Esco LPT50BRD User manual

MODEL # LPT50BRD
120VAC-240VAC 50 AMPS/POLE
70 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 12KW GENERATOR
x TRANSFERS TWO HOT POLES AND NEUTRAL SIMULTANEOUSLY
x GENERATOR START UP DELAY IS PROVIDED TO ALLOW THE
GENERATOR TO GET UP TO SPEED
x UTILIZES A MICRO SWITCH ON THE NEUTRAL RELAY TO ENSURE
NEUTRAL LINES ARE ENGAGED BEFORE THE HOT LINES
x DESIGNED WITH DC COILED RELAYS TO REDUCE HUM, AND
TERMINAL BLOCKS TO SIMPLIFY WIRE CONNECTIONS
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 LPT50BRD 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 LPT50BRD is primarily designed for installation in conjunction with a generator having a rated
output of no more than 12KW and an external power cord having a rated output of no more than
240VAC 1PH 60HZ, 2 poles at 50 Amps per pole.
CONTACTORS:General Purpose DPDT 50 Amp relays.
COIL:110 VDC 2 Watts.
TIME DELAY:Custom time delay, 30 seconds nominal. Can be bypassed for instant switching.
PHYSICAL SIZE:8 1/2” X 8 1/2” X 4 1/2”
KNOCKOUTS:Assorted.
WEIGHT: 7.95 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 LPT50BRD 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.
LPT50BRD INSTALLATION DIAGRAM
NEU.
NEU.
HOT 1
HOT
HOT
HOT 2
NEU-
HOT
COIL
HOT
NEU-
NEU.
COIL
NEU.
LOAD PANEL GENERATOR SHORELINE
TIMER BOARD PRO-
VIDES 30 SECOND
DELAY, BYPASS FOR
INSTANT TRANSFER.
4016 Quartz Drive
Santa Rosa, CA 95405
Phone: [phone]
Fax: [phone]
Email: [email protected]
Web www.generatorjoe.NET