
4
Zenith ZBTS T-series 100–600 A, INSTALLATION AND OPERATING INSTRUCTION
1
—
Read these safety instructions
carefully before using this product!
Warning
Indicates a hazardous situation that, if not
avoided, could result in death or serious injury
or equipment damage.
Avertissement
Indique une situation dangereuse qui, si elle
n'est pas évitée, entraînera la mort ou de
graves blessures ou des dommages matériels.
Danger
Hazard of electric shock, explosion, or arc
flash. Failure to follow these instructions
could result in death or serious injury or
equipment damage.
Danger
Risque d'électrocution, d'explosion ou d'arc
électrique. Le non-respect de ces instructions
peut entraîner la mort, des blessures graves
ou des dommages matériels.
HAZARD OF ELECTRIC SHOCK,
EXPLOSION, OR ARC FLASH
• Wear appropriate personal protective
equipment and follow safe electrical
work practices.
• This equipment must only be installed
and serviced by qualified electrical per-
sonnel.
• Disconnect all sources of electrical sup-
ply before performing visual inspec-
tions, tests, service or maintenance on
the equipment. Assume that all circuits
are live unless they are completely
de-energized, tested, grounded, and
tagged. Pay particular attention to the
design of the power system. Consider
all sources of power, including the pos-
sibility of backfeeding.
• Turn off Bypass/Isolation Automatic
Transfer Switch before removing or
making load side connections.
• Always use a properly rated voltage
sensing device at all line and load to
confirm Bypass/Isolation Automatic
Transfer Switch is off.
Failure to follow these instructions could
result in death or serious injury.
HI-POT OR DIELECTRIC TEST
• Performing a hi-pot or dielectric test on
the power section, remove control volt-
age connectors from fixed type switch
and if switch is draw-out type take it to
the ISOLATED location.