ASCO 7000 SERIES 7ATB, 7ACTB, 7ADTB
Automatic Transfer & Bypass–Isolation Switches
G, Q, S, & U design
Installation Manual
381333-415 A
9/2016
DANGER is used in this manual to warn of a
hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING is used in this manual to warn of a
hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION is used in this manual to warn of a
hazardous situation which, if not avoided, could
result in minor or moderate injury.
Refer to the outline and wiring drawings provided with
your 7000 Series ATB for all installation and
connection details and accessories.
Refer to Group 5 Controller User's Guide 381333–126
for ATS status display messages, time delays, pickup
& dropout settings, and adjustments.
Rating Label
Each 7000 Series ATB contains a rating label to
define the load and fault circuit withstand/closing
ratings. Refer to the label on the Transfer Switch for
specific values.
Do not exceed the values on the rating label.
Exceeding the rating can cause personal injury
or serious equipment damage.
An experienced licensed electrician must install
the ATB.
Nameplate
The Transfer Switch nameplate includes data for each
specific 7000 Series ATB Use the switch only within
the limits shown on this nameplate. A typical Catalog
Number is shown below with its elements explained:
typical 4000 A
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