A typical Catalog Number is shown below with its elements explained:

Catalog Number Identification

Typical D–design Series 200 ATS catalog no. for a solid neutral, 3 pole, 100 amp, 400 V, open type:

D 200 A

design prefix letter

Neutral

 

Phase Poles

A – solid

 

2

– single Ø

B – switching

 

3

– three Ø

C – overlapping

 

 

 

blank – none

 

 

 

 

 

 

 

* 200 & 230 A are limited to 480 volts

3 100

Amperes

30

70

100

150

200 *

230 *

J5X

Voltage

C 208

J 400

D 220

K 415

E 230

L 440

F 240

M 460

G 277

N 480

H 380

 

 

 

Controller

5 – standard

5X – if accessories ordered

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Emerson 381333234 E manual Catalog Number Identification, 200 a