Energy Guide

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3-15
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Accessories and Special Features Heavy Duty Safety Switches
Class 3110 / Refer to Catalog 3100CT1602
Table 3.25: Crouse-Hinds 600 Vac Short Circuit Current Rating
Amperes
10 kAIR
Fuses
100 kAIR
Fuses
200 kAIR
Fuses
14 kAIR
Circuit Breaker
18kAIR
Circuit Breaker
Fusible—3P, 600 Vac, 250 Vdc
30
H, K
—
J, R
— —
60
H, K
—
J, R
— —
100
H, K
—
J, R
— —
Non-Fusible—3P, 600 Vac, 250 Vdc
30
H, K
J, R, T [55]
J, R, T
FA FH
60
H, K
—
J, R, T
FA FH
100
H, K
—
J, R, T
FA FH
Hubbellock Receptacle
H362AWH
Interlocked Receptacle
Switch with Hubbell
™
Hubbellock Receptacle
•
UL Listed
•
Available in 30 -100 A, 600 Vac/250 Vdc, fused or non-fused, NEMA Type 1, and
NEMA Type 12
•
Suitable for use as service equipment [56]
•
Receptacles are zinc plated steel for NEMA Type 1 and 12 safety switches
•
Short Circuit Current Rating for fusible switches is 10 kAIR maximum when used with
Class H, K, J or R fuses
•
Short Circuit Current Rating for non-fusible switches is 10 kAIR maximum when
protected by Class H, K, J, R or T fuses
Table 3.26: Hubbellock Receptacle Safety Switch
Amperes
NEMA
Type 1
NEMA
Type 12
Use with Plug [57]
Horsepower Ratings—3Ø
480 Vac [58] 600 Vac [58]
Cat. No. Cat. No. Cat. No. Std. Max. Std. Max.
Fusible—3P, 600 Vac
60 H362WH H362AWH SD12781 15 30 15 50
Non-Fusible—3P, 600 Vac
60 HU362WH HU362AWH SD12781 — 50 — 60
Square D by Schneider Electric brand heavy duty safety switches are UL listed for use
with the following accessories:
Rainproof Bolt-On Hubs
•
UL Listed for indoor or rainproof applications
•
Suitable for use with conduit having ANSI standard taper pipe thread
•
NEMA Type 3R switches with catalog number ending in RB have a bolt-on closing cap
factory installed
– Accepts 3/4 in. through 2-1/2 in. bolt-on hubs
– No gaskets required
•
NEMA Type 3R switches with R suffix have blank top endwalls
– Accepts 3 in. through 4 in. bolt on hubs
– Gaskets provided
– Conduit entry holes must be cut in the field
Table 3.27: Rainproof Bolt-On Hubs
[59]
Conduit
Size
3/4 1 1-1/4 1-1/2 2 2-1/2 3 4 Closing
Cap
Hub Cat.
No
B075 B100 B125 B150 B200 B250 B300 B400 BCAP
Watertight Hubs
Watertight Hubs
•
UL Listed for dusttight and watertight applications
•
Suitable for use with conduit having ANSI standard taper pipe thread
•
Watertight hubs are field installed on NEMA Type 4/4X/5 stainless steel and NEMA
Type 12/3R and 12K enclosures
•
Watertight hubs are available in zinc or chrome plated finish
•
Gaskets provided
Table 3.28: Watertight Hubs
[60]
Conduit
Size
1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4
Standard-
Zinc
Hub Cat.
No
H050 H075 H100 H125 H150 H200 H250 H300 H350 H400
Chrome
Plated
Hub Cat.
No.
H050CP H075CP H100CP H125CP H150CP H200CP — — — —
3
SAFETY SWITCHES
[55] SCCR when using 60 Amp Max fuse.
[56] Receptacle only rated for NEMA Type 1 and 12 applications.
[57] Hubbell plug is furnished with a Kellems grip for 1-1/2 in. to 1-21/64 in. cable diameter.
[58] Std.—Using fast acting one time fuses. Max.—Using dual element time delay fuses.
[59] Gaskets are provided on 3 in. and larger hubs.
[60] Gaskets are provided.
9/13/2019