ASCO Power Technologies Products Digital Binder
Withstand and Closing Ratings
ASCO 4000 SERIES ORDERING INFORMATION
Withstand and Closing Ratings for all 4000 SERIES Power Transfer Switches, including 0.5 second (30-cycle) designs.
To order an ASCO 4000 SERIES Power Transfer Switch, complete the following catalog number:
Switch Rating (Amps)
Time Based
Current Limiting Fuses
Specific Breaker
4
A
TS
A
3
400
N
5X
C
Frame
Transfer Switches
NEUTRAL CODE*
PHASE POLES AMPERES
VOLTAGE CODE
GRP CODE
Bypass Switches
480V Max.
600V Max.
Max Size, A Class
240V Max.
480V Max.
600V Max.
240V Max.
480V Max.
600V Max.
Time (sec)
PRODUCT
ENCLOSURE
100kA -
300
J J
115 120 208 220 230 240 380 400 415 440 460 480 550 575 600
5 5X optional
--- C
No enclosure Type 1 enclosure
A
Automatic
TS
Conventional 2-Position
---
No Neutral
2 3
30
1000 1200 1600 2000 2600 3000 4000
A B C D E F H J K L M N P Q R
10kA 10kA
D
30
-
22kA 22kA 10kA 0.025 10kA
200kA 35kA 200 35kA 35kA 200 35kA 35kA 200 200kA 35kA 200 35kA 35kA 200 200kA 35kA 200 200kA 35kA 200 35kA 35kA 200
70 100 125 150 200 230 1 260 400 600 800
RK1 RK1
0.025
10kA
D
150kA
85kA 25kA
10kA
10kA
70, 100
-
F
Type 3R enclosure
J
RK1
CTS
Closed Transition
A
Solid Neutral
0.025
D
150kA 85kA
25kA
10kA 10kA 10kA
150
-
J
G
Type 4 enclosure
J
D
200
-
200kA 85kA 14kA 0.025 10kA 10kA 10kA
RK1
H
Type 4X enclosure 2
D
100kA -
200kA 85kA 14kA 0.025 10kA 10kA
-
230
-
300 600 800 600 800
J J L J L L J L L L L L
N
Non Automatic
DTS
Delayed Transition
B
Switched Neutral
L
Type 12 enclosure
65kA 42kA 1
35kA
J
200kA 200kA 42kA 0.05
150, 200, 260 150, 200, 230, 260 200kA 200kA
M
Type 3R secure double door
0.05 65kA 42kA 1 65kA 65kA 85kA 42kA 0.05 65kA 42kA 1 50kA 42kA
J
35kA
400
400
200kA 200kA
200kA 200kA 800 200kA 200kA 600 200kA 200kA 1600 200kA 200kA 2500 200kA 200kA 3000 200kA 200kA 4000 200kA 200kA 5000
35kA
J
600
600
N
Type 4 secure double door
H G
800 - 1200
-
65kA 150kA 65kA 0.05 50kA 50kA 50kA 85kA 85kA 85kA 0.05 85kA 85kA 85kA 200kA 200kA 100kA 0.05 100kA 100kA 100kA 100kA 100kA 100kA 0.05 100kA 100kA 100kA 100kA 100kA 100kA 0.05 100kA 100kA 100kA
P
Type 4X secure 2 double door (304 Stainless Steel)
1600 - 2000 (Front Connected TS Only)
- -
G 1600 - 2000 G 2600 - 3000
Q
Type 12 secure double door
4000
-
G
R
Type 3RX 2 secure double door (304 Stainless Steel)
Notes: 1. Switches utilizing overlapping neutral (code C) have 35kA, 0.05-second, time-based rating at 480V max. All units are RMS Symmetrical Amperes. All Withstand and Closing Rating (WCR) values are established by testing in accordance with UL 1008. For the latest ratings, including transfer switch ratings when used with specific breakers, see ASCO Publication 1128 for more WCR information. Application characteristics may permit higher WCRs for certain switch sizes. Contact ASCO Power Technologies for more information. Contact ASCO for Service Entrance Switch ratings.
*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.
The Example Catalog Number above is 4ATSA3400N5XC (X is used to specify optional accessories).
TRANSFER SWITCH CONFIGURATIONS 4ATS, 4NTS, 4ADTS, 4NDTS, 4ACTS, 4NCTS Sizes of UL-Listed Solderless Screw-Type Terminals for External Power Connections
SWITCH RATING AMPS
MAX # OF CONDUCTORS PER TERMINAL
RANGE OF AL-CU CONDUCTOR SIZES
30 -230 1 ATS,NTS
One
#14 to 4/0 AWG
150 DTS, CTS
One
#4 AWG to 600 MCM
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 optional front connected arrangement. Specify optional accessory 40MY for 1600 amp and 40NY for 2000 amp. WCR rating limited to 85,000 amp rms sym metrical. see pages 20, 21 for enclosure dimensions.
Two
#1/0 AWG to 250 MCM
260-400
One
#4 AWG to 600 MCM
Two
#1/0 AWG to 250 MCM
600
Two
#2 AWG to 600 MCM
800-1200
Four
#1/0 AWG to 600 MCM
1600-2000 2
Six
#1/0 AWG to 600 MCM
2600, 3000 2
Twelve
#1/0 AWG to 600 MCM
For more details, please contact customercare@ascopower.com
4000 2
Twelve
#2/0 AWG to 600 MCM
2
3
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