Overview
The Allen-Bradley 1489-A1D100 is a 10-amp, 1-pole molded case circuit breaker with D-curve trip characteristics and 277VAC rating. Series A construction provides thermal-magnetic protection suitable for industrial automation, process control, and machine control applications where reliable overcurrent protection is essential.
Key Features
- 1-pole configuration for single-phase circuit protection
- 10-ampere rated current capacity
- D-curve trip characteristic for selective protection coordination
- 277VAC voltage rating
- Thermal-magnetic tripping mechanism
- Molded case construction for durability
- Series A design standard
Technical Specifications
The 1489-A1D100 meets industry standards for industrial control breakers. Key operational parameters include thermal sensing for overload conditions and magnetic sensing for fault detection, ensuring fast response to abnormal circuit events.
Typical Applications
- Industrial control panels and enclosures
- Machine tool circuits and automation equipment
- Motor control centers (MCC) feeder protection
- Process automation systems
- Building automation and HVAC control
- Factory automation circuits
Compatibility & Replacements
Compatible With
- 277VAC single-phase power systems
- Industrial control enclosures rated for 1489-series breakers
- Panel-mounted breaker installations
- Systems requiring D-curve protection coordination
Replaces / Drop-In Replacement For
The 1489-A1D100 is a direct replacement for equivalent 10A, 1-pole, 277VAC circuit breakers in legacy systems. Verify compatibility with your system integrator before ordering to ensure proper coordination with existing overcurrent protection schemes.
Works With
- Allen-Bradley control systems and panel designs
- Rockwell Automation industrial solutions
- Standard industrial electrical enclosures
- Systems using selective coordination protection
