Type 4 Mild Steel Wallmount Disconnect Enclosure 1447S N4 Series

Continuous Hinge Door with Clamps (Flange w/ multi-vendor cutout)


  • 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 and 1494U variable depth flange mounted disconnect switches and circuit breaker mechanisms.
    • 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.
  • Refer to the Type 4 Wallmount Selection Guide.


  • UL 508A Type 3R, 4
  • CSA Type 3R, 4
  • Complies with
    • NEMA Type 3R, 4, 12
    • IEC 60529, IP66
  • Appropriate components are required to maintain these standards.


  • 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.
  • Seamless poured-in place gasket.
  • 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.


  • Disconnects and operating mechanisms are not provided with the enclosure, and must be ordered separately from the manufacturer.


Gallery Image

Enclosure Inner Panel Quantity Price Buy Now
Part No. H W D H W
1447SN4B8 24.00 21.38 8.00 21.00 17.00 5$855.254Buy Now
1447SN4C8 24.00 25.38 8.00 21.00 21.00 3$929.120Buy Now
1447SN4E8 30.00 25.38 8.00 27.00 21.00 6$1,043.449Buy Now
1447SN4F8 36.00 25.38 8.00 33.00 21.00 3$1,159.314Buy Now
1447SN4G8 36.00 31.38 8.00 33.00 27.00 3$1,334.066Buy Now
1447SN4H12 42.00 31.38 12.00 39.00 27.00 2$1,611.479Buy Now
1447SN4J12 42.00 37.38 12.00 39.00 33.00 1$1,806.522Buy Now
1447SN4K12 48.00 37.38 12.00 45.00 33.00 4$1,978.871Buy Now
1447SN4L12 60.00 37.38 12.00 57.00 33.00 2$2,325.036Buy Now

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Data subject to change without notice.

Tags: 1447, NEMA 4, Type 4, wallmount, disconnect, mild steel, ABB Controls, Allen Bradley, 1494V, 1494U, C-H Westinghouse, C361, C371, General Electric, STDA, Siemens, Max-Flex, Square D, 9422, switch, circuit breaker