User's Manual

January 2003
CA08101001E For more information visit: www.cutler-hammer.eaton.com
8-15
Safety Switches & Enclosed Circuit Breakers
8
Safety Switches
Product Selection
Vol. 1, Ref. No. [0253]
120/240V AC General Duty, Fusible,
Single Throw
Specifications
■ 30 – 600 amperes.
■ Suitable for service entrance appli-
cations unless otherwise noted.
■ Horsepower rated.
■ Bolt-on hub provision. Provided
for general duty switches in a
NEMA 3R enclosure. See Page 8-5
for selection.
■ UL listed File No. E5239. Meets
UL 98 for enclosed switches and
NEMA Std. KS-1.
■ 200 – 600 ampere switches
incorporate K-Series design.
DP221NGB
(New plug fuse design
available first quarter of 2002)
DG321NRB
Table 8-38. 120/240V AC General Duty, Fusible, Single Throw
1
Maximum hp ratings apply only when dual element time delay fuses are used.
2
These switches do not have an interlock which prevents door from being opened when switch is in the ON position.
3
Use 3-wire catalog numbers below.
4
Solid neutral bars are not included in 400A and 600A switches. Order separately from Table 8-1 on Page 8-4.
5
Grounded B phase rating, UL listed.
Note: All general duty safety switches are individually packaged.
System Ampere
Rating
Fuse
Type
Provision
Maximum Horsepower Ratings
1
NEMA 1 Enclosure
Indoor
NEMA 3R Enclosure
Rainproof
1-Phase AC 3-Phase AC DC
120V 240V 240V 250V Catalog
Number
Price
U.S. $
Catalog
Number
Price
U.S. $
Fusible — Plug Type
2
2-Wire (One Blade, One Fuse, S/N) — 120V AC
30 Plug
(Type S, T
or W)
1/2 – 2 — — — DP111NGB 58. — —
3-Wire (Two Blades, Two Fuses, S/N) — 120/240V AC
30 Plug
(Type S, T
or W)
1/2 – 2 1-1/2 – 3 — — DP221NGB 66. Use
cartridge-type
fuse catalog
number
DG221NRB
—
Fusible — Cartridge Type
2-Pole 2-Wire (Two Blades, Two Fuses) — 240V AC
30
60
100
200
400
600
—
—
—
—
H
H
—
—
—
—
—
—
1-1/2 – 3
3 – 10
7-1/2 – 15
15
—
—
3 – 7-1/2
7-1/2 – 15
15 – 30
25 – 60
50 – 125
75 – 200
—
—
—
—
—
—
3
3
3
3
DG225FGK
4
DG226FGK
4
—
—
—
—
1,770.
3,565.
3
3
3
3
DG225FRK
4
DG226FRK
4
—
—
—
—
2,380.
4,565.
3-Wire (Two Blades, Two Fuses, S/N) — 120/240V AC
30
60
100
200
400
600
H
H
H
H
H
H
—
—
—
—
—
—
1-1/2 – 3
3 – 10
7-1/2 – 15
15
—
—
3 – 7-1/2
5
7-1/2 – 15
5
15 – 30
5
25 – 60
5
50 – 125
5
75 – 200
5
—
—
—
—
50
—
DG221NGB
DG222NGB
DG223NGB
DG224NGK
DG225NGK
DG226NGK
91.
146.
304.
650.
2,030.
3,840.
DG221NRB
DG222NRB
DG223NRB
DG224NRK
DG225NRK
DG226NRK
166.
280.
342.
855.
2,640.
4,865.
S/N
S/N
S/N
Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . . 22-CD