Wiegmann SN4 SERIES ENCLOSURES Catalog Page
SN4 SERIES ENCLOSURES
NEMA 4 FLANGED SINGLE DOOR DISCONNECT
F6
FEATURES-SPECIFICATIONS
Industry Standards
UL 508, Types 4, 12, & 13
CSA Certified, Types 4 & 12
NEMA/EEMAC Types 3, 4, 12, & 13
JIC EL-1-71
UL File E64791
CSA File LL66078
Applications
Designed to house the following:
• Allen-Bradley Bulletin 1494V discon-
nect switches with flange-mounted
variable depth operating mechanisms
and Bulletin 1494V flange-mounted
variable depth operating mechanisms
for circuit breakers.
Allen-Bradley Bulletin 1494V-R1,
-R2, and -W2 operating handles
and Allen-Bradley Bulletin 1494F
disconnect devices or Bulletin 1494D
circuit breaker operators will not fit
these enclosures.
• ABB Controls flange-mounted
variable depth operating mechanisms
for disconnect switches and circuit
breakers
• Cutler-Hammer/Westinghouse
Type C361 flange-mounted variable
depth operating mechanisms with
disconnect switches and Type C371
flange-mounted variable depth operating mechanisms for circuit breakers
• General Electric Type STDA flange
handles and variable depth operating
mechanisms for disconnect switches
and circuit breakers. Also Spectra
Flex™ cable operators for circuit
breakers
• I-T-E Max-Flex™ flange-mounted
variable depth operating handles
for circuit breakers.
• Square D Class 9422 disconnect
switches with flange-mounted variable
depth operating mechanisms or
cable mechanism and Class 9422
flange-mounted variable depth
operating mechanisms or cable
mechanism for circuit breakers.
Bulletin A19 enclosures will not
accept Square D Class 9422 bracketmounted disconnect devices, 9422TGI,
or TG2 devices
Construction
• Bodies and doors fabricated from
14 gauge steel
• Plasma welded seams
• Rolled lip around all sides of enclosure opening excludes liquids and
contaminants
• All exterior hardware is stainless steel
• Stainless steel door clamps are
provided around three sides of doors
for a watertight seal, additional door
hardware is not required
• Body and door stiffeners provided
in larger enclosures for extra rigidity
• Doors easily removed by pulling
continuous hinge pin
• Polyurethane poured-in-place gasket
• External mounting feet.
• Collar studs for mounting optional
back panel
• Grounding provisions provided
• Bracket welded to door for attaching
disconnect interlock door catch
• Holes provided in body for mounting
disconnect operating handle and
operating mechanism. These
enclosures are designed to operate
properly without the use of door
hardware
• Print pocket is provided
Finish
• ANSI 61 gray polyester powder inside
and out over phosphatized surfaces
• Optional back panels are white
polyester powder over phosphatized
surfaces
Accessories
• Back panels (reference tables)
• See pages J1-J19
• Blank Adapter Plates on pages F57
and J12
IMPORTANT
• Disconnect switch or circuit breakers,
operating handle, and operating
mechanism are not furnished with
the enclosure and must be ordered
separately from the disconnect
manufacturer
• Operator adapter plates are not
required with this enclosure
• Disconnect ordering information
is located on page F8
• Review space occupied by disconnect drawing on page F7 and
disconnect tables on pages F9-F15
to determine if the disconnect device
you are using will fit the enclosure
size you have selected
SN4242108
DATA SUBJECT TO CHANGE WITHOUT NOTICE
®
R
SN4 SERIES ENCLOSURES
NEMA 4 FLANGED SINGLE DOOR DISCONNECT
F7
CATALOG BODY/DOOR ENCLOSURE SIZE BACK PANEL BACK PANEL
STIFFENER
NUMBER STEEL GAUGE H X W X D CATALOG NUMBER* SIZE A X B
DOOR BODY
SN4242108 14/14 24.00x21.38x8.13 (610x543x207) NP2420 21.00x17.00 (533x432) No No
SN4242508 14/14 24.00x25.38x8.13 (610x645x207) NP2424 21.00x21.00 (533x533) No No
SN4302508 14/14 30.00x25.38x8.13 (762x645x207) NP3024 27.00x21.00 (686x533) No No
SN4363108 14/14 36.00x31.38x8.13 (914x797x207) NP3630 33.00x27.00 (838x686) No Yes
SN4423112 14/14 42.00x31.38x12.13 (1067x797x308) NP4230 39.00x27.00 (991x686) Yes Yes
SN4423712 14/14 42.00x37.38x12.13 (1067x949x308) NP4236 39.00x33.00 (991x838) Yes Yes
SN4483712** 14/14 48.00x37.38x12.13 (1219x949x308) NP4836 45.00x33.00 (1143x838) Yes Yes
SN4603712** 14/14 60.00x37.38x12.13 (1524x949x308) NP6036 57.00x33.00 (1448x838) Yes Yes
SN4 SERIES WALL-MOUNT DISCONNECTS
*Back panels must be ordered separately.
