January 2003
CA08101001E For more information visit: www.cutler-hammer.eaton.com
8-33
Safety Switches & Enclosed Circuit Breakers
8
Safety Switches
Product Selection
Vol. 1, Ref. No. [0271]
EnviroLine/Lower Window
240V AC — 600V AC Heavy Duty, Fusible,
Single Throw with Lower Viewing Window
Specifications
■ 30 – 600 amperes.
■ Lower viewing window over fuses
to allow visual verification of blown
fuse indicators for Littlefuse, Inc.
fuses.
■ 240 and 600V, 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.
DH323NDKLW
Table 8-60. Fusible
ᕃ
For 2-pole applications, use outside poles of 3-pole switch.
ᕄ
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 8-61. Fusible
ᕅ
For 2-pole applications, use outside poles of 3-pole switch.
ᕆ
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.
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
ᕃ
30
60
100
200
400
600
H
H
H
H
H
H
—
—
—
—
—
—
3
7-1/2
15
25
50
75
—
—
—
—
—
—
7-1/2
15
30
60
125
200
—
—
20
—
50
—
DH321NDKLW
ᕄ
DH322NDKLW
ᕄ
DH323NDKLW
ᕄ
DH324NDKLW
ᕄ
DH325NDKLW
DH326NDKLW
620.
800.
1,250.
1,740.
4,040.
7,225.
—
—
—
—
DH325NPKLW
DH326NPKLW
—
—
—
—
11,215.
15,885.
DH321NWKLW
DH322NWKLW
DH323NWKLW
DH324NWKLW
DH325NWKLW
DH326NWKLW
1,805.
2,180.
4,260.
5,955.
13,695.
18,365.
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
480V 600V 480V 600V Catalog
Number
Price
U.S. $
Catalog
Number
Price
U.S. $
Catalog
Number
Price
U.S. $
4-Wire (3 Blades, 3 Fuses, S/N), 600V AC — 250V DC
ᕅ
30
60
100
200
400
600
H
H
H
H
H
H
7-1/2
20
30
50
—
—
10
25
40
50
—
—
15
30
60
125
250
400
20
50
75
150
350
500
—
—
—
—
—
—
DH361NDKLW
ᕆ
DH362NDKLW
ᕆ
DH363NDKLW
ᕆ
DH364NDKLW
ᕆ
DH365NDKLW
DH366NDKLW
860.
985.
1,450.
2,090.
4,935.
9,145.
—
—
—
—
DH365NPKLW
DH366NPKLW
—
—
—
—
11,205.
16,625.
DH361NWKLW
DH362NWKLW
DH363NWKLW
DH364NWKLW
DH365NWKLW
DH366NWKLW
1,990.
2,165.
4,390.
6,065.
13,955.
19,825.
S/N
S/N
Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . 22-CD