Power Distribution Panels
Power Control Panels
Custom power control panels for industrial power distribution, AC/DC circuits, three-phase loads, machinery, HVAC, pumps, and utility systems. Built to voltage, load, breaker, enclosure, and documentation needs.
Specifications
- Application
- Custom Industrial Automation
- Control Method
- PLC / Relay Based
- Voltage
- 220V / 380V / 480V Available
- Protection Rating
- IP54 / IP65 Optional
- CCommunication Protocol
- Modbus / Profinet / Ethernet/IP
- Testing
- FAT Before Shipment
- Customization
- Available
Industrial Power Control Panels for Safe Power Distribution, Circuit Protection, and Equipment Power Management
Uniregal supplies custom power control panels for industrial facilities, production lines, machinery systems, pump stations, HVAC equipment, water treatment plants, utility systems, and project-based electrical distribution applications.
A power control panel is not selected only by voltage or cabinet size. The real decision depends on incoming power, load type, branch circuit quantity, breaker rating, three-phase balance, short-circuit protection, cable entry, grounding, metering, expansion space, and whether the panel needs to distribute AC power, DC power, or both.
For buyers, the main question is not “Can this panel distribute power?”
The better question is “Can this panel distribute power safely, clearly, and in a way that future maintenance teams can understand?”
Quick Answer
A power control panel is an electrical panel used to receive incoming power, protect circuits, and distribute power to different equipment or branch loads.
It may include a main breaker, busbars, branch circuit breakers, fuses, meters, surge protection, contactors, terminals, neutral and grounding bars, selector switches, indicator lights, and optional monitoring or control devices.
The main value of a power control panel is not only power distribution. It should help prevent overload, short circuit, unclear wiring, phase imbalance, unsafe maintenance, and field installation confusion.
Buyer Decision Information
Before choosing a power control panel, the buyer should confirm what problem the panel must solve.
Buyer Situation | Better Decision Direction |
|---|---|
Need to distribute power to several machines | Use an industrial power distribution panel with clear branch protection |
Need to feed pumps, HVAC, conveyors, or equipment groups | Confirm load list, breaker size, cable entry, and future expansion |
Need three-phase distribution | Confirm phase balance, 3-pole breakers, busbar rating, and neutral requirements. |
Need 480V or 400A service | Confirm short-circuit rating, main breaker, busbar size, enclosure ventilation, and cable space |
Need DC power distribution | Separate DC circuits clearly from AC circuits and confirm fuse/breaker selection |
Need both AC and DC circuits | Use separated wiring zones, labels, terminals, and documentation |
Existing panel is hard to maintain | Redesign around circuit labeling, terminal access, updated drawings, and spare ways |
Project may expand later | Reserve spare breakers, terminal space, enclosure space, and busbar capacity |
Installation is outdoors or in a wet area | Confirm IP/NEMA rating, enclosure material, gland plate, and corrosion protection |
The buyer only has equipment list, no drawing | Start with load schedule and distribution logic before quoting cabinet size |
A low-cost panel can become expensive if the branch circuits are unclear, cable entry is too tight, phase loads are not balanced, spare space is missing, or the drawing does not match the field wiring.
What Makes This Different From Other Panels?
Product | Main Purpose | Buyer’s Main Concern |
|---|---|---|
Power Control Panel | Distributes and protects power circuits | Load distribution, breaker sizing, phase balance, cable entry, safety |
MCC Panel | Centralizes multiple motor feeders | Motor starters, busbar, feeder units, maintenance and expansion |
PLC Control Panel | Runs automation logic | I/O, control sequence, HMI, communication |
Pump Control Panel | Controls pump operation | Level, pressure, dry-run protection, lead-lag, alarms |
Process Control Panel | Controls process variables | Temperature, pressure, flow, level, instruments |
This page is for power distribution and power protection decisions. It should not be confused with a PLC logic panel or a pump-specific control panel.
