Esco LPT75CA User manual

MODEL # LPT75CA
120VAC-240VAC 75 AMPS/POLE
90 AMP NEUTRAL
AUTOMATIC TRANSFER SWITCH
x AUTOMATICALLY SWITCHES FROM POWER CORD TO GENERATOR
x HEAVY DUTY RELAY ASSEMBLY WILL HANDLE 50 AMP POWER CORD
AND UP TO 18KW GENERATOR
x TRANSFERS TWO HOT POLES AND NEUTRAL SIMULTANEOUSLY
x RELIABLE TIME DELAY TO ALLOW GENERATOR TO GET UP TO SPEED
BEFORE SWITCHING AUTOMATICALLY FROM SHORELINE TO
GENERATOR POWER
x UTILIZES AN AUXILLARY SWITCH IN COMBINATION WITH A ME-
CHANICAL INTERLOCK TO ENSURE POWER CORD IS OFF BEFORE
GENERATOR POWER IS ENGAGED
x QUICK AND EASY INSTALLATION
x DESIGNED FOR OEM AND AFTERMARKET APPLICATIONS
4016 Quartz Drive
Santa Rosa, CA 95405
Phone: [phone]
Fax: [phone]
Email: [email protected]
Web www.generatorjoe.NET

The LPT 75CA is intended for use as an electrical transfer switch to automatically switch multiple
sources (from one to another), i.e. switching from shoreline to generator power.
The LPT 75CA is primarily designed for installation in conjunction with a generator having a rated
output no larger than 18KW, an external power cord having a rated output no larger than 240 VAC,
2 poles 50A per pole, 1PH, 60HZ.
CONTACTORS:3 Pole N.O. 240VAC, 75 Amps/Pole
COIL:104-120VAC (60HZ, Inrush Current - 84 Watts, Sealed - 8 Watts)
AUXILIARY SWITCH: Shoreline release switch 120VAC, N.C.
TIME DELAY:Custom time delay, 30 seconds nominal
PHYSICAL SIZE:12” X 8” X 4”
KNOCKOUTS:Assorted
WEIGHT: 12.00 lbs
CAUTIONS: ** INSTALL VERTICALLY OR HORIZONTALLY IN A DRY,
ACCESSIBLE AREA
** CONSULT FACTORY BEFORE DRILLING METAL CASE.
** KEEP COVERED EXCEPT DURING WIRING AS
CONTACTORS ARE SENSITIVE TO DEBRIS.
** HI-POT WITH LPT75CA DISCONNECTED OR HI-POT ON
LOAD SIDE OF SWITCH.
WARRANTY: The manufacturer warrants that this product shall be free from defects in
material and workmanship for one year (twelve months) from date of purchase or eighteen months
after date of manufacture, whichever is less. If, after our inspection, a defect is revealed, the unit will
be repaired and returned, at our discretion. We will accept up to 1/2 hour (30 minutes) labor for the
unit to be changed out or $18.00, whichever is less. This warranty shall not apply to any product that
shows evidence of neglect, misuse, improper installation, or that has been repaired or altered by any
other party other than this company. Proof of purchase may be required.
WHITE
BLACK
RED
WHITE
BLACK
RED
WHITE
BLACK
RED
OVERRIDE
INDICATOR
HOT TWO
FOR 120V SERVICE USE
HOT TWO AND NEUTRAL
HOT ONE
NEUTRAL
HOT ONE
HOT TWO
NEUTRAL
FOR 120V SERVICE USE
HOT TWO AND NEUTRAL
LPT75CA INSTALLATION DIAGRAM
4016 Quartz Drive
Santa Rosa, CA 95405
Phone: [phone]
Fax: [phone]
Email: [email protected]
Web www.generatorjoe.NET