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Catalog Number Identification
Typical 7000 Series AT B catalog no. for overlapping
neutral, 3 pole, 4000 amp., 480 V, in Type 1 enclosure:
G7ATB C 3 4000 N 5 C
Phase Poles
Neutral
A –solid
Amperes Voltage Controller Enclosure
B – switching
5X –if
accessories
ordered
5 –standard
G –type4
C –type1
F –type3R
L –type12
3 –threeØ
2 –singleØ
B 120
D 220
A 115
C 208
E 230
K 415
M 460
J 400
L 440
N 480
G 277
F 240
H 380
Q 575
P 550
R 600
1200
2000
1000
1600
blank – none
blank – open type
C – overlapping
2600
3000
4000
Transfer Switch
Bypass
Handle
Group 5 Controller
Transfer Control
&Lights
G7ATB 4000 A with the lower doors open (transfer switch shown)
Isolation
Handle
Status
Lights
&
Engine
Control