Typical Applications
Application | Typical Power Distribution Need |
|---|---|
Industrial Machinery | Main power input, branch circuits, control power, auxiliary loads |
Production Lines | Power distribution to multiple machines or process sections |
HVAC Systems | Power supply to fans, pumps, control circuits, and plant equipment |
Water Treatment Plants | Power distribution to pumps, dosing systems, control panels, instruments |
Pump Stations | Main incoming power, pump feeders, control power, alarm circuits |
Utility Systems | Power distribution for site equipment and auxiliary systems |
Industrial Workshops | Distribution to equipment groups, sockets, lighting, and control circuits |
Skid-Mounted Equipment | Compact power distribution inside packaged systems |
Retrofit Projects | Replacement of old distribution panels with clearer circuit structure |
Main Functions
Function | Why It Matters |
|---|---|
Incoming Power Isolation | Allows safe isolation of the panel during maintenance |
Branch Circuit Protection | Protects each outgoing circuit from overload or short circuit |
Three-Phase Distribution | Supports industrial loads such as motors, HVAC equipment, pumps, and machines |
Load Separation | Keeps different equipment groups easier to identify and maintain |
AC/DC Separation | Reduces confusion and risk when both AC and DC circuits exist |
Metering | Helps monitor voltage, current, energy, or phase condition |
Grounding and Neutral Arrangement | Supports electrical safety and correct field wiring |
Surge Protection | Helps protect sensitive equipment where required |
Clear Circuit Labeling | Reduces installation and maintenance errors |
Spare Capacity | Allows future circuit additions without rebuilding the whole panel |
Key Specifications to Confirm
Parameter | What to Confirm |
|---|---|
Rated Voltage | 12VDC, 24VDC, 110VAC, 220VAC, 380VAC, 400VAC, 415VAC, 480VAC or customized |
Phase | Single-phase / Three-phase |
Rated Current | 30A, 50A, 100A, 200A, 400A, 630A or customized |
Incoming Circuit | Main breaker, isolator, MCCB, MCB, fuse switch, or project-specific |
Outgoing Circuits | Number of branch circuits and breaker ratings |
Load Type | Motors, heaters, lighting, instruments, control panels, sockets, machinery |
Busbar | Copper or aluminum, rated according to current and short-circuit requirement |
Short-Circuit Rating | Confirm according to site electrical system |
Protection Devices | MCB, MCCB, fuse, RCD/RCBO, SPD, overload protection if required |
Metering | Voltmeter, ammeter, multifunction meter, energy meter |
Enclosure | Wall-mounted, floor-standing, stainless steel, outdoor, IP-rated |
Cable Entry | Top, bottom, side, rear, gland plate, cable lug space |
Control Power | 24VDC / 110VAC / 220VAC / transformer or power supply |
Documentation | SLD, GA drawing, wiring diagram, terminal list, breaker schedule, test report |
Power Distribution Panel Types
Type | Suitable For |
|---|---|
Industrial Power Distribution Panel | Factory equipment, production lines, plant power distribution |
Three-Phase Power Distribution Panel | Motors, HVAC systems, pumps, industrial machines |
480V Power Distribution Panel | North American industrial power applications |
400A Power Distribution Panel | Higher-current equipment groups or downstream distribution |
DC Power Distribution Panel | 12VDC, 24VDC, 48VDC or other DC circuit distribution |
AC/DC Power Distribution Panel | Systems requiring separated AC and DC circuits |
Temporary Power Distribution Panel | Project sites, temporary equipment power, construction support |
Portable Power Distribution Panel | Site-specific portable use; not the main focus for Uniregal industrial pages |
Control Panel Power Distribution Section | Internal distribution inside a larger automation panel |
Retrofit Power Panel | Replacement of old, crowded, or poorly labeled panels |
Three-Phase Power Distribution
Three-phase power distribution is common in industrial systems because many motors, pumps, HVAC units, and production machines use three-phase supply.
A three-phase power distribution panel should be reviewed carefully because poor circuit planning can create phase imbalance, unclear feeder grouping, oversized or undersized breakers, and difficult troubleshooting.
