Specification

Siemens Industry, Inc. SPEEDFAX™ 2017 Product Catalog
3-43
3
MURRAY
Safety Switches
Safety Switches
Heavy Duty — 600v AC, 10,000 & 200,000 Amp Withstand Cartridge Fuse Type 1 & Type 3R
HHN364 Plus Neutral HN64MHHN361AW
a
Switches through 1200 Amps listed by Underwriters’
Laboratories for use on circuits delivering up to
200,000 Amps RMS symmetrical fault current, provided
class “R“, “J“, “L“, or “T“ fuses are used. Rejection kits
must be installed for “R“ fuse applications.
b
Class “L“ fuse provision. Single fuse per pole. Supplied
without knockouts.
c
Order 3 pole switch from chart above, and neutral from
accessory page.
d
Starting current of motors above standard horsepower
rating may require use of time delay fuses.
e
For service equipment or applications requiring a solid
neutral, order neutral kit as an accessory, page 3-8.
f
60-200A switches are also rated 600V DC when 2 poles
are connected in series.
g
800A and larger Type 3R switches have no provisions
for mounting hubs. Drill or punch hole in the field to
accommodate hub size desired.

Non-fusible switches also have the following max. HP
ratings.
Amps 1
Ø 240V AC 3 Ø 240V AC
30 5 10
60 10 20
100 15 40
200 15 60
Accessories and Lug Data —
See pages 3-47 and 3-48.
Dimensions —
See pages 3-50 and 3-51.
Knockout Drawings —
See pages 3-52 and 3-53.
Figure 1 Figure 2 Figure 3
Switch Selection with Class “H“ Fuse Holders
(Convertible to Class “J“, “R“ or “T“)
a
Symbol Amps
Indoor TYPE 1 Outdoor TYPE 3R
Hub
Horsepower Rating
Catalog
Number
Approx.
Wgt. Lbs.
(Std. Pkg. 1)
Catalog
Number
Approx.
Wgt. Lbs.
(Std. Pkg. 1)
480V AC 1 Ø 480V AC 3 Ø 600V AC 1 Ø 600V AC 3 Ø
250V
DC
600V
DC
Std Max
d
Std Max
d
Std Max
d
Std Max
d
FUSIBLE 3 POLE 600V AC (NO NEUTRAL)
ef
Fig-1
30
—
—
HHN361AW
15.00
ECHS 3
7
1
⁄2
5 15 3 10
7
1
⁄2
20 5 —
60
HHN362
19.00
HHN362AW
20.00
ECHS
5 20 15 30 10 25 15 50 10 25
100
HHN363
24.00
HHN363AW
25.00
ECHS
10 30 25 60 15 40 30 75 20 25
200
HHN364
48.00
HHN364AW
49.00
ECHS
25 50 50 125 30 50 60 150 40 50
800
HLN367
b
380.00
HLN367AW
b
382.00
ECHV
g
— — 200 500 — — 200 500 — —
1200
HLN368
b
383.00
HLN368AW
b
385.00
ECHV
g
— — 200 500 — — 200 500 — —
FUSIBLE 3 POLE 4 WIRE S/N 480Y / 277V AC (INSULATED GROUNDABLE NEUTRAL)
f
Fig-2
30
c
—
—
— — — — — — — — — — — —
60
c
—
—
— — — — — — — — — — — —
NON-FUSIBLE 3 POLE 600V AC (USE FOR 2 POLE)
ef
Fig-3
30
HUN361
12.00
HUN361AW
13.00
ECHS
7
1
⁄2
— —0 15 — 10 —0 20 5 —
60
HUN362
18.00
HUN362AW
19.00
ECHS
20 — —0 30 — 25 —0 50 10 25
100
HUN363
23.00
HUN363AW
24.00
ECHS
30 — —0 60 — 40 —0 75 20 25
200
HUN364
46.00
HUN364AW
47.00
ECHS
50 — —0 125 — 50 —0 150 40 50
Product Category HDSM