LOAD BANKS
Load bank testing replicates and verifies the operation of critical power equipment such as generating sets, uninterruptible power supplies, and battery systems. Avtron manufactures leading load banks for a range of applications and environments.
Ensure backup power availability when it matters most
Load banks apply loads to electrical power sources such as diesel generators and dissipate the resulting electrical energy as heat.
Our load banks can be custom specified to test different types of electrical loads and replicate a variety of electrical characteristics.
Avtron manufacture from small portable solutions right up to containerized multi-megawatt units to meet the complex demands of any load test applications.
- Broadest Portfolio: We have the largest range of load banks on the market perfectly suited to any application.
- Complex control made easy: SIGMA load control enables networking and data capture in an instant.
- Small Solutions with a big impact: Suitcase-style units are available for easy deployment and relocation as well as large units for permanent installations.
- Several Options: Select from resistive, capacitive, and inductive load bank to testing leading and lagging power factors.
What is a Load Bank?
This handy infographic defines:
- What a load bank is
- Types of load banks
- Applications
- Value of load testing
LOAD BANK CATEGORIES
Radiator Mounted Load Banks
Designed to fit directly onto a diesel generator and provide supplemental load.
Trailer Mounted Load Banks
All the great technology of our resistive units but mounted onto a highway trailer.
Resistive Reactive Load Banks
Available as inductive, capacitive or combined for testing non-unity power factors.
Container Load Banks
Built for high capacity load testing in the toughest environments.
Medium Voltage Load Banks
Available as direct connect or constructed with an integrated step down transformer.
Load Bank Control
Market leading SIGMA control allows a range of load test options for any application.
Load Bank Series Features
Discover some of the unique features and benefits of our load banks.
1000 SERIES
Avtron 1000 SERIES resistive load banks mount on engine-generator radiators for simple, compact load solutions.
Click the hotspots below to see the features of an Avtron 1000 SERIES Load Bank.
Avtron designs and manufactures
Helidyne Resistor Elements to provide
extended, reliable performance.
Corrosion-resistant chromium alloy
provides years of trouble-free service.
Control Circuits require 120V, Single
Phase, 60 Hz power.
Branch Circuit Fuse Protection limits
fault current and protects components
during phase-to-phase or phase-toground shorts.
Load Cable Input Block connects
incoming power cables.
Ground Stud wired to the chassis.
Aluminized Steel Construction with
Powder Coat Paint Finish provides
superior heat deflection and corrosion
protection.
For outdoor models, louvers direct hot
air stream downward and away from
personnel.
Integral lifting eyes enable quick
installation on generator set radiator.
2000 SERIES
Avtron 2000 SERIES load banks are indoor rated resistive units for testing power sources at unity power factor.
Click the hotspots below to see the features of an Avtron 2000 SERIES Load Bank.
Avtron designs and manufactures
Helidyne Resistor Elements to provide
extended, reliable performance.
Corrosion-resistant chromium alloy
provides years of trouble-free service.
Segmented Ceramic Insulators and
Stainless Steel Rods provide unmatched
element support and reliability.
Local SIGMA LT Control Panel with
digital push buttons and full digital
monitoring.
Branch Circuit Fuse Protection limits
fault current and protects components
during phase-to-phase or phase-to ground shorts.
Differential Air Pressure Switch protects
unit by dropping applied load if proper
cooling airflow is not detected.
Quick Connect Cable Receptacles speed
connection to generators or power
distribution systems.
Lifting Eyes for overhead lifting.
Transport Handles promote
maneuverability.
Ground Quick Connect Cable Access
for proper grounding during operation.
Integrated Cooling Motor Assembly
provides proper cooling airflow and
motor circuit protection.
Screens on three sides allow cool air
intake and prevents damage from
foreign objects.
Swivel Casters for maneuverability.
Fixed Casters for easy transport.
Forklift Pockets are provided for
transport and lifting.
Screened hot air stream exhaust.
3000 SERIES
Avtron 3000 SERIES load banks are rugged and welded resistive units for testing power supplies at unity power factor.
Click the hotspots below to see the features of an Avtron 3000 SERIES Load Bank.
Extensive electrical protection with HRC fusing
for each element group and its associated contactor,
control circuit, fan motor overload, and load bank
overheat protection. Fuses are connected directly
to the bus bar to eliminate unprotected wiring.
Polycarbonate screens in control and
switchgear enclosures protect all live
parts from accidental contact.
Multiple SIGMA load control options are
available. See our SIGMA control brochure
for more information.
