Overview
The Allen-Bradley 1489-A2D050 is a compact miniature circuit breaker designed for industrial electrical protection in control panels and automation systems. This 2-pole unit carries a 5-amp rating and is engineered to safeguard low-voltage AC circuits in manufacturing, process control, and machinery applications. Available new in box, it delivers the dependable thermal-magnetic protection Allen-Bradley is known for.
Key Features
- 2-pole configuration for dual-phase protection
- 5-amp rated capacity for precise circuit protection
- 480Y/277 VAC rated voltage compatibility
- DIN-rail mounting for standard industrial panel installation
- UL489 certification for North American compliance
- Miniature form factor reduces panel footprint
- Manual trip lever for manual circuit isolation
- New in box condition ensures reliability
Technical Specifications
- Rated Voltage: 480Y/277 VAC
- Ampere Rating: 5A
- Pole Configuration: 2-Pole
- Mounting Style: DIN-Rail
- Series: 1489-A (Series A)
- Form Factor: Miniature Circuit Breaker
- Certification: UL489
- Trip Mechanism: Thermal-Magnetic
- Manual Isolation: Yes
- Condition: New in Box
- Manufacturer Status: Discontinued (April 30, 2014)
Typical Applications
- Industrial control panel branch circuits
- PLC and automation equipment power distribution
- Motor starter auxiliary circuits
- Machine tool electrical protection
- Conveyors and material handling systems
- Factory and plant electrical systems
Compatibility & Replacements
Compatible With
- Standard industrial DIN-rail mounted enclosures
- Allen-Bradley and third-party control panels
- 480V and 277V AC electrical systems (480Y/277VAC rating)
- Manual or automatic overcurrent protection schemes
Replaces / Drop-In Replacement For
The 1489-A2D050 is a discontinued series A unit. For current replacement options within the Allen-Bradley 1489 family, consult your system integrator or authorized distributor for compatible drop-in alternatives such as current-generation 1489-M or 1489-SPM series breakers.
Works With
- Allen-Bradley ControlLogix and CompactLogix systems
- Rockwell Automation Studio 5000 control environments
- EtherNet/IP industrial networks
- Industrial control architectures requiring low-voltage protection
















