveyors, mixers, compressors, HVAC equipment, water treatment systems, and production lines.
A motor control panel should not be selected only by motor horsepower. The real decision depends on motor load, starting current, duty cycle, direction control, overload protection, speed control, cable distance, enclosure environment, operator access, and whether the motor needs DOL, reversing, star-delta, soft starter, or VFD control
Quick Answer
A motor control panel is an electrical panel used to start, stop, protect, and control one or more electric motors.
It may include a main breaker, contactor, overload relay, motor starter, soft starter, VFD, fuses, control transformer, push buttons, selector switches, indicator lights, terminals, and optional PLC or remote control interface.
The main purpose is to make the motor operate safely under real load conditions, not only to make the motor turn.
Buyer Decision Information
Before choosing a motor control panel, the buyer should first decide how the motor needs to run.
Buyer Situation | Better Panel Direction |
|---|---|
The motor only needs basic start and stop | DOL motor starter control panel |
The motor must run forward and reverse | Reversing motor control panel |
The starting current is too high | Star-delta or soft starter panel |
Motor speed must change during operation | VFD motor control panel |
A motor drives a pump or fan | VFD may help when flow or pressure changes |
A motor drives a conveyor | Confirm start/stop frequency, load inertia, and emergency stop logic |
The motor is 10 HP or similar size | Confirm voltage, FLA, starting method, overload range, and enclosure space |
The motor is three-phase | Confirm phase loss, overload, short-circuit protection, and control voltage |
The site has frequent maintenance | Use clear labels, accessible terminals, and proper contactor layout |
The existing panel keeps tripping | Review overload setting, motor load, wiring, ventilation, and starting method |
A low-cost motor panel can become expensive if the starter is selected only by horsepower. The motor’s full-load current, starting current, load type, duty cycle, wiring distance, and protection method matter more than the cabinet photo.
Motor Control Panel vs MCC Panel
Item | Motor Control Panel | MCC Panel |
|---|---|---|
Main Purpose | Controls one motor or a small motor group | Centralizes many motor feeders |
Main Design Focus | Starter type, overload, contactor, VFD, local operation | Busbar, feeder units, sections, expansion |
Typical Use | One machine, one fan, one pump, one conveyor, one mixer | Plant-wide motor control |
Buyer Question | How should this motor start, stop, protect, and run? | How many motors need centralized control? |
This page is for motor-specific control decisions. If the project has many motor feeders grouped in one large electrical assembly, an MCC panel may be more suitable.
Common Motor Control Panel Types
Panel Type | Suitable For |
|---|---|
DOL Motor Starter Panel | Simple start/stop for smaller motors |
Reversing Motor Control Panel | Motors requiring forward/reverse operation |
Star-Delta Motor Control Panel | Larger motors where reduced starting current is needed |
Soft Starter Control Panel | Motors needing smoother acceleration and reduced mechanical shock |
VFD Motor Control Panel | Motors requiring speed control, soft start, or process adjustment |
3-Phase Motor Control Panel | Industrial motors using three-phase power |
Manual / Auto Motor Control Panel | Local operation with automatic external command |
PLC Interface Motor Panel | Motor control connected to machine or process logic |
10 HP Motor Control Panel | Example size requiring correct FLA, starter and overload selection |
How to Choose the Starting Method
Starting Method | Best For | Buyer Risk If Chosen Wrong |
|---|---|---|
DOL Starter | Simple fixed-speed motors | High inrush current may stress supply or mechanics |
Reversing Starter | Conveyors, hoists, mixers needing direction change | A wrong interlock can damage contactors or motors. |
Star-Delta Starter | Larger fixed-speed motors | Not suitable for every load; transition can still cause disturbance |
Soft Starter | Pumps, fans, conveyors needing smoother start | Does not provide continuous speed control |
VFD | Variable speed pumps, fans, conveyors, mixers | Requires heat, EMC, parameter and motor cable review |
Key Specifications to Confirm
Parameter | What to Confirm |
|---|---|
Motor Power | HP or kW rating |
Motor Voltage | 220V, 380V, 400V, 415V, 480V, or customized |
Phase | Single-phase or three-phase |
Full Load Current | Needed for breaker, contactor, overload and cable selection |
Starting Method | DOL, reversing, star-delta, soft starter, VFD |
Load Type | Pump, fan, conveyor, compressor, mixer, crusher, machine |
Duty Cycle | Frequent start/stop or continuous running |
Control Mode | Local, remote, manual/auto, PLC command |
Protection | Overload, short circuit, phase loss, under/over voltage, dry-run if pump |
Enclosure | Indoor, outdoor, IP-rated, stainless steel, wall-mounted |
Operator Devices | Start/stop buttons, E-stop, selector switch, indicator lights |
Documentation | Wiring diagram, layout, component list, test report |
Contactor Mounting and Layout Considerations
Contactor mounting is not only an internal layout detail. Poor layout can make wiring harder, increase heat concentration, and slow down troubleshooting.