Three-Phase Design Point | Why It Matters |
|---|---|
Phase Balance | Reduces uneven loading across phases |
3-Pole Breakers | Helps protect three-phase circuits together |
Neutral Requirement | Some loads need neutral, some do not |
Grounding | Critical for safety and fault clearing |
Load Grouping | Keeps related equipment circuits easier to identify |
Cable Size | Must match current, installation method, and voltage drop requirement |
Spare Ways | Allows future equipment additions |
SLD Accuracy | Helps installers understand the distribution structure |
AC and DC Power Distribution
Some industrial panels contain both AC and DC circuits.
This can happen when the panel distributes AC power to motors or equipment while also supplying DC control power to PLCs, sensors, relays, communication devices, or instruments.
Circuit Type | Common Use |
|---|---|
AC Power | Motors, pumps, heaters, HVAC equipment, sockets, lighting |
DC Power | PLC, sensors, relays, instruments, communication devices |
24VDC | Common control voltage in automation systems |
48VDC | Telecom, battery or special industrial systems |
AC/DC Mixed Panel | Requires clear separation, labels, terminals, and documentation |
AC and DC circuits should not be mixed casually. They should be separated by layout, wire color, terminals, labels, and drawings so installation and maintenance teams do not make unsafe assumptions.
Common Components
Component | Function |
|---|---|
Main Breaker / Isolator | Incoming power protection and isolation |
Busbar | Distributes incoming power to outgoing circuits |
Branch Circuit Breakers | Protects each outgoing feeder |
Fuses | Protects specific circuits or devices |
Neutral Bar | Provides neutral connection where required |
Ground Bar | Provides protective grounding connection |
Surge Protection Device | Protects equipment from surge events where required |
Metering Device | Monitors voltage, current, power, energy, or phase condition |
Contactor | Switches selected loads where control is needed |
Control Transformer | Provides lower control voltage |
DC Power Supply | Provides 24VDC or other DC control power |
Terminal Blocks | Connects field wiring clearly |
Indicator Lights | Shows power, phase, fault, or status |
Labels and Nameplates | Identifies circuits and reduces maintenance confusion |
What Should Be Confirmed Before Ordering?
Information Needed | Example |
|---|---|
Application | Factory, machinery, HVAC, pump station, water treatment, workshop |
Incoming Voltage | 220V, 380V, 400V, 415V, 480V, 24VDC, 48VDC |
Phase | Single-phase or three-phase |
Main Current | 50A, 100A, 200A, 400A, 630A or customized |
Load List | Motors, heaters, lighting, sockets, machines, instruments |
Branch Circuits | Quantity, current rating, single-phase or three-phase |
Protection Type | MCB, MCCB, fuse, RCD, RCBO, SPD |
Short-Circuit Level | Required fault rating from site electrical information |
Metering | Main metering, branch metering, energy monitoring |
Cable Entry | Top, bottom, side, rear, gland plate |
Enclosure Environment | Indoor, outdoor, wet, dusty, corrosive, high temperature |
Expansion Plan | Spare breakers, spare terminals, spare enclosure space |
Documentation | Single line diagram, wiring diagram, breaker schedule, test report |
Design Mistakes Buyers Should Avoid
Mistake | What Can Happen Later |
|---|---|
Quoting without a load list | Breaker schedule may not match real equipment |
No spare circuit space | Future expansion requires panel modification |
Poor phase balancing | One phase may become overloaded while others are underused |
AC and DC circuits not separated | Maintenance becomes confusing and risky |
Cable entry not planned | Site installation becomes slow or messy |
No circuit labels | Troubleshooting takes longer |
Wrong enclosure rating | Moisture, dust or corrosion damages the panel |
No updated drawing | Future maintenance depends on guessing |
Only comparing cabinet price | Hidden cost appears during installation and commissioning |
Power Distribution Panel Design Documents
Available documents may include:
- Single line diagram
- General arrangement drawing
- Power wiring diagram
- Control wiring diagram if required
- Branch circuit schedule
- Breaker schedule
- Terminal list
- Bill of materials
- Cable entry layout
- Nameplate and label list
- Test report
- Packing list
A buyer should not approve a power distribution panel only from a cabinet photo. The load schedule, SLD, breaker schedule, cable entry and labeling method matter more than the outside appearance.
