36 S&C Instruction Sheet 515-600
Specifications
Table 7. Optional Features
Item
Suffix Added to
Source-Transfer
Control Catalog
Number
Overcurrent lockout—For Use with Fisher Pierce Series 1301 Powerflex Line Post
Current Sensors . Prevents an automatic-transfer operation that would close a
switch into a fault . Includes facilities for external reset
①
-Y21
Remote indication . Includes provisions for remote monitoring of presence or
absence of source voltages,
Manual or Automatic operating mode, status of the
READY indicator, EVENT indicator, and (if furnished)
Overcurrent Lockout feature
-Y4
Test panel . Permits the use of an external, adjustable three-phase source to verify,
through independent measurement, the response of the control to
Loss-of-Source,
Phase Unbalance, and Overcurrent Lockout conditions
-Y5
Supervisory control . Includes facilities for switch operation from a remote location
-Y6
Communications card . Permits local uploading of “events” and settings from the
Micro-AT control to a user-furnished personal computer, as well as downloading of
the user’s standard operating parameters
②③
-Y8
Pole mounting bracket with Hardware
-P1
①
Three user-furnished Fisher Pierce Series 1301
Powerflex Line Post Current Sensors are required
for each source . The lockout level of the source-
transfer control is factory-set at 1200 amperes, but
may be field-adjusted to any value between 200
and 1500 amperes; the setting chosen should take
into account the emergency peak-load current of
the system, so as to preclude nuisance lockouts .
②
Requires a Windows® 95, 98, 2000, NT, XP, or
Windows 7 32-Bit operating system . A Windows 7
64-Bit Operating System must be run in
XP mode
(only available for Professional and Ultimate oper-
ating systems) . A USB-to-serial adapter must be
used if the computer does not have a serial port .
③
Requires S&C Communication Cable cata-
log number TA-2320 or TA-2321 . See Table 8 on
page 37 .
The basic catalog number may be suffixed to specify one or more optional features,
in accordance with the fol lowing table:
Table 6. Catalog Number of Micro-AT Source-Transfer Control—in Weatherproof
Enclosure
Primary-Selective System Application
Catalog Number
①
Two-way source transfer using two Type AS-1A or Type AS-10 Switch Operators
②
39060
①
For steel structure mounting . For pole mount-
ing, the optional pole mounting bracket should be
specified . See Table 7 .
②
Switch operators must utilize 115-Volt 60-Hertz
or 230-Volt 60-Hertz motor and control voltage and
be furnished with optional source-trans fer control
compatibility, catalog number suffix “-U1 .”
