Overview
The Hoffman ESPB pushbutton enclosure is a robust, OSHA yellow control box built for industrial machinery safety and operator control. This 5-hole enclosure provides a proven mounting platform for 30.5-mm (1.2-inch) oil-tight pushbuttons, selector switches, and indicator lights. The unit is manufactured from heavy-gauge steel and finished in high-visibility OSHA yellow, making it ideal for start/stop controls, emergency stop stations, and multi-button control arrays on production equipment, conveyors, and factory machinery.
Key Features
- 5-hole configuration — Accommodates multiple pushbuttons or switch combinations in a single enclosure
- OSHA yellow finish — High-visibility color meets ANSI safety standards for operator awareness
- 30.5-mm (1.2-inch) punch pattern — Compatible with industry-standard oil-tight pushbuttons and selector switches
- Heavy-gauge steel construction — Durable, long-lasting enclosure rated for industrial floor environments
- Pre-drilled mounting holes — Enables quick installation on machinery frames, control panels, and pillar mounts
Technical Specifications
- Model: ESPB S075 410RB
- Manufacturer: Hoffman (nVent HOFFMAN)
- Hole Pattern: 5 holes, 30.5-mm (1.2-inch) centers
- Material: Cold-rolled steel
- Finish: OSHA Yellow epoxy powder coat
- Mounting: Pedestal, wall, or machine frame attachment
- Enclosure Type: Open-face pushbutton enclosure (Type 12 standard)
- Pushbutton Compatibility: 30.5-mm and 22.5-mm oil-tight pushbuttons
- Origin: United States
Typical Applications
The Hoffman ESPB enclosure is widely used in:
- Manufacturing and assembly line start/stop controls
- Conveyor and material handling equipment operation
- Emergency stop (E-Stop) button stations
- Multi-function control panels for industrial machinery
- Machine tool and press control stations
- Packaging and production line safety stations
Compatibility & Replacements
The Hoffman ESPB enclosure works with standard industry pushbuttons and selector switches using the 30.5-mm punch pattern. It is compatible with common oil-tight pushbutton models from Eaton, Siemens, ABB, and other industrial control suppliers. Related Hoffman enclosure models in the ESPB series include 1-hole, 2-hole, 3-hole, and 4-hole variants. For equivalent NEMA 4X stainless steel alternatives, nVent HOFFMAN offers E1PBSS, E2PBSS, and E3PBSS series enclosures. This unit is ideal as a direct replacement for obsolete or damaged Hoffman yellow pushbutton control boxes.
