MCC Panels

Custom Engineered Panel for Data Centers

Custom Engineered Panel assemblies engineered for Data Centers applications, addressing industry-specific requirements and compliance standards.

Custom Engineered Panel for Data Centers

Overview

Custom Engineered Panel assemblies for data centers are built to sustain continuous power availability, strict selectivity, and safe maintainability across utility, generator, UPS, and critical IT load paths. In practice, these assemblies are engineered to IEC 61439-1 and IEC 61439-2, with design verification covering temperature rise, dielectric properties, short-circuit withstand, clearances and creepage distances, and protective circuit integrity. For multi-building campuses, distribution may extend to IEC 61439-3 assemblies for unskilled access areas, while utility interconnection and feeder substations can involve IEC 61439-6 busbar trunking arrangements. The result is a coordinated low-voltage architecture that supports colocation, hyperscale, enterprise, and edge data center applications. Typical configurations include main switchboards, generator paralleling panels, UPS input and output boards, static transfer switch panels, automatic transfer switch systems, rack power distribution feeders, chilled water plant motor control centers, and life-safety auxiliary boards. Incomers commonly use ACBs up to 6300 A, with MCCB feeder sections, fused switch-disconnectors, and busbar systems verified for 50 kA, 65 kA, 80 kA, or higher short-circuit ratings depending on the prospective fault level. Selective coordination between protective relays, ACBs, MCCBs, motor starters, and downstream distribution devices is essential to isolate only the affected section and preserve uptime in N+1 or 2N topologies. Component selection is driven by critical power behavior. ACBs are often fitted with electronic trip units and communication modules, while MCCBs protect branch feeders and critical auxiliary circuits. Protection relays may supervise incomer loss-of-mains, reverse power, under/over-voltage, frequency, and generator synchronization. Soft starters and VFDs are routinely applied to pumps, fans, CRAH units, cooling towers, and chilled water systems to reduce inrush, improve energy efficiency, and support system control. Where transfer continuity is required, ATS and STS panels are coordinated to IEC 60947 device requirements and integrated with UPS, generator, and BMS/EPMS platforms through Modbus TCP, BACnet, or IEC 61850 gateways. Forms of separation are frequently specified as Form 3b, Form 4a, or Form 4b under IEC 61439-2 to improve maintainability and reduce the risk of accidental contact or fault propagation during live servicing. For high-density rooms, panels are designed with front-access maintenance, segregated cable chambers, thermal derating studies, and forced ventilation or кондиционирование-compatible cooling strategies. Enclosure protection commonly ranges from IP31 and IP42 to IP54 for plantroom or edge deployments, with anti-condensation heaters, tropicalization, and corrosion-resistant powder coating used where environmental exposure is higher. Arc risk and personnel safety are critical in data halls and electrical plant rooms. Where required by the EPC specification, assemblies may be validated for internal arc containment in accordance with IEC 61641, and hazardous-location interfaces are addressed only where site-specific conditions call for IEC 60079 compliance. Metering and power quality functions are often included via multifunction meters, harmonic analyzers, surge protective devices, and event logs to track load profiles, harmonics, and transfer events. This combination of verified short-circuit performance, thermal compliance, modular expansion, and digital monitoring makes a Custom Engineered Panel suitable for mission-critical facilities that demand high availability, predictable maintenance, and scalable power infrastructure.

Key Features

  • Custom Engineered Panel configured for Data Centers requirements
  • Industry-specific environmental ratings and protections
  • Compliance with sector-specific standards and regulations
  • Optimized component selection for industry applications
  • Integration with industry-standard control and monitoring systems

Specifications

PropertyValue
Panel TypeCustom Engineered Panel
IndustryData Centers
Base StandardIEC 61439-2
EnvironmentIndustry-specific ratings

Other Panels for Data Centers

Main Distribution Board (MDB)

Primary power distribution from transformer to sub-circuits. Rated up to 6300A. Houses main incoming breaker, bus-section, and outgoing feeders.

Power Control Center (PCC)

High-capacity power distribution for industrial facilities. Controls and distributes incoming power to MCC, APFC, and downstream loads.

Automatic Transfer Switch (ATS) Panel

Automatic changeover between mains and generator/UPS. Open or closed transition, with or without bypass.

Power Factor Correction Panel (APFC)

Automatic capacitor switching for reactive power compensation. Thyristor or contactor-switched, detuned or standard configurations.

Metering & Monitoring Panel

Energy metering, power quality analysis, and multi-circuit monitoring with communication gateways.

Busbar Trunking System (BTS)

Prefabricated busbar distribution per IEC 61439-6. Sandwich or air-insulated, aluminum or copper.

DC Distribution Panel

DC power distribution for battery systems, solar installations, telecom, and UPS applications. MCCB/fuse-based DC protection.

