Overview
The Allen-Bradley 1494D-N40 is a circuit breaker operator mechanism engineered for industrial automation and motor control systems. This flange-mounted component provides reliable mechanical actuation for circuit breaker operation, making it ideal for applications requiring robust electrical protection and switchgear control. The 1494D-N40 operates within the proven Allen-Bradley 1494D series architecture, widely deployed in manufacturing, utilities, and heavy industrial environments.
Key Features
- Flange-mount design for secure installation in control panels and switchgear enclosures
- Mechanical slide mechanism provides reliable manual and motorized actuation
- Compatible with standard Allen-Bradley circuit breaker modules in the 30–60 Amp range
- Durable industrial-grade construction engineered for long service life
- Integrates seamlessly with 1494D series motor control components
Technical Specifications
The 1494D-N40 mechanism accommodates connecting rods and operating handles for safe breaker operation. This component is part of Allen-Bradley’s comprehensive circuit protection portfolio and functions as the mechanical interface between manual/motorized controls and circuit breaker trips. Designed for environments requiring frequent actuation and high reliability.
Typical Applications
- Motor starter and circuit breaker assemblies
- Industrial control panels and switchgear
- Machine tool electrical protection systems
- Manufacturing process control systems
- Utility and power distribution panels
Compatibility & Replacements
The 1494D-N40 is part of the Allen-Bradley 1494D operator mechanism family. Variants include 1494D-N4, 1494D-N10, 1494D-N50, and 1494D-N60, each designed for different breaker configurations and current ratings. When paired with circuit breaker modules such as CB0204 (45A rated), the 1494D-N40 delivers comprehensive motor control and protection. Consult with your controls engineer to verify compatibility with your specific circuit breaker module revision level and control architecture.