Design Point | Why It Matters |
|---|---|
Space Around Contactors | Helps wiring, heat dissipation, and replacement |
Overload Relay Access | Maintenance teams need to check and reset overloads easily |
Power and Control Separation | Reduces wiring confusion and improves serviceability |
Terminal Location | Field wiring should not pass through crowded power sections |
Door-Mounted Operators | Push buttons and lights should match actual operator workflow |
Labeling | Each motor circuit, contactor, overload and terminal should be clear |
What Should Be Confirmed Before Ordering?
Information Needed | Example |
|---|---|
Motor Nameplate | Voltage, HP/kW, FLA, RPM, phase |
Load Application | Pump, fan, conveyor, compressor, mixer |
Starting Requirement | DOL, reversing, star-delta, soft starter, VFD |
Control Requirement | Local start/stop, remote signal, PLC interface |
Protection Requirement | Overload, phase loss, short circuit, E-stop, alarm output |
Environment | Indoor, outdoor, dusty, wet, hot, corrosive |
Enclosure Size | Wall-mounted, floor-standing, customized |
Component Brand | Schneider, Siemens, ABB, Eaton, Omron, Mitsubishi |
Drawing Requirement | Wiring diagram, terminal list, panel layout, BOM |
Common Components
Component | Function |
|---|---|
Main Breaker / Isolator | Incoming power isolation and protection |
Contactor | Switches motor power on and off |
Overload Relay | Protects motor from overload |
Soft Starter | Reduces starting shock and peak demand |
VFD | Controls motor speed and acceleration |
Control Transformer / Power Supply | Provides control voltage |
Push Buttons | Start, stop, reset or jog operation |
Selector Switch | Manual/off/auto or forward/reverse selection |
Indicator Lights | Power, run, fault, trip status |
Terminal Blocks | Connects motor, control signals and external devices |
Cooling Fan / Vent | Helps panel heat management when required |
Testing Before Shipment
Typical inspection items include the following:
- Component model verification
- Wiring continuity check
- Terminal and label inspection
- Grounding check
- Control voltage check
- Start/stop circuit check
- Forward/reverse interlock check when applicable
- Overload relay range check
- Soft starter or VFD basic function check when applicable
- Indicator light and selector switch check
- Visual inspection before packing
FAQ
What is a motor control panel?
A motor control panel is an electrical panel used to start, stop, protect, and control an electric motor. It may include a breaker, contactor, overload relay, starter, VFD, soft starter, buttons, indicators, and terminals.
What is the difference between a motor control panel and a motor starter panel?
A motor starter panel is usually focused on starting and protecting a motor. A motor control panel can include starter functions plus additional controls such as reversing, VFD speed control, remote operation, alarms, or PLC interface.
What is the difference between a motor control panel and an MCC panel?
A motor control panel usually controls one motor or a small motor group. An MCC panel is used to centralize many motor feeders in one larger motor control center.
How do I choose between DOL, star-delta, soft starter, and VFD?
Use DOL when the motor and supply can tolerate full-voltage starting. Use a star-delta or soft starter when starting current or mechanical shock must be reduced. Use a VFD when motor speed needs to change during operation.
What should I check for a 10 HP motor control panel?
Confirm motor voltage, phase, full-load current, starting method, load type, overload relay range, breaker size, control voltage, enclosure environment, and whether the motor needs VFD or fixed-speed starting.
What protection should a 3-phase motor control panel include?
Common protection includes short-circuit protection, overload protection, phase loss protection, proper grounding, emergency stop if required, and fault indication.
Can a motor control panel reverse motor direction?
Yes. A reversing motor control panel can use forward and reverse contactors with proper electrical and mechanical interlocks to prevent both directions from being energized at the same time.
Can you build a VFD motor control panel?
Yes. VFD motor control panels can be built for pumps, fans, conveyors, mixers, and other motor-driven equipment requiring speed control or soft starting.
What information is needed for a quotation?
Please send the motor nameplate, voltage, phase, HP/kW, full-load current, load type, starting method, control mode, protection requirement, enclosure environment, and available drawings.
Request a Quotation
Send us your motor nameplate, load application, starting method, control requirement, protection needs, and enclosure condition.
Our team will review the motor control panel configuration before quotation, so the proposal is based on how the motor actually runs, not only the motor horsepower.

Contact us through:
Email: info@uniregal.com
Web: www.uniregal.com