Low Voltage Switchgear & Distribution Panels
MCC (Motor Control Center) is an intelligent power distribution device specifically designed for centralized control of industrial motors, integrating functions such as motor starting, protection, monitoring, and communication. This product adopts a modular drawer-type design, enabling centralized control and distributed protection for multiple motors. It is widely used in various industrial automation fields, providing safe, reliable, and efficient motor control solutions.
Detailed Technical Specifications
Parameter Category | Technical Specifications |
Rated Characteristics | Rated Voltage: 380V/660V AC |
Protection Degree | IP42 (Standard), IP54 (High protection) |
Construction Types | Fixed, Plug-in, Withdrawable |
Busbar System | Horizontal Busbar: Copper, up to 1600A |
Enclosure Material | 2.0-2.5mm premium cold-rolled steel |
Short-circuit Performance | Rated Short-time Withstand Current: 50kA/1s |
Compliance Standards | IEC 61439, GB 7251, UL 508 |
Key Product Features
1.Modular Drawer Design
Standardized drawer units: 8E/4, 8E/2, 8E, 16E, 24E specifications
Quick replacement: Drawer units can be quickly plugged and unplugged for easy maintenance
Mechanical interlock: Prevents misoperation and ensures safety
Position indication: Connect, Test, Disconnect, Withdrawn position display
2.Intelligent Control System
Multiple starting methods: Direct-on-line, Star-delta, Soft-start, Frequency conversion
Protection functions: Overload, short-circuit, phase failure, earth fault protection
Status monitoring: Real-time monitoring of operation status and fault alarms
Communication function: Support for Profibus, Modbus, Ethernet communication
3.Safety Protection Functions
Five protection functions: Prevent misoperation and access to live compartments
Arc flash protection: Internal arc fault protection design
Insulation monitoring: Real-time monitoring of system insulation status
Emergency stop: Emergency stop button for quick power cutoff
4.Flexible Configuration Options
Various capacities: Multiple specifications from 10A to 630A
Mixed configuration: Motors of different powers can be installed mixed
Expandability: Support for future expansion and modification
Custom solutions: Customized design according to special requirements
5.Quality Manufacturing Process
Precision machining: CNC equipment processing ensures accuracy
Strict inspection: Strict quality control at every process
Type testing: Full type test verification
Life testing: Mechanical and electrical life testing
Typical Applications
Manufacturing: Automobile plants, machining, assembly lines
Process industries: Chemical, petroleum, pharmaceutical production lines
Infrastructure: Water treatment plants, pumping stations, HVAC systems
Energy sector: Power plants, substation auxiliary control
Logistics industry: Conveyor lines, elevators, stackers
Mining sector: Mining machinery, conveying equipment
Optional Configurations
Basic Type: Direct-on-line starting, basic protection functions
Standard Type: Multiple starting methods, intelligent protection
Advanced Type: Frequency control, intelligent monitoring
Explosion-proof Type: Suitable for explosive atmospheres
Corrosion-resistant Type: Suitable for corrosive environments
1. What types of Motor Control Centers (MCC) do you manufacture?
We provide both Fixed-type and Withdrawable-type (Modular) MCCs. Our designs are flexible, covering Direct-On-Line (DOL) starters, Star-Delta starters, Soft Starters, and Variable Frequency Drive (VFD) integration to meet various industrial motor control requirements.
2. Can your MCC panels be integrated into a SCADA or PLC system?
Yes, absolutely. Our intelligent MCCs support multiple communication protocols such as Modbus-RTU, Profibus-DP, and Ethernet/IP. This allows for remote monitoring of motor status, energy consumption, and fault diagnostics through your central control system.
3. What safety interlocks are featured in your withdrawable MCC units?
Safety is our priority. Our withdrawable units feature mechanical and electrical interlocks that prevent the drawer from being pulled out while the breaker is "ON." Each module has distinct positions: Connected, Test, and Disconnected, ensuring maximum operator safety during maintenance.
4. What is the maximum busbar rating and short-circuit capacity?
Our MCC panels are designed for heavy-duty industrial use, with main busbar ratings up to 4000A and a short-time withstand current (Icw) of 50kA or 80kA (1s), complying with IEC 61439-1/2 standards.
5. Which brands of components (Breakers/Contactors) do you use?
To ensure global maintainability, we primarily use world-class components from Schneider Electric, ABB. We can also provide high-quality cost-effective solutions using leading Chinese brands like Chint or Delixi based on your project budget.
6. How do you manage heat dissipation for MCCs with multiple VFDs?
For MCCs containing high-power VFDs or soft starters, we implement forced-air cooling systems with industrial-grade fans and filtered ventilation. We also offer climate-controlled enclosures with integrated air conditioning for installations in high-ambient temperature environments.
7. What ingress protection (IP) ratings do you offer for harsh environments?
Standard indoor units are IP40 or IP42. For demanding environments like mines or chemical plants, we provide up to IP54 or IP55 protection, featuring specialized gaskets, reinforced hinges, and anti-corrosive powder coating (RAL 7035 or custom).
8. Is each motor starter unit customizable in terms of protection?
Yes. Every motor feeder is equipped with comprehensive protection, including short-circuit, overload, phase loss, and ground fault protection. We can also include digital motor protection relays for real-time thermal modeling and advanced diagnostics.
9. What documentation do you provide for international projects?
For every export order from our Shanxi factory, we provide a complete technical package in English, including Schematic Diagrams (CAD/PDF), General Arrangement (GA) drawings, Bill of Materials (BOM), and Factory Acceptance Test (FAT) reports.
10. How do you ensure the quality of wiring and assembly?
Our assembly process follows strict ISO9001 standards. All power and control wires are clearly labeled with cross-referenced ferrule tags. Every MCC undergoes a 100% functional simulation test before shipping to ensure the logic and sequencing are perfect upon arrival at your site.