**Enclosures are supplied with closed cell neoprene gasket (not foam-in-place).
DATA SUBJECT TO CHANGE WITHOUT NOTICE
0.63
3.00
Ø0.44
W
3.00
2.00
D
Y
OMIT TWO MIDDLE STUDS
IF W = LESS THAN 32.00"
1.50
0.63
3.00
TYP
X
W-3.13
H
H-1.63
1.25
0.44
1.25
DOOR STIFFENER
IF H = 42.00" OR
MORE
D-0.28
X
Y
0.88
0.88
H-6.00
A
B1.75 2.62
1.50
MOUNTING FEET
PANEL
(Order
Separately)
STIFFENER
SEE TABLE
OMIT TWO MIDDLE
STUDS IF H = LESS
THAN 31.00"
SECTION Y-Y
CONTINUOUS
HINGE
0.63
0.88
1.31
D
1.09
GASKET
3/8 - 16 COLLAR
STUD
12 GA.
DOOR
STIFFENER
1.25 TYP
PANEL
(ORDER SEPARATELY)
2.50
14 GA.
2.75
Notes:
1. Large print pocket (8" x 10") is
provided in each enclosure.
2. Panels are made from 12 Ga. steel.
3. Panels have flanges along all sides
when either dimension exceeds 17".
4. The number of door clamps is
dependent on size of enclosure.
Clamps are furnished along three
sides of door.
0.19
MOUNTING
FEET
SECTION X-X
Space Occupied by Disconnect
E = 8.63 when D = 8.00
E = 11.62 when D = 12.00
WB = Wiring Space
See pages F9-F15 for various brands of disconnects
for "F", "G", & "WB" dimensions.
Disconnects will occupy space on panel shown by dimensions
"E", "F", & "G". Wiring space "WB" is available when disconnect
is installed in the enclosure.
Refer to National Electrical Code 1996 article 430-10(b) for wiring
space required for line side conductors to be connected to disconnect.
Verify your application to determine if wiring space is adequate.
BODY
STIFFENER
0.75
THIS SPACE IS OCCUPIED
BY DISCONNECT SWITCH
AND FUSE CLIP (IF USED)
OR CIRCUIT BREAKER.
1.50
TOP HOLE IN
R.H. FLANGE
W
G
E
F
1.59
2.75
DATA SUBJECT TO CHANGE WITHOUT NOTICE
SN4 SERIES ENCLOSURES
NEMA 4 FLANGED SINGLE DOOR DISCONNECT
5.15
Allen-Bradley
When using a Bulletin 1494V disconnect switch, order:
1.A disconnect switch with operating
mechanism (Bulletin 1494V)
2.An operating handle (Bulletin
1494V-W1)
3.A connecting rod [Bulletin 1494VRA1 for 8.00" (203mm) deep enclosures; Bulletin 1494V-RA2 for 12.00"
(305mm) deep enclosures]
4.A trailer fuse block kit, if required
(Bulletin 1494V)
5.A fuse clip kit, if required
6.Line and load connectors, if required
When using a Bulletin 1494V circuit
breaker operating mechanism, order:
1.A circuit breaker (C-H/Westinghouse)
2.A circuit breaker operating mechanism (Bulletin 1494V)
3.An operating handle (Bulletin
494V-W11)
4.A connecting rod [Bulletin 1494VRA1 for 8.00" (203mm) deep enclosures; Bulletin 1494V-RA2 for 12.00"
(305mm) deep enclosures]
ABB Controls
When using a disconnect switch,
order:
1.A flange operated switch (fusible or
non-fusible)
2.A shaft [DSFHS-12]
3.A handle (DSFHN-HS4)
When using a circuit breaker, order:
1.A circuit breaker (ABB)
2.An operating mechanism
3.A shaft [FHS-12]
4.A handle (FHN-HS4)
Cutler-Hammer/Westinghouse
When using a Type C361 disconnect
switch, order:
1.A disconnect switch with an
operating mechanism
2.An operating handle (C361H2 or
C361H4)
When using a Type C371 circuit breaker
