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Dimensional Data and Shipping Weights - Series 7000
Select desired chart table from product selection table below.
Dimensions 7A TS, 7N TS (Non-Bypass) 2-Position Transfer Switching
Shipping Weight 7A TS, 7N TS (Non-Bypass) 2-Position Transfer Switching
Dimensions 7A DTS, 7A CTS, 7N DTS, 7N CTS Closed Transition and Delayed Transition Transfer Switching
Shipping Weight 7A DTS, 7A CTS, 7N DTS, 7N CTS Closed Transition and Delayed Transition Transfer Switching
Dimensions 7A TB, 7N TB Automatic Transfer Bypass-Isolation Switching with Transfer Switch Engaged
Shipping Weight 7A TB, 7N TB Automatic Transfer Bypass-Isolation Switching with Transfer Switch Engaged
Dimensions 7A DTB, 7A CTB, 7N DTB, 7N CTB Automatic Transfer Bypass-Isolation in Closed Transition and Delayed Transition Switching
Shipping Weight 7A DTB, 7A CTB, 7N DTB, 7N CTB Automatic Transfer Bypass-Isolation in Closed Transition and Delayed Transition Switching
Terminal Sizes All Types All Models
 

Dimensional Data Series 7000

2-Position Transfer Switching 7A TS, 7N TS (Non-Bypass)

Switch Rating
amps

Poles

Width
inches (mm)

Height
inches (mm)

Depth
inches (mm)

Enclosure UL Type 12

30, 70,100, 150

2, 3 or 3 with neutral B/C

18 (457)

48 (1219)

13 (330)

260, 400

2, 3 or 3 with neutral C

22 (559)

48 (1219)

13 (330)

600, 800, 1000

2, 3 or 3 with neutral B/C

34 (864)

72 (1829)

20 (508)

1200

2, 3 or 3 with neutral B/C

38 (965)

87 (2210)

23 (584)

1600, 20001

2, 3 or 3 with neutral B/C

38 (965)

91 (2311)

48 (1219)

30001

2, 3 or 3 with neutral B/C

38 (965)

91 (2311)

60 (1524)

40001

2, 3 or 3 with neutral C

46 (1168)

91 (2311)

72 (1829)

Open Configuration

30, 70,100, 150

2, 3 or 3 with neutral B/C

10-1/4 (260)

10-1/4 (260)

5-1/2 (140)

260, 400

2 or 3

12(305)

18-1/2 (470)

6-7/8 (175)

260, 400

2 or 3 with neutral C

14-1/2 (368)

18-1/2 (470)

6-7/8 (175)

600, 800, 1000, 1200

2, 3 or 3 with neutral B/C

27 (686)

31(787)

12-7/8 (327)

1600, 2000

2, 3 or 3 with neutral B/C

33-1/4 (845)

28 (711)

26/1/4 (667)

3000

2, 3 or 3 with neutral B/C

33-1/4 (845)

28 (711)

30-3/4 (781)

4000

2, 3 or 3 with neutral C

41 (1041)

52 (1321)

25-1/2 (648)
Note:

1. Enclosures for 1600 - 4000 amp are free-standing with removable top, sides, and back.
2. Consult ASCO for dimensions on enclosures other than UL type 1.
 

Shipping Weights Series 7000

2-Position Transfer Switching 7A TS, 7N TS (Non-Bypass)

Switch Rating
amps

Poles

Enclosed
lb (kg)

Open
lb (kg)

30, 70 100

2

67 (31)

15 (7)

30, 70 100

3

70 (32)

18 (8)

30, 70 100

3 with B/C

73 (33)

21 (10)

150

2

69 (32)

17 (8)

150

3

72 (33)

20 (9)

150

3 with B/C

75 (34)

23 (11)

260, 400

2

117 (53)

37 (17)

260, 400

3

125 (57)

45 (21)

260, 400

3 with C

133 (61)

53 (24)

600, 800, 1000

2

400 (182)

150 (68)

600, 800, 1000

3

420 (192)

170 (78)

600, 800, 1000

3 with B/C

446 (203)

196 (90)

1200

2

685 (312)

150 (68)

1200

3

705 (321)

170 (78)

1200

3 with B/C

731 (333)

196 (90)

1600, 2000

2

1110 (503)

370 (167)

1600, 2000

3

1160 (548)

420 (190)

1600, 2000

3 with B/C

1210 (182)

470 (213)

3000

2

1365 (620)

405 (184)

3000

3

1430 (649)

470 (213)

3000

3 with B/C

1495 (679)

535 (243)

4000

2

2208 (1002)

975 (443)

4000

3

2433 (1104)

1200 (545)

4000

3 with C

2533 (1149)

1300 (590)
Note: * Open weights include transfer switch and control panel.
1200-4000 amp enclosures require ventilation openings, refer to drawings for details.
Export shipments may require a wooden box, contact ASCO for weights and dimensions.
 