Other Industries Using Custom Engineered Panel

Commercial Buildings

MDB, lighting distribution, APFC, ATS, metering, BTS, capacitor bank, BMS integration

Industrial Manufacturing

MCC, PCC, VFD panels, MDB, APFC, automation panels, soft starters, harmonic filters, capacitor banks — full range

Healthcare & Hospitals

ATS (critical power), MDB, generator control, lighting, metering, APFC

Oil & Gas

Ex-rated panels, MCC, PCC, VFD, generator control, soft starters, ATEX/IECEx compliance

Mining & Metals

Rugged MCC, PCC, VFD panels, generator panels, soft starters, harmonic filters

Renewable Energy

MDB, metering, APFC, ATS, PLC, DC distribution, capacitor banks

Marine & Offshore

Marine-certified panels, MCC, generator sync, ATS, PLC, classification society compliance

Infrastructure & Utilities

MDB, ATS, metering, BTS, lighting distribution, DC distribution

Food & Beverage

Washdown-rated panels (IP65+), MCC, VFD, APFC, PLC, soft starters, harmonic filters

Pharmaceuticals

Cleanroom-compatible panels, MCC, VFD, APFC, PLC, soft starters, harmonic filters

Frequently Asked Questions

For 2N architectures, the most common solution is a pair of fully independent Custom Engineered Panel assemblies, each capable of carrying the full critical load path from utility or generator through UPS distribution. Each side typically includes its own ACB incomer, bus coupler strategy if needed, MCCB feeder distribution, metering, and communication interfaces. Under IEC 61439-1/2, the assembly must be verified for temperature rise and short-circuit withstand at the full prospective fault level. EPC specifications often require Form 4b separation to improve maintainability and reduce fault propagation risk during service.
Most data center switchboards and distribution panels are designed and verified to IEC 61439-2, which covers power switchgear and controlgear assemblies. If the project uses busbar trunking for risers or branch distribution, IEC 61439-6 becomes relevant for the busbar trunking system itself. In many projects, both standards apply within the same electrical infrastructure. Final selection depends on whether the scope is a panel assembly, a trunking system, or a combined distribution architecture.
Data center main switchboards are commonly specified at 50 kA, 65 kA, or 80 kA for 1 s or 3 s, with the exact rating based on the calculated prospective short-circuit current at the installation point. In higher capacity utility or generator-paralleled facilities, the required rating can exceed these values. The panel must be design-verified under IEC 61439 for short-circuit withstand and, where applicable, the conditional short-circuit rating of the installed ACBs, MCCBs, and busbar system.
Form 3b and Form 4b separation are used to isolate busbars, functional units, and outgoing terminals so that maintenance can be performed with reduced exposure to adjacent energized parts. In data centers, this supports service continuity and safer intervention on live systems. IEC 61439-2 defines the forms of internal separation, and EPCs often specify Form 4b for critical distribution sections where operational uptime and fault containment are priorities. The choice depends on maintainability targets, cable entry method, and risk profile.
Yes. VFDs and soft starters are commonly integrated into custom panels for chilled water pumps, cooling tower fans, CRAH support systems, and other auxiliary loads. They reduce inrush current, improve motor control, and support energy optimization. The panel design must account for heat dissipation, harmonic performance, EMC considerations, and coordination with motor protection devices. IEC 60947 governs many of the switching and control devices, while the assembly itself remains under IEC 61439 verification requirements.
ATS and STS panels provide fast transfer between utility, generator, and sometimes dual UPS sources to maintain power continuity for critical loads. ATS units typically handle source transfer for non-ride-through loads, while STS panels are used where rapid automatic transfer between redundant sources is required. These systems are coordinated with generator controls, UPS logic, and protective relays. Device-level compliance is typically aligned with IEC 60947, and the overall assembly is incorporated into the IEC 61439 panel architecture.
For conditioned electrical rooms, IP31 or IP42 enclosures are common, while edge rooms, plantrooms, or areas with dust and moisture may require IP54 or higher. Data center panels should be designed with thermal derating, controlled ventilation, anti-condensation heaters, and corrosion-resistant finishes when needed. IEC 61439 temperature-rise verification is especially important in high ambient and high-density installations. Environmental selection should always reflect the actual room conditions, not only the facility classification.
Yes. Custom Engineered Panels for data centers are frequently supplied with multifunction meters, protection relays, power quality analyzers, event logs, and communication gateways for BMS and EPMS integration. Common protocols include Modbus TCP, BACnet, and IEC 61850 where the project specifies higher-level substation-style communication. This enables real-time monitoring of load, harmonics, breaker status, transfer events, and alarms, which is essential for capacity planning and operational reliability in mission-critical facilities.

Ready to Engineer Your Next Panel?

Our team of electrical engineers is ready to design, build, and deliver your custom panel solution — fully compliant with international standards.

Request a QuoteCall +90 232 332 22 78