operating mechanism with a C-H/
Westinghouse circuit breaker, order:
1.A circuit breaker
2.An operating mechanism
3.An operating handle (C371H2 or
C371H4)
When using a C-H/Westinghouse circuit breaker with a Type 4/4X Flex
Shaft™ handle mechanism, order:
1.A circuit breaker
2.A complete Flex Shaft™ handle
mechanism
General Electric
When using a disconnect switch,
order:
1.A disconnect switch (Type QMR or
QMW)
2.A fuse clip kit or no-fuse kit
3.A flange handle (STDA1X)
4.A variable depth operating mechanism
When using a circuit breaker, order:
1.A circuit breaker
2.A flange handle (STDA1X)
3.A variable depth operating mechanism
When using a circuit breaker with a
Spectra Flex™ cable operator, order:
1.A circuit breaker
2.A flange-mounted handle mechanism
3.A breaker-mounted mechanism
4.An operating cable
I-T-E Siemens
When using a disconnect switch,
order:
1.A basic switch (right-hand)
2.A fuse or no-fuse kit
3.A flange-mounted handle (FHOHS4)
4.Switch operator
5.Cable, 36.00"
When using a circuit breaker, order:
1. A circuit breaker
2.Pressure wire connectors
3.A flange-mounted handle (FH0H4)
4.A circuit breaker operator mechanism
5.An operating cable (standard 36.00")
Square D
When using a Class 9422 disconnect
switch, order:
1.A disconnect switch with operating
mechanism (Class 9422)
2.A handle mechanism (Class 9422
Type A-2 or A-1)
When using a circuit breaker, order:
1. A circuit breaker (Square D)
2.An operating mechanism (Class
9422)
3.A handle mechanism (Class 9422
Type A-2 or A-1)
When using a Class 9422 Type “T”
disconnect switch with a cable mechanism, order:
1.A disconnect switch with operating
mechanism (Class 9422, Type T)
2.A handle mechanism (Class 9422
Type A-1)
3.A cable mechanism (Class 9422
CFT_O) 3-, 5-, or 10-foot
When using a circuit breaker with a
cable mechanism, order:
1.A circuit breaker (Square D)
2.A handle mechanism (Class 9422
Type A-1)
3.A cable mechanism (Class 9422
CFT_O) 3-, 5-, or 10-foot
PLEASE NOTE:
1. Operator adapter plates and door hardware are not required with enclosures on page F7.
2. Various other switch accessories and circuit breaker accessories are available from disconnect
manufacturers. The above information is subject to change without notice. Please contact
Hubbell-Wiegmann or the disconnect manufacturer if there are further questions.
3. The “Space Occupied” tables (pages F9-F15) are based upon information supplied by
disconnect manufacturers. Hubbell-Wiegmann does not assume responsibility for the accuracy
of these dimensions.
* Items available from disconnect manufacturer as complete kits.
DISCONNECT ORDERING INFORMATION
When ordering wall-mounted disconnects from the various
manufacturers, be sure to order all of the necessary items.
Each company has a different system, so care is required.
Order the following items from the disconnect manufacturer.
F8
Use a Type 4 disconnect operating handle on the enclosure
flange to provide corrosion resistance and maintain enclosure
rating.