Dimensional Data Series 7000

Closed Transition and Delayed Transition Transfer Switching
7A DTS, 7A CTS, 7N DTS, 7N CTS

Switch Rating
amps

Poles

Width
inches (mm)

Height
inches (mm)

Depth
inches (mm)

Enclosure UL Type 13

150, 260, 4001

2, 3 or 3 with neutral C

24 (610)

63 (1600)

17-1/2 (445)

600, 800, 1000

2, 3 or 3 with neutral B

34 (864)

72 (1829)

20 (508)

1200

2, 3 or 3 with neutral B

38 (965)

87 (2210)

23 (584)

1600, 20002

2, 3 or 3 with neutral B

38 (965)

91 (2311)

48 (1219)

30002

2, 3 or 3 with neutral B

38 (965)

91 (2311)

60 (1524)

40002

2, 3 or 3 with neutral C

46 (1168)

91 (2311)

72 (1829)

Open Configuration

150, 260, 400

2, 3 or 3 with neutral C

14-3/4(375)

30 (762)

5-7/8 (149)

600, 800, 1000, 1200

2, 3 or 3 with neutral B

27 (686)

31(787)

12-7/8 (327)

1600, 2000

2, 3 or 3 with neutral B

33-1/4 (845)

28 (711)

26/1/4 (667)

3000

2, 3 or 3 with neutral B

33-1/4 (845)

28 (711)

30-3/4 (781)

4000

2, 3 or 3 with neutral C

41 (1041)

52 (1321)

29-1/2 (749)
Note:

1. For 400 amp, 7A DTS and 7N DTS with neutral code B; dimensions are 34 (864) x 72 (1829) x 20 (508)
2. Enclosures for 1600 - 4000 amp are free-standing with removable top, sides, and back.
3. Consult ASCO for dimensions on enclosures other than UL type 1.
 

Shipping Weights Series 7000

Closed Transition and Delayed Transition Transfer Switching
7A DTS, 7A CTS, 7N DTS, 7N CTS

Switch Rating
amps

Poles

Enclosed
lb (kg)

Open
lb (kg)

150, 260, 400

2

137 (62)

45 (21)

150, 260, 400

3

145 (66)

53 (24)

150, 260, 400

3 with C

153 (69)

63 (24)

600, 800, 1000

2

420 (192)

175 (80)

600, 800, 1000

3

450 (205)

205(94)

600, 800, 1000

3 with B

480 (219)

235 (108)

1200

2

710 (324)

175 (80)

1200

3

740 (337)

205(94)

1200

3 with B

770 (351)

235 (108)

1600, 2000

2

1300 (590)

505 (229)

1600, 2000

3

1350 (612)

555 (252)

1600, 2000

3 with B

1400 (635)

605 (274)

3000

2

1555 (706)

540(245)

3000

3

1620 (735)

660 (300)

3000

3 with B

1685 (765)

725(329)

4000

2

2360 (1071)

1127 (511)

4000

3

2580 (1171)

1347 (611)

4000

3 with C

2680 (1217)

1447 (657)
Note: * Open weights include transfer switch and control panel.
1600-4000 amp enclosures require ventilation openings, refer to drawings for details.
Export shipments may require a wooden box, contact ASCO for weights and dimensions.
 

