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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
| Panel Size | Mounting Centers | |||||||
| 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 |
