Brochures and Data Sheets

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TSA A 3
400
N
5X
C
22
To order an ASCO 7000 series Power Transfer Switch, complete the following catalog number:
The Example Catalog Number above is 7ATSA3400N5XC
(X is used to specify optional accessories).
7
*Notes: Conventional switch neutral is provided on closed and delayed
transition transfer products when specified.
Amperes
Voltage
Code
Grp
Code
Enclosure
Neutral
Code*
Product
Phase
Poles
115
120
208
220
230
240
380
400
415
440
460
480
550
575
600
TS
TB
CTS
CTB
DTS
DTB
2
3
A
N
M
Automatic
Non-
Automatic
Manually
Operated
5
5X-
optional
accesso-
ries
---
C
F**
G
H
L
M
N
P
Q
R
---
A
B
C
Conventional
2-Position
Open
Transition
Bypass
Closed
Transition
Closed
Transition
Bypass
Delayed
Transition
Delayed
Transition
Bypass
No Neutral
Solid Neutral
Switched
Neutral
Overlapping
Neutral
A
B
C
D
E
F
H
J
K
L
M
N
P
Q
R
No enclosure
Type 1 enclosure
Type 3R
enclosure
Type 4 enclosure
Type 4X
enclosure
(stainless steel)
Type 12
enclosure
Type 3R secure
double door
Type 4 secure
double door
Type 4X secure
double door
Type 12 secure
double door
Type 3RX secure
double door
(Stainless Steel)
Transfer Switch Configurations
7A TS, 7N TS, 7A DTS, 7A CTS, 7N DTS, 7N CTS
Transfer/Bypass Configurations
7A TB, 7N TB, 7A DTB, 7A CTB, 7N DTB, 7N CTB
Sizes of UL-Listed Solderless Screw-Type
Terminals for External Power Connections
Notes: 1. Unit is designed for top cable entry of emergency and load and bottom entry
of normal. Optionally, the switch may be supplied with reverse source and/or
bottom entry load, when specified.
2. All main terminals are rear connected.
Switch Rating
amps
Max # of Conductors
per Terminal
Range of AL-CU
Conductor Sizes
One
One
Two
Two
Four
Six
Twelve
#14 to 4/0 AWG
#4 AWG to 600 MCM
#1/0 AWG to 600 MCM
#1/0 AWG to 600 MCM
#1/0 AWG to 600 MCM
#1/0 AWG to 250 MCM
#1/0 AWG to 600 MCM
30 -230
3
600
800-1200
1
1600-2000
2
2600, 3000
2
4000
2
150*, 260, 400
*150 for CTS and DTS Only
Sizes of UL-Listed Solderless Screw-Type
Terminal for Power Connections
Switch Rating
amps
Max # of Conductors
per Terminal
Range of AL-CU
Conductor Sizes
One
Two
Two
Four
Six
Ten
Twelve
# 1/0 AWG to 250 MCM
# 4 AWG to 600 MCM
# 2 AWG to 600 MCM
# 2 AWG to 600 MCM
# 2 AWG to 600 MCM
# 1/0 AWG to 600 MCM
# 1/0 AWG to 600 MCM
150, 200, 230
260,400
600
4
800,1000,1200
4
1600-2000
4
2600, 3000
4
4000
4
3. 200 and 230 amp rating for copper conductors only for transfer switch
configurations only.
4. All main terminals are rear connected. A front connected version is
available in 600 and 1200 amp ratings only with top cable entry only.
See pages 25-27 for dimensional data and additional information.
5.Type 304 stainless steel standard. Specify 316 ST. Steel for installations
subject to salt water and corrosive environments
7000 series Ordering Information
30
70
100
150
200
230
260
400
600
800
1000
1200
1600
2000
2600
3000
4000
*
*
Twelve
#2/0 AWG to 600 MCM
**Type 3R enclosures are not suitable for installations conducive
to windblown snow or rain conditions.