Overview
The Allen-Bradley 1494D-N4 is a flange-mounted circuit breaker operator mechanism designed to provide safe and dependable operation of molded case circuit breakers in industrial and commercial electrical systems. The 1494D-N4 Circuit Breaker Operator Mechanism is a Fixed Depth Flange Mounted Circuit Breaker Operator from Allen-Bradley/Rockwell Automation. This mechanism is engineered for long-term reliability and precise control in power distribution applications.
Key Features
- Highly visible “On” and “Off” indicators, a lockable handle, and operational auxiliary contacts
- Available in different variants for right-hand or left-hand operation
- Adaptable to both the NEMA Type 1 (IP 42) and the NEMA Type 12 (IP 65) enclosures
- Durable construction for long service life and dependable performance
- Fixed-depth design for easy integration into standard panel enclosures
Technical Specifications
- Rated Current: 150 Amps
- Mounting Style: Fixed-depth flange mount
- Handle Configuration: Right-hand or left-hand operation
- Enclosure Compatibility: NEMA Type 1 (IP 42) and NEMA Type 12 (IP 65)
- Manufacturer: Allen-Bradley / Rockwell Automation
- Series: 1494D
Typical Applications
- Industrial machinery motor control and protection
- Commercial electrical distribution systems
- Plant and facility power management
- OEM equipment integration requiring reliable circuit control
- Panel-mounted circuit breaker operator retrofit installations
Compatibility & Replacements
Compatible With
- EHD, FD, FDB, FDC, HFD, and HMCP Cutler-Hammer Circuit Breakers with 150 Amps current ratings
- Molded case circuit breakers in the 1494D series family
- NEMA Type 1 and Type 12 electrical enclosures
- Industrial control panels and distribution systems
Replaces / Drop-In Replacement For
The 1494D-N4 is a direct replacement operator mechanism for equivalent circuit breaker operator positions in 1494D series applications. Verify with your system integrator that the frame type (EHD, FD, FDB, FDC, HFD, HMCP) and amperage rating (150A) match your existing installation before ordering.
Works With
- Allen-Bradley circuit breaker systems and enclosures
- Molded case circuit breaker platforms (Cutler-Hammer branded)
- Standard industrial electrical control systems
- NEMA 12 and NEMA 1 rated industrial enclosures
