Application

• Designed to house the following safety disconnect equipment:
  • ABB Controls flange mounted variable depth operating mechanisms 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).
  • Cutler Hammer C361 variable depth flange mounted disconnect switches and C371 circuit breaker operators. Also Flex-Shaft™ handle mechanisms for circuit breakers. Use Cutler Hammer NEMA 4X rated operating handles to maintain NEMA 4X integrity.
  • Siemens I-T-E Max-Flex™ flange mounted variable depth handles for disconnect switch and circuit breakers. Use handle for NEMA 4 rating.
  • General Electric Type STDA flange handles and variable depth operating mechanisms for disconnect switches and circuit breakers. Also SpectraFlex™ cable operators for circuit breakers.
  • Square D Class 9422 disconnect switches with flange mounted variable depth operating mechanisms or cable mechanisms and Class 9422 flange mounted variable depth operating mechanism or cable mechanisms for circuit breakers. SN4SS enclosures will not accept Square D Class 9422 bracket-mounted disconnect devices, 9422TG1 or TG2 devices.
• Refer to the Type 4 Wallmount Selection Guide.

Standards

• UL 508A Type 3R, 4 and 4X
• CSA Type 3R, 4 and 4X
• Complies with
  • NEMA Type 3R, 4, 4X, 12 and 13
  • IEC 60529, IP66
• Appropriate components are required to maintain these standards.

Construction

• Formed 14 gauge type 304 stainless steel.
• Continuously welded seams.
• Larger sizes include door and body stiffeners.
• 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.

Finish

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