Testing Before Shipment
Typical inspection items include:
- Component model verification
- Mechanical assembly inspection
- Busbar inspection
- Wiring continuity check
- Terminal and label inspection
- Grounding continuity check
- Insulation resistance test when applicable
- Breaker operation check
- Metering check when applicable
- Control power check when applicable
- AC/DC circuit separation check when applicable
- Visual inspection before packing
The purpose of testing is to reduce wrong breaker selection, loose wiring, unclear labels, grounding problems, missing components, and site installation delays.
Cost Factors
Power control panel price depends on more than current rating.
Cost Factor | Why It Matters |
|---|---|
Main Current Rating | Higher current requires larger breakers, busbars, cables, and enclosure space |
Branch Circuit Quantity | More outgoing circuits increase components and wiring work |
Breaker Brand | Schneider, Siemens, ABB, Eaton and other brands vary in cost and lead time |
Short-Circuit Rating | Higher fault rating requires stronger components |
Metering | Energy meters and multifunction meters add cost |
AC/DC Separation | Mixed circuits require more careful design and wiring |
Enclosure Material | Stainless steel and outdoor enclosures cost more |
Cable Entry Space | Larger cables require more panel space and proper gland design |
Documentation | Detailed SLD, breaker schedule and test records add engineering work |
FAQ
What is a power distribution panel?
A power distribution panel is an electrical panel that receives incoming power and divides it into protected branch circuits. Each outgoing circuit is usually protected by a breaker or fuse so different equipment can be supplied and isolated safely.
What is power distribution panel?
It is another way of asking what a power distribution panel means. In industrial use, it normally refers to a panel that distributes AC or DC power to machines, motors, HVAC equipment, pumps, lighting, sockets, instruments or downstream control panels.
What is the difference between a power control panel and a power distribution panel?
A power distribution panel mainly distributes electrical power to multiple circuits. A power control panel may also include switching, metering, contactors, control power, monitoring, or project-specific control functions. In many industrial projects, the two terms overlap.
How do panel boards support three-phase power distribution?
Panel boards support three-phase power distribution by using busbars and three-phase branch breakers to distribute power across L1, L2 and L3. The design should consider phase balance, breaker rating, neutral requirement, grounding, cable size and load grouping.
Where is the power distribution panel in Dying Light?
That question belongs to the video game Dying Light and is not related to industrial power distribution panels. This page focuses on real electrical panels used in industrial facilities, machinery systems, HVAC, pumps, utilities and project power distribution.
What is the difference between a power distribution panel and an MCC panel?
A power distribution panel distributes power to branch circuits and equipment. An MCC panel is mainly used to control and protect multiple motors with motor starters, overload relays, VFDs or soft starters.
Can a power control panel include both AC and DC circuits?
Yes, but AC and DC circuits should be clearly separated by layout, wiring, terminals, labels and drawings. This helps reduce maintenance mistakes and improves electrical safety.
What information is needed for a quotation?
Please send incoming voltage, phase, main current, load list, branch circuit quantity, breaker requirements, enclosure environment, cable entry method, metering needs, and available drawings if you have them.
Request a Quotation
Send us your incoming power, load list, branch circuit schedule, voltage, current, phase, enclosure requirement, cable entry method, and documentation needs.
Our team will review the power control panel configuration before quotation, so the proposal is based on real distribution structure, protection, installation and maintenance needs, not only cabinet size.
Contact Us
Looking for a reliable power distribution and control panel supplier for your industrial project?
Contact UniRegal Automation today.
- Email: info@uniregal.com
- Website: https://www.uniregal.com