Overview
The Allen-Bradley 1489-A2D100 is a miniature circuit breaker designed for branch circuit protection in industrial control panels and motor starter applications. This 10-amp, 2-pole unit features a Trip Curve A characteristic, making it suitable for circuits with low inrush loads. The breaker combines thermal and magnetic trip elements for reliable overcurrent and short-circuit protection.
Key Features
- 10-amp rated current with 2-pole configuration
- Trip Curve A for fast response to overloads and faults
- Thermal-magnetic protection mechanism
- UL 489 and CSA certified for North American applications
- Compact design suitable for DIN rail mounting in control enclosures
- Compatible with auxiliary contacts and accessory systems
Technical Specifications
| Rated Current | 10 Amp |
| Pole Configuration | 2-Pole |
| Trip Curve | Type A |
| UL/CSA Maximum Voltage | 240V AC, 48V DC |
| IEC/EN Maximum Voltage | 230V AC |
| Protection Type | Thermal-Magnetic |
| Mounting | DIN Rail |
| Certifications | UL 489, CSA |
| Series | 1489 Miniature Circuit Breaker |
| Manufacturer | Allen-Bradley / Rockwell Automation |
Typical Applications
- Branch circuit protection in industrial control panels
- Motor starter circuits with low inrush current requirements
- Lighting and heating circuits in factory automation systems
- Auxiliary circuits in machinery and equipment
- Control circuit protection for PLCs and drive systems
- Overload and short-circuit protection in control enclosures
Compatibility & Replacements
Compatible With
- Allen-Bradley 1489 series DIN rail frame assemblies
- Standard DIN rail mounting (35 mm)
- UL 508 Listed bus bar systems for panel assembly
- Allen-Bradley auxiliary contact kits and signal contacts
- Shunt trip and lockout attachment accessories
- Industrial control panels and motor control centers
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The 1489-A2D100 may be interchangeable with other 10A, 2-pole circuit breakers in the 1489 series, but specific model cross-reference should be confirmed with manufacturer documentation.
Works With
- Allen-Bradley control enclosures and panels
- Rockwell Automation integrated safety and protection systems
- Standard industrial power distribution architectures
- Thermal-magnetic protection coordination systems
- UL 508A control panel standards
