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1447SN4 Single Door Disconnect Enclosures - NEMA 4
ABB Controls, Allen Bradley, Cutler Hammer, General Electric, Siemens I-T-E Max-Flex™, Square D
Application
- Designed to house the following safety disconnect equipment:
- ABB Controls flange-mounted
variable depth operating mechanism for disconnect switches and circuit
breakers. Cable version for circuit breakers also available.
- Allen Bradley 1494V variable depth
flange mounted disconnect switches and circuit breaker operators NEMA 4
rated. Will not accept Allen Bradley 1494F disconnect switches, 1494D
circuit breaker operators or 1494V-R1, -R2, or -W2 operating handles.
- C-H Westinghouse C361 variable
depth flange mounted disconnect switches and C371 circuit breaker
operators, and also Flex-Shaft™ handle mechanism for circuit breakers.
Use Cutler Hammer NEMA 4 rated operating handles to maintain NEMA 4
integrity.
- General Electric Type STDA flange
handles and variable depth operating mechanism for disconnect switches
and circuit breakers. Also Spectra-Flex™ cable operators for circuit
breakers.
- Siemens I-T-E Max-Flex™ flange mounted variable depth handles for disconnect switches and circuit breakers. Use handle for NEMA 4.
- Square D class 9422 disconnect
switches with flange-mounted variable depth operating mechanisms or
cable mechanisms and Class 9422 flange-mounted variable depth
operating mechanisms or cable mechanisms for circuit breakers. SN4
enclosures will not accept Square D Class 9422 bracket-mounted
disconnect devices, 9422TG1 or TG2 devices.
Standards
- UL 508 Type 3R, 4
- CSA Type 3R, 4
- Complies with
- NEMA Type 3R, 4, 12
- JIC EGP-1-1967
- IEC 60529, IP66
- Appropriate components are required to maintain these standards.
Construction
- Formed 14-gauge steel.
- Continuously welded seams.
- Larger sizes include door and body stiffeners.
- Welded brackets provide for enclosure mounting.
- Formed lip on door and enclosure exclude flowing liquids and contaminants.
- Cutouts and holes are provided to suit the flange handle operating mechanism.
- Continuously hinged doors may be removed by pulling the stainless steel hinge pin.
- Door is secured with easily operated stainless steel clamps.
- Cover interlock bracket is welded to the door.
- Collar studs are provided for mounting inner panels.
- A removable 12 gauge inner panel is included.
- Oil resistant gaskets are permanently secured and mechanically retained.
- A bonding stud is provided on the door and a grounding stud is provided in the enclosure.
- A literature pocket is provided for the inside of the door.
Note
- Disconnects and operating mechanisms are not provided
with the enclosure, and must be ordered separately from the
manufacturer.
Finish
- Door and enclosure are phosphatized and finished in ANSI 61 gray powder coating.
- Inner panel is finished in white powder coating.
Accessories- Additional inner panels
- Air conditioners
- Blowers
- Breather Kits
- Door stop kits
- Floor stand kits
- Heaters
- Thermostats
- Window kits
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Panel Size |
Mounting Centers |
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| Part No. |
A |
B |
C |
D |
E |
F |
G |
Ship Wt. lbs. |
| 1447SN4B8 |
24 |
21.38 |
8 |
21 |
17 |
15.38 |
25.25 |
60 |
| 1447SN4C8 |
24 |
25.38 |
8 |
21 |
21 |
19.38 |
25.25 |
73 |
| 1447SN4E8 |
30 |
25.38 |
8 |
27 |
21 |
19.38 |
31.25 |
90 |
| 1447SN4F8 |
36 |
25.38 |
8 |
33 |
21 |
19.38 |
37.25 |
100 |
| 1447SN4G8 |
36 |
31.38 |
8 |
33 |
27 |
25.38 |
37.25 |
123 |
| 1447SN4H12 |
42 |
31.38 |
12 |
39 |
27 |
25.38 |
43.25 |
152 |
| 1447SN4J12 |
42 |
37.38 |
12 |
39 |
33 |
31.38 |
43.25 |
200 |
| 1447SN4K12 |
48 |
37.38 |
12 |
45 |
33 |
31.38 |
49.25 |
220 |
| 1447SN4L12 |
60 |
37.38 |
12 |
57 |
33 |
31.38 |
61.25 |
265 |
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