2.7 Technical Information
Standard
Safety UL891 - Standard for Safety Switchboards
Seismic Requirement IBC 2012 and CBC 2010
Seismic Protection AC156
Test
Certificate
Switchboard is designed, tested, and constructed based on the
standard above
ETL File: 103065685CRT
Electrical Data
Rated Voltages
Rated insulation voltage, Vi 2.2 kV
Rated operating voltage, Ve Up to 1000 VAC
System types 3 phase-3 wire, 3 phase-4 wire
Rated frequency 60 Hz
Rated
Ampacities
Rated current Up to 6000 A
Rated short circuit current Up to 100 kA at 600 V and 10 kA at 1000 V
Breakers
MCCB UL489, multiple brands
ACB UL489 or UL1066, multiple brands
Transformer Close coupled to switchboard or internal for PDUs
Busway Available for ratings 800-6000 A
Mechanical
Data
Dimensions
Height in (mm) Up to 94.8 in. (2407 mm)
Width in (mm) Custom per project, no limitation
Depth in (mm) Up to 60.5 in. (1536 mm)
Surface
Protection
Frame Paint finish
Enclosure Paint finish
Enclosure Type Type 1 A and Type 3 R (Front and rear access dependent on project specs)
Plastic
Components
Self-extinguishing, flame retardant
Busbars
Standard - tin plated (Silver plated available)
Bus Bracing Up to 100 kA at 600 V
Paint Finish Enclosure
Standard - RAL 7035 (Special colors are
available)
Table 2.1 Technical Information
2.8 Labels and Markings
The switchboard comes standard with a master nameplate located on the main incoming section, as well as several other
labels. All nameplates and labels provide information related to the switchboard and electrical data, cautions and warnings to
help the personnel of important information and safety precautions.
Examples of labels that may be found on the switchboard are shown Figure 2.19 on the facing page .
10 Proprietary and Confidential ©2024 Vertiv Group Corp. 2 Introduction
Vertiv™ UL891 Switchboard Installer/User Guide
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