User`s guide
ASCO G, Q, S, U 7ATB, 7ACTB, 7ADTB Installation Manual
ASCO Power Technologies 381333–415 Apage i
Typical 7000 Series G7ATB catalog no. for overlapping neutral, 3 pole, 4000 A, 480 V, in a Type 1 enclosure:
A
TB
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
600
800
1000
1200
1600
2000
2600
3000
4000
blank – none
blank – open type
C – overlapping
Transition Type
A –open
AC –closed
AD – delayed
G, Q, S, U
7
Note: The ampere rating depends
upon the design (G, Q, S, or U).
Design prefix
letter
Transfer Switch
Bypass
Handle
Group 5 Controller
Transfer Control
&Lights
Isolation
Handle
Status
Lights
&
Engine
Control
Typical G7ATB with lower doors open ( transfer switch shown)