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Catalog Number Identification
Typical ASCO 386 catalog no. for solid neutral, 3 pole, 150 amp, 480 V, N–ATS in Type 1 enclosure:
D 386 A 3 150 N 1 C
Phase Poles
Neutral
A –solid
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
100
70
blank – none
blank – open type
30
1X –if
accessories
ordered
200 *
B 120
A 115
* 200 amp.
limited to 480 volts
150 amp size in typical enclosure with location of customer conn ections
Transfer
Switch
Controller
normal power
connections
emergency power
connections
transfer controls
&lights
terminals for switch
position contacts
load power
connections
cable spacers
(see INST ALLATION)
maintenance
handle
(see WARNING
under Manual
Operation)