Horizontal or vertical hot air discharge models.
Rail-mounted contactors enable a greater
range of load selection and finer load resolution.
Double-insulated doors reduce the
effects of solar gains on the control
and switchgear enclosures.
Heavy-duty Zintec steel folded and
welded to form a monocoque structure.
Galvanised fork pocket base.
Conservatively rated non-finned
stainless steel sheathed elements
ensure a long operating life.
Available single and four-point lift frames
provide integrated solar protection.
The tie bars act as a minicrash frame.
4000 SERIES
Avtron 4000 SERIES load banks are outdoor-rated resistive units for testing power supplies at unity power factor.
Click the hotspots below to see the features of an Avtron 4000 SERIES Load Bank.
Avtron designs and manufactures
Helidyne Resistor Elements to provide
extended, reliable performance.
Corrosion-resistant chromium alloy
provides years of trouble-free service.
Segmented Ceramic Insulators and
Stainless Steel Rods provide unmatched
element support. Years of design
innovations and field studies
have resulted in the most reliable
resistive element assembly available.
Over-Temperature Protection
automatically drops applied load if an
over-temperature condition is detected.
Differential Air Pressure Switch protects
the unit protection by dropping applied
load if cooling airflow is not detected.
Available Automatic Load Control maintains a
minimum load value on power source by
monitoring building load. The load controller
will automatically adjust load to maintain
its target value. A loose current transformer
is provided for feedback to the controller.
Branch Circuit Fuse Protection limits fault
current and protects components during
phase-to-phase or phase-to-ground
shorts.
Input Bus Bars connect incoming power
cables.
Conduit Entry Area provides a removable
gland plate for easy stub-up access to
input bus bars.
Aluminized Steel Construction with
Powder Coat Paint Finish provides
superior heat deflection and corrosion
protection.
Stainless Steel Hardware provides
enhanced corrosion protection.
Screened Cool Air Intakes on both sides
of the load bank allows cool airflow and
prevents damage from foreign objects.
Integral Blower Motor and Fan Blades
are integral to load bank and engineered
to provide proper cooling airflow and
motor circuit protection.
Forklift Pockets provide easy
transport and mounting.
Louvered hot air stream exhaust.
5000 SERIES
Avtron 5000 SERIES load banks are outdoor-rated, trailer-mounted, resistive units for testing power supplies at unity power factor.
Click the hotspots below to see the features of an Avtron 5000 SERIES Load Bank.
Quick Connect Cable Receptacles
allows for quick and safe load
connection on some models.
Main Load Bus and Control Area are bolted on
and hinged for accessing load contactors,
branch fusing, and input bus bars.
Branch Circuit Fuse Protection limits fault
current and protects components during
phase-to-phase or phase-toground shorts.
Hinged Panel provides main
load bus access.
Local Control Monitoring Panel housed
in a rugged enclosure with hinged door,
system control, and digital monitoring
provide straight-forward, logical operation.
Aluminized Steel Construction with Powder Coat
Paint Finish provides superior heat deflection
and corrosion protection.
Louvered hot air stream exhaust.
Adjustable Louvers for intake and exhaust
open and close with a simple swing handle.
They lock securely in open and closed
positions with a locking pin.
Cool Air Intake Louver allows cool
airintake and prevents damage from
foreign objects.
Integral Blower Motor and Fan
Blades provide proper cooling
airflow and motor circuit protection.
Control Enclosure Vents allow proper
ventilation in the control area.
Optional Motorized Cable Reels
and a wide variety of cable
storage options are available.
Optional DOT-Legal Trailer
provides proper tongue weight.
6000 SERIES
Avtron 6000 SERIES load banks offer inductive, capacitive, or combined resistive/inductive load for testing power supplies at non-unity power factor.
Click the hotspots below to see the features of an Avtron 6000 SERIES Load Bank.
HRC fusing for each element group and its
associated contactor, control circuit, fan
motor overload, and load bank overheat protection.
Fuses are connected directly to the bus-bar to
eliminate unprotected wiring.
Polycarbonate screens in control and
switchgear enclosures protect all live
parts from accidental contact.
Many SIGMA load control options
are available. Find more information
in our SIGMA control brochure.
Horizontal or vertical hot air discharge models.
Rail-mounted contactors provide a
greater range of load selection and
finer load resolution.
Double-insulated doors reduce the
effects of solar gains on control
and switchgear enclosures.
Heavy-duty Zintec steel is folded
and welded to form a monocoque construction.
