1489-M2D040
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Overview of Allen-Bradley 1489-M2D040
The Allen-Bradley 1489-M2D040 is a 2-pole miniature circuit breaker from the Bulletin 1489-M series. It has a current rating of 4 Amps and features a D trip curve for high inrush current applications. The breaker is designed for use in power distribution and protection, suitable for industrial and commercial electrical systems.
Key Features of Allen-Bradley 1489-M2D040
- Poles: 2-pole
- Current Rating: 4 Amps
- Trip Curve: D (for high inrush currents)
- Voltage Rating: 480Y/277 V AC, 96 V DC
- Interrupting Capacity: 15 kA (IEC), 10 kA (UL/CSA)
- Mounting: DIN rail mountable
- Operating Temperature: -25 to 55 °C
- Certifications: UL 489, CSA C22.2, IEC/EN 60947-2
- Indicator Window: Red ON / Green OFF for trip indication
- Dimensions: Approx. 111 x 69 x 17.5 mm
Technical Specifications of 1489-M2D040
| Rated Current | 4 A |
| Poles | 2 |
| Trip Curve | D |
| Rated Voltage | 480Y/277 V AC, 96 V DC |
| Interrupting Capacity | 15 kA (IEC), 10 kA (UL/CSA) |
| Mounting | DIN rail |
| Operating Temperature | -25 to 55 °C |
| Dimensions (H x W x D) | 111 x 69 x 17.5 mm |
Applications / Use Case
The 1489-M2D040 circuit breaker is suitable for protecting industrial and commercial electrical equipment and distribution systems subject to high inrush currents. It offers reliable overload and short-circuit protection, commonly used in motor control centers, lighting circuits, transformers, and power distribution panels.
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