A typicalCatalog Number is shown below with its elements explained:
Catalog Number Identification
TypicalD–design Series 200 ATS catalog no. for a solid neutral, 3 pole, 100 amp, 400 V, open type:
200 A 3 100 J 5X
Phase Poles
Neutral
A–solid
C–overlapping
Amperes Voltage C ontroller
B–switching 5X –if
accessories
ordered
5–standard
3–threeØ
2–singleØ
D220
C208
E230
K415
M460
J400
L440
N480
G277
F240
H380
30
blank– none
70
design
prefix
letter
D
100
150
200 *
230 *
*200 & 230 A a re limitedto 480 volts