Galvanized fork pocket base.
All inductors are iron core, vacuum
impregnated with insulating varnish
and thermal overload protection.
Crash frame with four lift points
provides an exceptionally solid
and robust assembly.
Optional power air circuit breakers
enable the load bank to be fully
isolated from the supply on test.
7000 SERIES
Avtron 7000 SERIES load banks are resistive/reactive, reactive-only, or capacitive models for testing power supplies at non-unity power factors.
Click the hotspots below to see the features of an Avtron 7000 SERIES Load Bank.
Branch Circuit Fuse Protection limits fault
current and protects components during
phase-to-phase or phase-to-ground shorts.
Input Bus Bars are the main landing
area for incoming power cables.
Available Quick Connect Cable Receptacles
allow for quick and safe load connection.
Conduit Input Area provides easy
stub-up access to input bus bars.
Forklift Pockets provide easy
transport and mounting.
Fan Assembly draws in cool air
for circulation within the enclosure.
Reactors/Inductors feature iron core
construction for low heat rise and
minimum waveform distortion.
Avtron designs and manufactures Helidyne
Resistor Elements to provide extended,
reliable performance. Corrosion-resistant
chromium alloy provides years of
trouble-free service.
Differential Air Pressure Switch protects
the unit by dropping applied load if proper
cooling airflow is not detected.
Roof Top Discharge Area directs
exhaust upward and outward.
8000 SERIES
Avtron 8000 SERIES are ISO containerized load banks available as resistive or combined resistive/ inductive load for testing power supplies at unity or non-unity power factor.
Click the hotspots below to see the features of an Avtron 8000 SERIES Load Bank.
ISO style 10-foot, 15-foot, 20-foot
and 30-foot containerized construction.
Centrally located inductors provide excellent
weight distribution. All inductors are iron-cored,
vacuum impregnated with insulating varnish, and
protected from thermal overload.
Vertical air discharge.
Double-skinned discharge duct with
aluminized steel heat shields.
Walk-in control room for easy access
to controls, switchgear, and optional
power circuit breakers.
ingress of debris during transportation
and when unit is not in use.
Polycarbonate screens in control and
switchgear enclosures protect all live
parts from accidental contact.
Extensive electrical protection with HRC
fusing for each element group and its associated
contactor, control circuit, fan motor overload,
and load bank overheat protection. Fuses are
connected directly to the bus bar to eliminate
unprotected wiring.
Rail-mounted contactors provide greater
load selection and finer load resolution.
Multiple SIGMA load control options are
available. See our SIGMA control brochure
for more information.
9000 SERIES
Avtron 9000 SERIES load banks are direct connect, medium voltage, outdoor, resistive units for testing power supplies at unity power factor.
Click the hotspots below to see the features of an Avtron 9000 SERIES Load Bank.
Medium Voltage Resistive Element Assemblies.
Medium Voltage Contactor Area contains
continuous-duty medium voltage contactors.
Over-Temperature Protection automatically
drops applied load if an over-temperature
condition is detected.
Differential Air Pressure Switch protects
the unit by dropping applied load if
cooling airflow is not detected.
Blower Motor Circuits provide fuse
and overload protection.
Blower Power Input Area is located
behind the hinged access door.
Hinged and Lockable Access Doors
provide superior safety and environmental
protection.
Medium Voltage Cable Input allows
easy access to input bus bars.
Exhaust Hoods (not shown) direct hot
air upward and away from personnel.
Lifting Cleats provide easy lifting via
customer-supplied spreader bars.
Extension Legs (not shown) are field-installed
and elevate the load bank for proper airflow.
Cool Air Intake Blower Motors provide
cool airflow and prevents damage from
foreign objects.
Cool Air Intake Screens prevent
damage from foreign objects.
Steel Construction with Industrial Grade
Paint Finish provides superior heat deflection
and corrosion protection.
FAQs
A load bank applies electrical load to a power source and dissipates the resulting energy as heat. For more information read load bank basics.
It really depends on the application and the type of results you require. We offer simple solutions to add supplemental load to a diesel generator, right up to variable power factor options with complex data acquisition. Please contact us about your application and we will offer you the correct solution.
Avtron offers leading reliability, technology and support on a global level to ensure your load test requirements are met.
Please check out our full article on the differences between load banks. For more information on the difference between Avtron models check out our handy tool.
Technical documents appear on the product pages. If you prefer to see all technical documents in one place then take a look at our digital binder.
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