Brochures and Data Sheets

and NFPA 70, National Electrical Code. The transfer
switches are listed by Underwriters Laboratories,
Inc. under UL-1008, Automatic Transfer Switches,
as well as UL-508, Industrial Control Equipment.
Configurations
Firetrol Separately Mounted Automatic Transfer
Switches are available in the following confi gura-
tions:
FTA902 – Provides the transfer of 3-phase power to
a fi re pump controller between a utility on
the normal side and a generator on the
alternate (emergency) side. The discon-
necting means and overcurrent protec-
tive devices required for the normal side
of the transfer switch are NOT supplied.
FTA903 – Provides the transfer of 3-phase power to
a fi re pump controller between a utility on
the normal side and a generator on the
alternate (emergency) side. The discon-
necting means and overcurrent protec-
tive devices required for the normal side
of the transfer switch ARE provided.
FTA952 – Provides the transfer of 3-phase power to
a fi re pump controller between a utility on
the normal side and a 2nd utility on the
alternate (emergency) side. The discon-
necting means and overcurrent protec-
tive devices required for the normal side
are NOT supplied. The disconnecting
means and overcurrent protective for
the alternate (emergency) side are NOT
supplied.
FTA953 – Provides the transfer of 3-phase power to
a fi re pump controller between a utility on
the normal side and a 2nd Utility on the
alternate (emergency) side. The discon-
necting means and overcurrent protec-
tive devices required for the normal side
and alternate side of the transfer switch
ARE provided.
Features
Firetrol Separately Mounted Automatic Trans-
fer Switches feature the ASCO 7000 series transfer
switch with Group 5 controller as standard. The
microprocessor based controller includes a built-in
keypad and four line LCD display mounted through
the enclosure door. This allows all monitoring and
control functions to be done with the door closed,
providing convenience and safety.
The menu driven user interface allows setting
changes to be made easily. These settings include:
• Voltage and Frequency
• Time Delays
• Features
• Engine Exerciser
• Event Log
• Service Features
Firetrol
®
Automatic Transfer & Bypass-Isolation
Switches are designed to be used with any Firetrol
®
Electric Fire Pump Controller. The entire package of
Automatic Transfer & Bypass-Isolation Switch and
Electric Fire Pump Controller is completely factory
assembled, wired, tested and shipped as a complete
unit for easy fi eld connection to the power sources
and the fi re pump motor.
Automatic Transfer & Bypass-Isolation Switches
are designed for critical applications where the
transfer switch cannot be taken out of service for
maintenance or repair purposes; these applications
include health care facilities, data centers, retire-
ment facilities and correctional institutions.
Approvals
Firetrol Automatic Transfer & Bypass-Isolation
Switches are listed by Underwriters Laboratories,
Inc. for transfer switch service and also meet the
requirements of NFPA 20, Standard for the Instal-
lation of Stationary Pumps for Fire Protection and
NFPA 70, National Electrical Code. The Automatic
Transfer & Bypass-Isolation Switches are listed by
Underwriters Laboratories, Inc. under UL-1008,
Automatic Transfer Switches, as well as UL-508,
Industrial Control Equipment.
Construction
The power transfer switch and the electric fi re
pump controller are assembled in separate but con-
nected NEMA type 2 enclosures. All wiring between
the two enclosures is completed by Firetrol. The en-
closure containing the Automatic Transfer & Bypass-
Isolation Switch is constructed with a dead front
door-in-door design. The transfer switch BYPASS /
ISOLATION handles as well as the operating controls
& indicators are located behind the outer enclosure
door. The enclosure containing the transfer switch
disconnecting means and overcurrent protection is
Bypass-Isolation transfer
switches