Brochures and Data Sheets

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TSA A 3 400 N 5X C
18
To order an ASCO 4000 SERIES Power Transfer Switch, complete the following catalog number:
The Example Catalog Number above is 4ATSA3400N5XC
(X is used to specify optional accessories).
4
*Note: 1. 200 and 230 amp switch limited to 480 volts maximum.
2. Type 304 Stainless steel is standard. To provide an improved reduction in corrosion in salt or marine environments,
specify optional type 316 stainless steel.
Amperes
Voltage
Code
Grp
Code
Enclosure
Neutral
Code*
Product
Phase
Poles
1000
1200
1600
2000
2600
3000
4000
115
120
208
220
230
240
380
400
415
440
460
480
550
575
600
TS
CTS
DTS
2
3
A
N
Automatic
Non-
Automatic
5
5X-
optional
acces-
sories
---
C
F
G
H
L
M
N
P
Q
R
---
A
B
Conventional
2-Position
Closed
Transition
Delayed
Transition
No Neutral
Solid Neutral
Switched
Neutral
30
70
100
125
150
200
230
260
400
600
800
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
22
Type 12
enclosure
Type 3R secure
double door
Type 4 secure
double door
Type 4X secure
22
double door
Type 12 secure
double door
Type 3RX secure
double door
(Stainless Steel)
Transfer Switch Configurations
4ATS, 4NTS, 4ADTS, 4NDTS, 4ACTS, 4NCTS
Sizes of UL-Listed Solderless Screw-Type
Terminals for External Power Connections
Notes:
1. 200 and 230 amp rating for copper
conductors only.
2. All main terminals are rear connected. 1600
& 2000 amp switches are available in option-
al front connected arrangement. Specify
optional accessory 40MY for 1600 amp and
40NY for 2000 amp. WCR rating limited to
85,000 amp rms symmetrical. see pages 20,
21 for enclosure dimensions.
Switch Rating
amps
Max # of Conductors
per Terminal
Range of AL-CU
Conductor Sizes
One
One
Two
Two
Four
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
#2 AWG to 600 MCM
30 -230
1
ATS,NTS
600
800-1200
1600-2000
2
2600, 3000
2
4000
2
260-400
4000 SERIES ORDERING INFORMATION
11
11
Six
Twelve
#2/0 AWG to 600 MCM
150 DTS, CTS
One
Two
#4 AWG to 600 MCM
#1/0 AWG to 250 MCM