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Brochures and Data Sheets

ManualsBrandsEmerson ManualsPower Switching and ControlsEmerson ASCO Series 300 Group 1 Power Transfer Switch
11121314151617181920
series 300 & 386 External Power Connections
UL Type 1 Enclosure
4
Switch Rating
Amps
Phase
Poles
Neutral
Code
Dimensions, In. (mm)
Width
Height Depth
Approx. Shipping
Weight Lb. (kg)
2
2
3
3
2
2
3
3
2
2
3
3
2
2
3
3
2
2
3
3
3
3
3
3
30, 70, 100*, 104
150, 200
230
3
, 260, 400
600
800, 1000
1200
1600, 2000
1
2600, 3000
2
A
B
A
B
A
B
3
or C
A
B
3
or C
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
17 1/2 (445)
17 1/2 (445)
17 1/2 (445)
17 1/2 (445)
18 (457)
18 (457)
18 (457)
18 (457)
24 (610)
24 (610)
24 (610)
24 (610)
34 (864)
34 (864)
34 (864)
34 (864)
38 (965)
38 (965)
38 (965)
38 (965)
38 (965)
38 (965)
38 (965)
38 (965)
31 (787)
31 (787)
31 (787)
31 (787)
48 (1219)
48 (1219)
48 (1219)
48 (1219)
63 (1600)
63 (1600)
63 (1600)
63 (1600)
72 (1829)
72 (1829)
72 (1829)
72 (1829)
87 (2210)
87 (2210)
87 (2210)
87 (2210)
87 (2210)
87 (2210)
91 (2311)
91 (2311)
11 5/8 (295)
11 5/8 (295)
11 5/8 (295)
11 5/8 (295)
13 (330)
13 (330)
13 (330)
13 (330)
17 (432)
17 (432)
17 (432)
17 (432)
20 (508)
20 (508)
20 (508)
20 (508)
24 (610)
24 (610)
24 (610)
24 (610)
24 (610)
24 (610)
60 (1524)
60 (1524)
*SerieS 386 only
69 (32)
73 (33)
73 (33)
75 (34)
100 (45)
110 (50)
100 (45)
120 (55)
263 (119)
270 (122)
270 (122)
277 (126)
450 (204)
475 (217)
475 (217)
500 (228)
685 (312)
705 (321)
705 (321)
725 (328)
925 (419)
975 (441)
1700 (771)
2135 (969)
Notes:
1. Unit is designed for top cable
entry of emergency & load and
bottom entry of normal. A cable
pull box is also available for all
top or bottom cable access when
required (optional accessory kit
#K609027). Not required for type
3R, 4X & 12 enclosures where
available.
2. Enclosures for 2600, 3000 amps
are free-standing with removable
top, sides & back.
3. Neutral Code
“
B
”
for 230 amperes
only.
4. Dimensional data is approximate
and subject to change. Certified
dimensions available upon
request.
series 300 & 386 Transfer Switch Dimensions and Shipping Weights
Sizes UL-Listed Solderless Screw-Type Terminals
Switch Rating
(Amps)
Ranges of AL-CU Wire Sizes
(Unless Specified Copper Only)
Notes:
1. All SerieS 300 switches are furnished with a solid neutral plate
(unless switched neutral configuration is specified) and terminal
lugs. Specify “A” in catalog number to order a neutral plate on the
series 386 switches.
2. 200 and 230 amp rated switches for use with copper cable only.
Refer to paragraph 310.15 of the NEC for additional information.
3. Use wire rated 75
o
C minimum for all power connections.
One #14 to 4/0 AWG
Two 1/0 AWG to 250 MCM
or One #4 AWG to 600 MCM
Two 2/0 AWG to 600 MCM
Four 1/0 to 600 MCM
Six 1/0 to 600 MCM
Twelve 3/0 to 600 MCM
30 - 230
2
260, 400
600
800, 1000, 1200
1600, 2000
2600, 3000
11
UL Type 3R, 4 or 12 Enclosure
1,4,5,6
Switch Rating
Amps
Phase
Poles
Neutral
Code
Dimensions, In. (mm)
Width Height Depth
Approx. Shipping
Weight Lb. (kg)
2
2
3
3
2
2
3
3
2
2
3
3
2
2
3
3
2
2
3
3
3
3
3
3
30, 70, 100*, 104
150, 200
230
3
, 260, 400
600
800, 1000
1200
6
1600, 2000
2
2600, 3000
A
B
A
B
A
B
3
or C
A
B
3
or C
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
17 1/2 (445)
17 1/2 (445)
17 1/2 (445)
17 1/2 (445)
18 (458)
18 (458)
18 (458)
18 (458)
24 (610)
24 (610)
24 (610)
24 (610)
34 (864)
34 (864)
34 (864)
34 (864)
41 (1043)
41 (1043)
41 (1043)
41 (1043)
41 (1043)
41 (1043)
41 (1043)
41 (1043)
35 (886)
35 (886)
35 (886)
35 (886)
50 1/2 (1284)
50 1/2 (1284)
50 1/2 (1284)
50 1/2 (1284)
63 (1602)
63 (1602)
63 (1602)
63 (1602)
75 (1907)
75 (1907)
75 (1907)
75 (1907)
94 1/2 (2403)
94 1/2 (2403)
94 1/2 (2403)
94 1/2 (2403)
95 1/2 (2428)
95 1/2 (2428)
95 1/3 (2424)
95 1/3 (2424)
11 5/8 (295)
11 5/8 (295)
11 5/8 (295)
11 5/8 (295)
14 1/3 (364)
14 1/3 (364)
14 1/3 (364)
14 1/3 (364)
18.50 (470)
18.50 (470)
18.50 (470)
18.50 (470)
20 (508)
20 (508)
20 (508)
20 (508)
33 1/2 (852)
33 1/2 (852)
33 1/2 (852)
33 1/2 (852)
62 (1577)
62 (1577)
74 (1882)
74 (1882)
*SerieS 386 only
84 (38)
87 (40)
87 (40)
90 (41)
132 (60)
140 (63)
140 (63)
148 (67)
664 (300)
672 (303)
672 (303)
680 (307)
664 (300)
672 (303)
672 (303)
680 (307)
1131 (513)
1160 (526)
1160 (526)
1189 (539)
1810 (817)
1860 (843)
2005 (905)
2070 (938)
Notes:
1. 30-1000 amps non-secure en-
closure. 1200-3000 amps secure
enclosure
2. When climate conditions at in-
stallation site present condensa-
tion risk, special precautions
should be taken, such as the
inclusion of space heaters, to
prevent interior condensation and
freezing of this condensation.
3. Neutral code “B” for 230 amperes
only.
4. Dimensions for switch sizes 30 -
1000 amperes suitable for Type
3R, 4, or 12 non secure enclosure,
1200 -3000 amperes only suit-
able for type 3R.
5. For 1200 ampere type 4, or 12
use 1600 amperes secure en-
closure dimensions.
6. Dimensional data is approximate
and subject to change. Certified
dimensions available upon
request.