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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 typical Catalog Number is shown below with its
elements explained. The example is for a Series 300
AT S with switched neutral, 3 pole, 600 amp, 480 V, in
a Type 1 enclosure:
H 300 B 3 600 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
1200
1000
600
800
blank – solid
blank – open type
* available 600 – 1000 amp. si zes only
1X –if
accessories
ordered
terminal block TB
for engine start
and switch
position contacts
Transfer
Switch
Controller
power
connections
power
connections
membrane
controls
600 amp. size in typical enclosure with location of customer connections
neutral
connections
neutral
connections