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General Description
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1.0 GENERAL DESCRIPTION
Congratulations on your purchase of Liebert’s Nfinity™ Maintenance Bypass Cabinet with Config-
urable Output Distribution. As with every Liebert product, we stand behind our quality. If you have
any questions concerning this Maintenance Bypass Cabinet, please feel free to contact your local
dealer, Liebert representative, or call the appropriate Technical Support number listed on the back of
this manual.
To ensure proper installation and operation of this unit, please read this manual thoroughly.
Installation must be done by a qualified/certified electrician, but general operation may be performed
without special training.
1.1 System Description
The Liebert Nfinity Maintenance Bypass Cabinet is intended for use with the Nfinity UPS. Typical
applications include supporting workstations, servers, network, telecom or other sensitive electronic
equipment.
The Nfinity Maintenance Bypass Cabinet was designed to provide maximum system availability to
business critical equipment. The Nfinity Maintenance Bypass Cabinet allows for transfer of con-
nected loads to an alternate power path allowing full isolation of the UPS. The UPS can then be
turned “OFF” and removed from service with no interruption of power to connected loads.
1.1.1 Features
• Supports up to 20 kVA loads
• High speed transfer switch
• Compact design
• Highly configurable
• Multiple power path indicators
1.1.2 Standard Components
• Casters and leveling feet
• Easily accessible terminal blocks
• Supports Lockout/Tagout Program
• Support/mounting brackets for additional stability
• Provisions for hardwire output
• Dual-source compatible for increased availability
1.1.3 Options
• Output transformer for isolation
• Field-installable output distribution