Simplex, Inc., 5300 Rising Moon Road, Springfield, IL 62711-6228 • 217-483-1600 • Fax 217-483-1616
© 2007 Simplex, Inc. All Rights Reserved. • Printed in the USA. • www.simplexdirect.com
®
LOAD BANK MANUAL • Saturn 3000 DV • W.O. 63798/2 • page 2 of 20
DESCRIPTION
Simplex Load Banks are precision
test instruments specifically de-
signed to apply discrete, selectable
electrical load to a power source
while measuring the response of
the generator to the applied load.
They also provide a means for rou-
tine maintenance exercise to as-
sure long term reliability and readi-
ness of the standby generator. Ex-
ercise Load Banks eliminate the
detrimental effects of unloaded op-
eration of diesel engine generators.
The cabinet on this Load Bank is
rated NEMA Type 3R outdoor
weatherproof.
Power source testing is accom-
plished by applying resistive load
steps at unity (1.0) power factor.
Load application is by magnetic
contactor. All load branch circuits
are protected by 200,000AIC class-
T fuses.
Operating controls are located on a
Local Control Panel and a Remote Con-
trol Panel. The Control System is com-
prised of 120V and 24VDC discrete
components. Common serviceable
components include Control Fuses
(CF1–CF4) and Load Application Fuses
(F1–F189). Lamps on the Local Control
Panel indicate the Load Bank operating
status. Control priority is determined by
the “Mode Selector” switch.
SPECIFICATIONS
Capacity:
2560KW/3000KW @ 1.0 PF
Voltage:
480/600VAC
Connection:
3-Phase, 3-Wire
Frequency:
60Hz
Fan Power:
Int./Ext. 480/600V, 3ø, 60Hz
Control Power:
Int./Ext. 480/600V, 3ø, 60Hz
120V Transformer
Cooling:
Forced Air
Airflow:
60,000 CFM
Max. Air Intake Temp.:
120°F
Nominal Air Temp. Rise: 125°F–500°F Max.
Temperature Rise:
°F =
KW x 3000
CFM
Duty Cycle:
Continuous
Serial Number:
63798-07-43/2
Part of Pictorial Drawing 47BD164460C
Always remove all power from
the load bus and all fan/control
power before servicing the Load
Bank. Never operate or service a
Load Bank that is not properly
connected to an earthground.
