Liberty Model LPH
Ultra-Compact, Portable Load Bank
25 to 75 KW
The Avtron Liberty Load Bank is a portable, ultra-
compact resistive load bank designed for indoor use.
Rated for Continuous Operation
Ultra-Compact, Portable, Easy to
Transport and Operate
Large Load Capacity – up to 75 KW
Lightweight Aluminum and
Aluminized Steel Enclosure
Convenient Operator Controls
with Digital Metering and Data
Logging Software Included
The Liberty Load Bank is a portable,
ultra-compact, resistive load bank
specifically designed for testing and
routine maintenance of smaller generators and UPS systems. At only 69
lbs. [31 kg], it is light enough to be
easily moved and transported by one
technician, and rugged enough to
stand up to years of reliable service.
The Liberty load bank features lightweight aluminum and aluminized
steel construction, and quick-connect
load terminals. The load bank comes
standard with a hard cover protective
travel case on casters with a telescoping handle.
The Liberty load bank is available in
four standard versions including 55
KW at 240 or 480 VAC, 3 phase, 60 Hz;
75 KW at 208 VAC, 3 phase, 60 Hz; 75
KW at 240 VAC, single phase, 60 Hz;
and 25 KW at 120 or 240 VAC, single
phase, 60 Hz.
The load bank controls and cooling
fans are powered by any standard
120 VAC, single phase wall outlet
with detachable line cord provided.
An integral control panel is provided
for load bank operation and includes
the necessary controls, and status
indicators. The Liberty load bank also
includes the Avtron Advanced Digital
Monitoring System (ADMS)™ as a
standard feature. The ADMS meter
provides faceplate digital display of
Volts, Amps, Frequency, and KW.
The Communicator EXT™ Data Logging Software allows Real Time Data
power test solutions
Acquisition and trending of all meter
parameters from your Laptop PC or
PDA. An Infrared/USB interface cable
is included for “Plug and Play” convenience.
Legendary Avtron quality combined
with simple operation and maintenance will provide years of trouble
free service.
Avtron’s extensive line of Load Bank
and Industrial Resis tor Products are
solid performers used throughout
the world.
For total technical support or
additional information, please
contact Avtron at (216) 573-7600
or LBsales@avtron.com.
Liberty Portable Load Bank (Model LPH)
OUTLINE DRAWING:
12.75
[324.00]
WARNING
LIBERTY LOAD BANK
23.00
[584.00]
23.75
[603.00]
17.50 [444.00]
RETRACTABLE
HANDLE
AIRFLOW
AIR EXHAUST SIDEAIR INTAKE SIDE
SPECIFICATIONS:
CONSTRUCTION: A compact aluminum and aluminized steel enclosure with screened
inlet and exhaust openings. Two hand holds are provided for easy lifting.
CONTROL POWER: The load bank requires control power of 120 VAC, single phase,
60 Hz (line cord provided).
COOLING: The resistive elements are air-cooled by six high velocity muffin fans for
quiet operation.
CONTROLS: The operator control panel includes a MASTER LOAD ON-OFF switch, load
step ON-OFF industrial toggle switches, a BLOWER ON-OFF switch, and a LOAD VOLTAGE selector switch (Dual Voltage model only).
DIGITAL METERING: Avtron Advanced Digital Monitor ing System (ADMS)™ is
provided for display of Volts, Amps, Frequency, and KW. ADMS™ also includes
Communicator EXT™ Data Logging Software.
LIBERTY LOAD CAPACITY RATINGS:
SAFETY FEATURES: The Liberty Load Bank
features main line circuit fusing, and
overtemperature protection.
WEIGHT:
Load Bank is approximately 69 lbs. [31 kg]
Load Bank Case is approximately 20 lbs. [9 kg]
OPTIONS:
•20'[6096]cablesetwithconnectors
•DesignsforInternational50/60Hzvoltagesor
custom DC designs are also available. Consult Factory.
Total Load
KW
25 120/240 VAC, single phase, 60 Hz 0.5, 0.5, 1, 2, 3, 3 ,3 ,3 ,3 ,3 ,3
55 240/480 VAC, 3 phase, 60 Hz 5, 10, 20, 20
75 240 VAC, single phase, 60 Hz 1, 2, 2, 5, 10, 15, 20, 20
75 208 VAC, 3 phase, 60 Hz 5, 10, 20, 20, 20
Voltage Rating Load Step Resolution KW
WHEELS
26.50 [673.00]
16.50 [419.00]
32.00
[813.00]
TWIST DRAW LATCHES
WHEELS
ADMS™ is a trademark of Avtron LoadBank, Inc. Communicator EXT™ is a trademark of Electro Industries/GaugeTech.
All dimensions are in inches [millimeters]. Specifications subject to change without notice.
Quality System Certified to ISO 9001
6255HalleDrive•Cleveland,Ohio,U.S.A.44125-4615•216.573.7600•FAX216.573.5953
www.avtronloadbank.com•LBsales@avtron.com Bulletin434•Rev.C