Dimensional Data Series 7000

Automatic Transfer Bypass-Isolation Switching with Transfer Switch Engaged
7A TB, 7N TB

Switch Rating
amps

Poles

Width
inches (mm)

Height
inches (mm)

Depth
inches (mm)

Enclosure UL Type 1

150, 260, 4001

2, 3 or 3 with neutral C

28-1/2 (724)

62-1/2 (1588)

19 (483)

600, 8002

2, 3 or 3 with neutral B/C

36 (914)

90 (2286)

22 (559)

1000, 12003

2, 3 or 3 with neutral B/C

38 (965)

91 (2311)

60 (1524)

1600, 20003

2, 3 or 3 with neutral B/C

38 (965)

91 (2311)

60 (1524)

30003

3 or 3 with neutral B/C

38 (965)

91 (2311)

72 (1829)

40004

3 or 3 with neutral C

96-1/2 (2451)

91 (2311)

72 (1829)

Open Configuration

150, 260, 4001

2 or 3

14-3/4(375)

37-1/8 (946)

22-1/4 (565)

150, 260, 4001

2 or 3 with neutral C

19-3/4(500)

61-1/2 (1553)

22-1/4 (565)

600, 8002

2 or 3

23-3/4 (603)

67-1/4 (1708)

24-3/4 (629)

600, 8002

2, 3 or 3 with neutral B/C

27-1/4 (692)

67-1/4 (1708)

24-3/4 (629)

1000, 12003

2, 3 or 3 with neutral B/C

38 (965)

72 (1829)

38 (965)

1600, 2000, 30003

2, 3 or 3 with neutral B/C

38 (965)

72 (1829)

38 (965)
Note:
  1. Handles extend 3-1/2 inches (89mm).
  2. Handles extend 6-1/4 inches (159mm) standard enclosures for 600-800 amp sizes are suitable for top cable entrance only. Specify 44" wide enclosure for bottom cable entry.
  3. Recommended clearance to enclosure: 3 feet (914mm) from rear, 4 feet (1219mm) from front (25 inches required for transfer switch drawout).
  4. For 4000 amp sizes, ATS and bypass sections can be reversed, contact ASCO. Recommended clearance to enclosure: 3 feet (914mm) from rear, 5 feet (1524mm) from front (3 feet required for transfer switch rollout).
 

Shipping Weights Series 7000

Automatic Transfer Bypass-Isolation Switching with Transfer Switch Engaged
7A TB, 7N TB

Switch Rating
amps

Poles

Enclosed
lb (kg)

Open
lb (kg)

150, 260, 400

2

340 (154)

135 (61)

150, 260, 400

3

350 (158)

145 (66)

150, 260, 400

3 with C

360 (163)

155 (70)

600, 800

2

695 (315)

370 (168)

600, 800

3

710 (322)

385 (175)

600, 800

3 with B/C

725 (329)

425 (193)

1000, 1200

2

1910 (866)

1280 (507)

1000, 1200

3

2130 (966)

1280 (507)

1000, 1200

3 with B/C

2350 (1066)

1440 (652)

1600, 2000

2

2180 (989)

1300 (589)

1600, 2000

3

2360 (1070)

1550 (702)

1600, 2000

3 with B/C

2540 (1152)

1800 (815)

3000

3

2730 (1240)

1690 (768)

3000

3 with B/C

3360 (1525)

1980 (899)

4000

3

6300 (2858)

-

4000

3 with C

6900 (3130)

-
Note: * Open weights include transfer switch and control panel.
1000-4000 amp enclosures require ventilation openings, refer to drawings for details.
Export shipments may require a wooden box, contact ASCO for weights and dimensions.
 

Dimensional Data Series 7000

Automatic Transfer Bypass-Isolation in Closed Transition and Delayed Transition Switching
7A DTB6, 7A CTB, 7N DTB6, 7N CTB

Switch Rating
amps

Poles

Width
inches (mm)

Height
inches (mm)

Depth
inches (mm)

Enclosure UL Type 1

150, 260, 4001,5

2, 3 or 3 with neutral C

28-1/2 (724)

74 (1880)

19 (483)

600, 8002

2, 3 or 3 with neutral B/C

36 (914)

90 (2286)

22 (559)

1000, 12003

2, 3 or 3 with neutral B

38 (965)

91 (2311)

60 (1524)

1600, 20003

2, 3 or 3 with neutral B

38 (965)

91 (2311)

60 (1524)

30004

3 or 3 with neutral B

38 (965)

91 (2311)

72 (1829)

40004

3 or 3 with neutral C

96-1/2 (2451)

91 (2311)

72 (1829)

Open Configuration

150, 260, 4001,5

2 or 3

14-3/4(375)

61-1/2 (1553)

22-1/4 (565)

150, 260, 4001,5

2 or 3 with neutral C

19-3/4(500)

