User's Manual

January 2003
CA08101001E For more information visit: www.cutler-hammer.eaton.com
8-31
Safety Switches & Enclosed Circuit Breakers
8
Safety Switches
Product Selection
Vol. 1, Ref. No. [0269]
EnviroLine/Upper Window
240V AC — 600V AC Heavy Duty, Fusible and Non-Fusible
Single Throw with Upper Viewing Window
Specifications
■ 30 – 800 amperes.
■ Blade visibility when door closed.
■ 240 and 600V, fusible and non-fusible.
■ Suitable for service entrance use.
■ NEMA 12, 4 and 4X enclosures.
■ UL listed and NEMA approved.
■ For factory modifications refer to
Pages 8-6 through 8-9.
DH363NDKW
Table 8-57. Fusible
1
For 2-pole applications, use outside poles of 3-pole switch.
2
NEMA 12 enclosures (30 – 200 amperes) can be field modified to meet NEMA 3R rainproof requirements when a factory provided drain hole is opened.
Note: Contact the Safety Switch Flex Center (1-888-329-9272) for availability of NEMA 1 and 3R enclosures.
Table 8-58. Fusible
3
For 2-pole applications, use outside poles of 3-pole switch.
4
NEMA 12 enclosures (30 – 200 amperes) can be field modified to meet NEMA 3R rainproof requirements when a factory provided drain hole is opened.
Note: Contact the Safety Switch Flex Center (1-888-329-9272) for availability of NEMA 1 and 3R enclosures.
Note: 800A fusible window switches are not UL listed.
Note: 30A heavy duty switches with Type J fuse provisions are available from the factory only. See Table 8-15 on Page 8-7 for catalog numbers.
System Ampere
Rating
Fuse
Class
Provision
Maximum Horsepower Ratings
with Time Delay Fuses
NEMA 12 Enclosure
Industrial, Dust-tight
NEMA 4 Enclosure
Watertight,
Painted Steel
NEMA 4X Enclosure
Corrosion Resistant,
Stainless Steel
AC DC
250V
Standard Fuse Time Delay Catalog
Number
Price
U.S. $
Catalog
Number
Price
U.S. $
Catalog
Number
Price
U.S. $
1-Phase 3-Phase 1-Phase 3-Phase
4-Wire (3 Blades, 3 Fuses, S/N), 240V AC — 250V DC
1
30
60
100
200
400
600
800
H
H
H
H
H
H
L
—
—
—
—
—
—
—
3
7-1/2
15
25
50
75
100
—
—
—
—
—
—
—
7-1/ 2
15
30
60
125
200
250
—
—
20
—
50
—
—
DH321NDKW
2
DH322NDKW
2
DH323NDKW
2
DH324NDKW
2
DH325NDKW
DH326NDKW
DH327NDKW
620.
800.
1,250.
1,740.
4,040.
7,225.
13,460.
—
—
—
—
DH325NPKW
DH326NPKW
DH327NPKW
—
—
—
—
11,215.
15,885.
20,570.
DH321NWKW
DH322NWKW
DH323NWKW
DH324NWKW
DH325NWKW
DH326NWKW
DH327NWKW
1,805.
2,180.
4,260.
5,955.
13,695.
18,365.
21,790.
S/N
System Ampere
Rating
Fuse
Class
Provision
Maximum Horsepower Ratings
with Time Delay Fuses
NEMA 12 Enclosure
Industrial, Dust-tight
NEMA 4 Enclosure
Watertight,
Painted Steel
NEMA 4X Enclosure
Corrosion Resistant,
Stainless Steel
1-Phase AC 3-Phase AC DC
250V
600V
Catalog
Number
Price
U.S. $
Catalog
Number
Price
U.S. $
Catalog
Number
Price
U.S. $
480V 600V 480V 600V
4-Wire (3 Blades, 3 Fuses, S/N), 600V AC — 250V DC
3
30
60
100
200
400
600
800
H
H
H
H
H
H
L
7-1/2
20
30
50
—
—
—
10
25
40
50
—
—
—
15
30
60
125
250
400
500
20
50
75
150
350
500
500
—
—
—
—
—
—
—
DH361NDKW
4
DH362NDKW
4
DH363NDKW
4
DH364NDKW
4
DH365NDKW
DH366NDKW
DH367NDKW
860.
985.
1,450.
2,090.
4,935.
9,145.
14,305.
—
—
—
—
DH365NPKW
DH366NPKW
DH367NPKW
—
—
—
—
11,205.
16,625.
21,380.
DH361NWKW
DH362NWKW
DH363NWKW
DH364NWKW
DH365NWKW
DH366NWKW
DH367NWKW
1,990.
2,165.
4,390.
6,065.
13,955.
19,825.
23,280.
S/N
Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . 22-CD