DATA SUBJECT TO CHANGE WITHOUT NOTICE
SDN12 SERIES & SN4 SERIES ENCLOSURES
DISCONNECT SPACE OCCUPIED & AVAILABLE WIRING SPACE INFORMATION
F9
DS30 30A No fuse — 3.88 6.62 2.88 5.25 9.75 6.75 9.75
DS30 30A 30A-250V H, K, R 5.25 6.62 2.88 5.25 9.75 6.75 9.75
DS30 30A 30A-600V H, K, R 8.00 6.62 2.88 5.25 9.75 6.75 9.75
DS30 30A 30A-600V J 5.25 6.62 2.88 5.25 9.75 6.75 9.75
DS30 30A 60A-250V H, K 6.00 6.62 2.88 5.25 9.75 6.75 9.75
DS30 30A 60A-600V H, K 8.50 6.62 2.88 5.25 9.75 6.75 9.75
DS30 30A 60A-600V J 5.38 6.62 2.88 5.25 9.75 6.75 9.75
DS60 60A No fuse — 3.88 6.62 2.75 5.12 9.62 6.62 9.62
DS60 60A 60A-250V H, K, R 6.00 6.62 2.75 5.12 9.62 6.62 9.62
DS60 60A 60A-600V H, K, R 8.50 6.62 2.75 5.12 9.62 6.62 9.62
DS60 60A 60A-600V J 5.38 6.62 2.75 5.12 9.62 6.62 9.62
DS60 60A 30A-600V H, K, R 8.00 6.62 2.75 5.12 9.62 6.62 9.62
DS60 60A 100A-250V H, K 8.50 6.62 2.75 5.12 9.62 6.62 9.62
DS60 60A 100A-600V H, K 10.50 6.62 2.75 5.12 9.62 6.62 9.62
DS60 60A 100A-600V J 7.25 6.62 2.75 5.12 9.62 6.62 9.62
DS100 100A*** No fuse — 3.88 6.62 — 5.12 9.62 6.44 9.62
DS100 100A*** 100A-250V H, K, R 8.12 6.62 — 5.12 9.62 6.44 9.62
DS100 100A*** 100A-600V H, K, R 10.12 6.62 — 5.12 9.62 6.44 9.62
DS100 100A*** 100A-600V J 6.88 6.62 — 5.12 9.62 6.44 9.62
DS100 100A*** 60A-600V H, K, R 10.12 6.62 — 5.12 9.62 6.44 9.62
DS100 100A*** 60A-600V J 8.88 6.62 — 5.12 9.62 6.44 9.62
DS200 200A*** No fuse — 4.75 7.88 — — 8.12 — 8.12
DS200 200A*** 200A-250V H, K, R 10.88 7.88 — — 8.12 — 8.12
DS200 200A*** 200A-600V H, K, R 13.38 7.88 — — 8.12 — 8.12
DS200 200A*** 200A-600V J 9.50 7.88 — — 8.12 — 8.12
DS200 200A*** 100A-600V H, K, R 12.00 7.88 — — 8.12 — 8.12
DS200 200A*** 100A-600V J 8.75 7.88 — — 8.12 — 8.12
DS400 400A** No fuse — 10.75 10.88 — — — — —
DS400 400A** 400A-250V H, K, R 16.12 10.88 — — — — —
DS400 400A** 400A-600V H, K, R 19.12 10.88 — — — — —
DS400 400A** 400A-600V J 14.62 10.88 — — — — —
DS600 600A No fuse — 10.75 10.88 — — — — —
DS600 600A**** 600A-250V H, R 10.75 10.88 — — — — —
DS600 600A**** 600A-600V H, R 10.75 10.88 — — — — —
DS600 600A 600A-600V J 17.59 10.88 — — — — —
Westinghouse
M40 15A-150A
Circuit Breakers
— 5.00 4.50 4.25 6.62 11.12 8.12 11.12
EHD, FD, FDB,
FDC, HFD, HMCP
Westinghouse
M50 70A-250A
Circuit Breakers
— 9.75 4.75 — — 10.62 — 10.62
JD, JDB, JDC,
HJD, HMCP
Westinghouse
M60 100A-400A
Circuit Breakers
— 9.69 6.12 — — 10.50 — 10.50
KD, KDB, KDC,
HKD, HMCP
TYPE AMP FUSE FUSE
SPACE OCCUPIED
WHEN WHEN WHEN WHEN WHEN
NUMBER RATING CLIP CLASS
FG*
D=8.00 D=10.00 D=12 OR 16 D=8.00 D=12.00
WB WB WB WB WB
ALLEN-BRADLEY BULLETIN 1494V DISCONNECTS
WIRE BEND SPACE “WB” ABOVE DISCONNECT
SDN12 WALL-MOUNTS SN4 WALL-MOUNTS
(PAGE F2-F5) (PAGE F6-F8)
* Does not include space for optional auxiliary switch.
** The 400 amp disconnect switch and the 600 amp disconnect switch will only fit catalog number SDN12603812A (see page F2).
Wire bend space of 12.13" is provided above disconnect when installed.
*** Series B
**** ”F” and “G” do not include separately mounted fuse blocks.
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