61-1/2 (1553)

22-1/4 (565)

600, 8002

2 or 3

23-3/4 (603)

67-1/4 (1708)

24-3/4 (629)

600, 8002

2, 3 or 3 with neutral B/C

27-1/4 (692)

67-1/4 (1708)

24-3/4 (629)

1000, 12003

2, 3 or 3 with neutral B

38 (965)

72 (1829)

38 (965)

1600, 2000, 30003

2, 3 or 3 with neutral B

38 (965)

72 (1829)

38 (965)
Note:
  1. Handles extend 3-1/2 inches (89mm).
  2. Handles extend 6-1/4 inches (159mm) standard enclosures for 600-800 amp sizes are suitable for top cable entrance only. Specify 44" wide enclosure for bottom cable entry.
  3. Recommended clearance to enclosure: 3 feet (914mm) from rear, 4 feet (1219mm) from front (25 inches required for transfer switch drawout).
  4. For 4000 amp sizes, ATS and bypass sections can be reversed, contact ASCO. Recommended clearance to enclosure: 3 feet (914mm) from rear, 5 feet (1524mm) from front (3 feet required for transfer switch rollout).
  5. Dimensions for 400 amp, 7A DTB with neutral code B are 36 (914)W x 90 (2286)H x 22 (559)D.
  6. Conventional switched neutral is provided on 7A DTB and 7N DTB switching arrangements. When Specified optional (Code B).
 

Shipping Weights Series 7000

Automatic Transfer Bypass-Isolation in Closed Transition and Delayed Transition Switching
7A DTB, 7A CTB, 7N DTB, 7N CTB

Switch Rating
amps

Poles

Enclosed
lb (kg)

Open
lb (kg)

150, 260, 400

2

340 (154)

145 (66)

150, 260, 400

3

350 (158)

155 (70)

150, 260, 400

3 with C

360 (163)

165 (75)

600, 800

2

695 (315)

385 (175)

600, 800

3

710 (322)

400 (181)

600, 800

3 with B/C

750 (340)

440 (200)

1000, 1200

2

2045 (928)

1225 (556)

1000, 1200

3

2265 (1027)

1415 (642)

1000, 1200

3 with B

2485 (1127)

1575 (714)

1600, 2000

2

2315 (1055)

1435 (651)

1600, 2000

3

2495 (1132)

1685 (764)

1600, 2000

3 with B

2675 (1213)

1935 (878)

3000

3

2730 (1240)

1690 (768)

3000

3 with B

3360 (1525)

1980 (899)

4000

3

6300 (2858)

-

4000

3 with C

6900 (3130)

-
Note: * Open weights include transfer switch and control panel.
1000-4000 amp enclosures require ventilation openings, refer to drawings for details.
Export shipments may require a wooden box, contact ASCO for weights and dimensions.
 

Transfer Switch Configurations
 7A TS, 7N TS, 7A DTS, 7A CTS, 7N DTS, 7N CTS
Sizes of UL-Listed Solderless Screw-Type Terminals for External Power Connections

Switch Rating
amps

Max No. of Conductors
per Terminal

Range of AL-CU
Conductor Sizes

30, 70 100

One

#14 to 2/0 AWG

150

One

#8 to 3/0 AWG

260 - 400

One

#4 AWG to 600 MCM

Two

#1/0 AWG to 250 MCM

600

Two

#1/0 AWG to 600 MCM

800 - 12001

Four

#1/0 AWG to 600 MCM

1600 - 2000

Six

#1/0 AWG to 600 MCM

3000 - 40002

Suitable for Bus Bar Connection or Lugs can be Field Modified
Note:
  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. 3000 and 4000 amp switches are arranged for bus bar connection. Contact ASCO if provisions for cable connection are required.
 

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

Switch Rating
amps

Max No. of Conductors
per Terminal

Range of AL-CU
Conductor Sizes

150, 260, 400

One

#4 AWG to 600 MCM

Two

#1/0 AWG to 250 MCM

600 - 800

Three

#2 AWG to 600 MCM

1000 - 12001

Four

#1/0 AWG to 250 MCM

1600 - 20001

Six

#1/0 AWG to 600 MCM

30001

Eight

#2 AWG to 600 MCM

40001

Twelve

#2 AWG to 600 MCM
NOTES: 1. All main terminals are rear connected.

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