
Catalog Number Identification
A typical Catalog Number is shown below with its elements explained. The example is for a 7000 Series 7ATS with overlapping neutral, 3 pole, 600 amp, 480 V, in a Type 1 enclosure:
| design | J | 7ATS | 
 | C | |
| 
 | 
 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | ||
| prefix | 
 | 
 | 
 | ||
| letter | 
 | 
 | 
 | ||
3 600
N 5 C
Neutral
A – solid
B – switched
C – overlapping
blank – none
Phase Poles
2 – single Ø
3 – three Ø
Amperes
260
400
600
Voltage
| A 115 | J 400 | 
| B 120 | K 415 | 
| C 208 | L 440 | 
| D 220 | M 460 | 
| E 230 | N 480 | 
| F 240 | P 550 | 
| G 277 | Q 575 | 
| H 380 | R 600 | 
| 
 | 
 | 
Controller
5 – standard
5X – if accessories ordered
Enclosure
C – type 1 F – type 3R G – type 4 H – type 4X
L – type 12 blank – open type
customer terminals block
| load power | 
 | |
| connections | 
 | |
| emergency | transfer | |
| control | ||
| power | ||
| & lights | ||
| connections | ||
| 
 | 
Transfer
Switch
Controller
normal power connections
260 amp. size in typical enclosure with location of customer connections