Specialized Behind-the-Meter Architecture

The Optima line brings flexible, scalable power distribution solutions together for demanding critical-power environments. Designed around project requirements, Optima combines manufacturing capacity, flexible component sourcing and custom engineering to help keep projects moving.

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Why Optima

High Capacity
Faster Delivery
Flexible Sourcing
Custom Solutions

Low Voltage Switchboards

Engineered for Demanding Applications

Options Available
  • Line Metering
  • Neutral Metering
  • Ground Fault Detection
  • ERMS
  • Overload Protection
  • Short Circuit Prevention
  • NEMA 1, 3R

System Voltage

AC 208V-600, VDC up to 1000V

Ampacity Range

AC up to 5000, ADC up to 1000A

Short Circuit Current Rating

Normal up to 100kAIC
Engineered Solution up to 200kAIC

Bus Material - Plated

Copper: Tin, Silver

Aluminum: Tin, Silver

Neutral Rating

Up to 100%

Seismic Calculations

Available

Standards

UL 891 | UL 508A

Breaker Options

Schneider | ABB | Eaton | LS Electric | Siemens

Testing

Factory Tested | Functionality Tested

Remote Power Panels (RPPs)

Reliable Distribution for Critical Environments

Options Available
  • Shunt Trips
  • Circuit Metering - Wired
  • Circuit Metering - Wireless
  • Neutral Metering
  • Ground Fault Detection

System Voltage

AC 208V-600V

Ampacity Range

AC up to 800A

Configurations Available

Single, Double Back-to-Back, Double Side-by-Side & Quad Arrangement

Short Circuit Current Rating

Normal up to 100kAIC

Bus Material - Plated

Copper (Tin, Silver)

Aluminum: (Tin, Silver)

Neutral Rating

Up to 100%

Seismic Calculations

Available

Standards

UL 891 | UL 508A

Breaker Options

Schneider | ABB | Eaton | LS Electric | Siemens

Testing

Factory Tested | Functionality Tested

Built for Scale

With scalable manufacturing capabilities and room to expand, First Source is building the capacity to support demanding critical-power projects.

Frequently Asked Questions

Can FSE manufacture custom liquid cooling skids and manifolds for AI data centers?

Yes. FSE builds modular cooling pump skids, liquid-to-liquid cooling manifolds, and coolant distribution unit (CDU) enclosures with custom valved hose configurations. Every system is pressure-tested for leak-free fluid dynamics and engineered to handle the thermal demands of high-density AI clusters.

Does FSE build power distribution for hyperscale data centers?

Yes. FSE manufactures pre-fabricated Power Distribution Units (PDUs), Remote Power Panels (RPPs), busway tap-off boxes, and custom power whips for hyperscale and enterprise facilities. Builds run under UL 508A certification with automated wire prep, full serialization, and component traceability from BOM to ship date.

How does FSE compare to other data center contract manufacturers?

FSE consolidates engineering, prototyping, fabrication, integration, and testing inside a single 140,000 sq ft facility. Most contract manufacturers fragment these steps across sub-contractors, which adds handoff delay and obscures accountability. FSE's single-roof model compresses commissioning timelines and keeps every component traceable through one quality management system.

How does FSE protect data center power infrastructure from supply chain delays?

FSE runs dedicated Vendor Managed Inventory (VMI) frameworks and proactive material warehousing. The team audits your Bill of Materials early in the design phase to flag long-lead components, then secures inventory well before your commissioning dates so your facility never waits on a part.