Overview
The Allen-Bradley 800T-NX1540 is a Series T emergency stop pushbutton operator designed for safety-critical applications in industrial automation. This direct-action emergency stop device features a red illuminated 33mm mushroom-head button, providing operators with a distinctive, quick-to-actuate control point. The unit employs N.C. (normally closed) contact architecture to ensure fail-safe operation, making it suitable for machinery requiring immediate shutdown capability.
Key Features
- Direct-acting contact design with solid mechanical connection from button to contacts
- Red illuminated 33mm mushroom-head operator for high visibility
- Series T configuration compatible with Allen-Bradley contact blocks and accessories
- N.C. (normally closed) emergency stop contacts for fail-safe shutdown logic
- Modular design allowing flexible contact block selection and easy assembly
- Rated for harsh industrial environments with reliable performance in demanding conditions
Technical Specifications
- Standard contact configuration provides positive mechanical action
- Button size: 33mm (30.5mm mounting hole compatible)
- Series: T (30mm class emergency stop device)
- Operator style: Red illuminated mushroom head
- Contact type: Direct-acting N.C. contacts
- Modular contact block compatible with PenTUFF, standard, and specialty contact options
- Design: IP65/IP66 rated enclosure compatibility
- Certification: UL/CSA listed emergency stop device
Typical Applications
The 800T-NX1540 is commonly deployed in:
- Machine tool emergency stop circuits (CNC, press, lathe applications)
- Conveyor and material handling system safety controls
- Industrial panel emergency shutdown buttons
- Packaging and assembly line emergency stop stations
- Hazardous process machinery requiring fail-safe stop capability
- OEM equipment requiring modular, code-compliant e-stop solutions
Compatibility & Replacements
The 800T-NX1540 operator is fully compatible with Allen-Bradley 800T series contact blocks and enclosure combinations. Related part numbers in the Series T emergency stop family include the 800T-NX1534 and other 800T variants offering different contact configurations. Direct replacement and upgrade options are available through contact block selection—standard, PenTUFF, explosion-protected, and self-monitoring configurations support flexible safety circuit design. Verify contact block part number compatibility before ordering to ensure proper N.C./N.O. contact configuration for your specific safety application.
