Hammond 1447SN4 – Type 4 Mild Steel Wallmount Disconnect Enclosure; Continuous Hinge Door with Clamps

Standards

• 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.

Application

• Designed to house the following safety disconnect equipment:
• ABB Controls flange-mounted variable depth operating mechanism for disconnect switches and circuit breakers. A cable version for circuit breakers is 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 Flex-Shaft handles 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 the 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.
• Construction
• Formed 14-gauge steel.
• Continuously welded seams.
• Larger sizes include door and body stiffeners.
• Welded brackets provide for enclosure mounting.
• Formed lip on the door and enclosure excludes 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.
• The door is secured with easily operated stainless steel clamps.
• The 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.

Finish

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