UL 891 Low Voltage Switchboards

Power Your Data Center with Precision and Reliability

MODULAR SWITCHBOARD

Electrical Specifications

Input: 208 -800VAC, 3P3W 3P4W 800 – 6000A
Ampacity: 800 – 1600A
Interrupt Rating: 65 / 100kAIC @ 480/600/800VAC
Configurations: Single Main, Dual Main, Multiple
Main, Main-tie-Main, Up to 6000A
Feeder ACB Sz: 800 – 5000A
Feeder MCCB Sz: 125 – 1200A
Feeder Type: Electronic Trip or Thermal Mag (TM
MCCB Only)
Surge Protection: 200kA
Connection: Direct bus, Cable bus, Cable tray, Cable
Transfer: Manual/Automatic Transfer

General Specifications

Safety: UL 891
Enviromental: UL / NEMA 1 & 3R non-walk in
Accessibility: Front / rear or front only
Incoming / Outgoing Cable: Top or bottom
(cable, cable bus, wire tray, bus duct)
Horizontal Bus: Option for top, bottom, middle
or rear
Cooling: Convection or forced Air
Operating Temp: 0 – 50C
Storage Temp: -20C – 60C non condensing
Paint: Glossy White, any color optional
Dimensions: 90”x (48’,40”,36”) please add
6” depth & 2” height for N3R

Optional Features

Transfer Controls: ATC or PLC
Thermal Monitoring: Continuous via Modbus
TCP or IR window
Logic: PLC
HMI: 10” touchscreen (circuit breaker
monitoring & control)
Communications: Modbus TCP / IP, Modbus
RTU, BacNet
Incoming / Outgoing Metering: Power quality
metering separate or built into ACB
Diagnostics: Com-Ready MCCBs & ACBs
available for full diagnosticn communications

UL 891 Low Voltage Switchboards

The EPEC Difference

Personalized service – Direct collaboration with EPEC’s engineering and project management teams ensures every solution is aligned with your needs.

Industry Focused Solutions – Designs and features optimized for the unique demands of our target industries, ensuring compliance, reliability, and performance.

Exceptional Technical Support – Access to knowledgeable in-house engineers and technicians from design through commissioning.

Short Leadtime – Lean manufacturing processes &
domestic production help accelerate delivery schedules for time-sensitive projects.

Comprehensive Warranty & Support – Strong warranty combined with lifetime technical assistance for peace of mind.

Solar racking system

208–600VAC Modular Switchboard

For Critical Power Application

Product Details

  • 208VAC, 600VAC, 3P3W or 3P4W
  • UL / NEMA 1 or 3R
  • Main breaker ranges: 1200A – 5000A (6000A air cooled), MLO up to 6000A
  • Single ended or double ended (M-M or M-T-M)
  • Feeder ranges ACB: 1200A, 1600A, 2000A, 2500A
  • Feeder ranges MCCB: 150AF, 250AF, 400AF, 600AF, 800AF, 1000AF
  • Feeder trip type: Thermal Mag or Electronic Trip
  • Interrupt Ratings:
    • 100kAIC @ 480VAC
    • 65kAIC @ 600VAC
  • Full front access, incoming / outgoing bottom or top entry
  • Direct bus / busway option (side) for main / ACB feeder
  • Control section M-T-M control schemes
  • Advanced diagnostics / metering / switching

Ample Power Capacity

  • Rated @ 5000A (6000A air cooled): meeting today’s AI data center power requirements

Future Proof Your Data Center

  • Utilize the latest circuit breaker technology from industry leader Siemens.
  • Modular switchboards: add additional sections as required.

NEMA 1 / 3R

  • Designed to accommodate indoor & outdoor power distribution requirements.
MODULAR SWITCHBOARD
Circuit breakers - EPEC

Intelligence for Diagnostics, Metering and Switching

Future-Proof your Critical Power Application

  • Utilizing state-of-the-art Siemens 3VA6 / 3WA2 circuit breakers
  • Communications available for circuit-level metering, diagnostics, and control
  • Optional gateways for Modbus TCP or Profinet communications
1200–4000A EV Charging - EPEC Solutions

EPEC – A History of Reliability

  • Our switchboards power over a gigawatt in the challenging solar / storage / EV Industries