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Namepl ate
The Transfer Switch nameplate includes data for each
specific ASCO Series 300 ATS. Use the ATS only
within the limits shown on this nameplate.
Catalog Number Identification
A t ypical Catalog Number is shown below with its
elements explained. The example is for a Series 300
AT S with switched neutral, 3 pole, 200 amp, 480 V, in
a Type 1 enclosure:
D 300 B 3 200 N 1 C
Phase Poles
Neutral
C – overlapping
Amperes Voltage Controller Enclosure
B –switched
1 –standard
G –type4
C –type1
F –type3R
L –type12
3 –threeØ
2 –singleØ
D 220
C 208
E 230
K 415
M 460
J 400
L 440
N 480
F 240
H 380
Q 575
P 550
R 600
150
104
30
70
blank – solid
blank – open type
1X –if
accessories
ordered
200 *
A 115
B 120
* 200 a mp. lim ited
to 480 volts
terminals for
engine start
contacts
Transfer
Switch
Controller
normal power
connections
emergency power
connections
membrane
controls
200 amp. size in typical enclosure with location of customer connections
terminals for switch
position contacts
load power
connections
cable spacers
(see INST ALLATION)
maintenance
handle
(see WARNING
under Manual
Operation)