E4SPB

Overview

The Hoffman Enclosures Inc. E4SPB is a steel pushbutton enclosure with a steel gray polyester powder-coated finish. It measures 7.250 inches in length, 6.250 inches in width, and 3.000 inches in height (184.15mm x 158.75mm x 76.20mm). The unit features four holes designed to accommodate 30.5 mm or 22.5 mm pushbuttons and switches. It carries UL 508A, CUL, and CSA C22.2 approvals.

Feature Summary

• Seams are continuously welded and ground smooth for durability
• Cover screws are captivated and thread into sealed wells
• Includes bonding provision on the cover and a grounding stud on the body

Applications

• Housing 30.5 mm pushbuttons and switches
• Housing 22.5 mm pushbuttons and switches
• Industrial control panel installations requiring Type 12 protection

Procurement Notes

Verify that the specific application requires the 30.5 mm or 22.5 mm hole configuration compatible with this model. Confirm that UL 508A, CUL, and CSA C22.2 approvals meet the regulatory requirements of the installation site. Ensure the steel gray finish aligns with the aesthetic standards of the existing equipment assembly.

Selection Notes

Select this model when a compact, grounded enclosure is needed for multiple pushbuttons. The 3-inch depth provides adequate space for standard switch mechanisms. The captive screw design simplifies maintenance by preventing loss of fasteners during cover removal.

Part Context

This component belongs to the Hoffman E series of pushbutton enclosures. These units are specifically engineered to protect operator interface devices from environmental contaminants while maintaining electrical safety standards through continuous welding and proper grounding provisions.

Replacement Considerations

No public confirmed substitute part numbers are available.