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Allen Bradley Bulletin 1489 1489-M3D040

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1489-M3D040

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The 1489-M3D040 miniature circuit breaker from Allen Bradley's Bulletin 1489 series is designed to deliver reliable circuit protection. Featuring three poles and capable of handling up to 4.0 A of rated current at 400 V AC, it ensures dependable performance in various applications.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1489-M3D040

ManufacturerAllen Bradley
Product TypeMiniature Circuit Breaker
Product LineBulletin 1489
Part Number1489-M3D040
Weight0.44 lbs (0.20 kg)
UPC885630618425
Rated Current4.0 A
Rated Voltage400 V
Voltage TypeAC
Trip CurveCurve D
Number of Poles3 poles
Short-circuit Interrupting Capacity15 kA
IP RatingIP20
Wire Size25 mm²
Conductor Size35 mm²
Min. Frequency50 Hz
Max. Frequency60 Hz
Mounting TypeDIN-rail Mount
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The Allen Bradley 1489-M3D040 is a miniature circuit breaker engineered for superior circuit protection. This device accommodates a rated current of 4.0 amperes while operating at a voltage level of 400 volts AC. It is structured with three poles, allowing for effective separation of circuits while maintaining performance integrity.

Built with an impressive short-circuit interrupting capacity of 15 kA, it safeguards against harmful surges in the electrical system. The trip curve is classified as Curve D, which is designed for moderate overload response characteristics, making it suitable for various applications.

This circuit breaker functions efficiently across a frequency spectrum from 50 Hz to 60 Hz, ensuring compatibility with a wide range of electrical systems. With an IP20 rating, it provides protection against foreign objects larger than 12.5 mm, although it is not suitable for outdoor use or in wet conditions. The maximum wire size that can be connected to this unit is 25 mm², while it can accommodate conductors sized up to 35 mm².

For installation, the 1489-M3D040 is compatible with DIN-rail mounting, which simplifies assembly within control panels and industrial setups. Its design highlights reliability and functionality, meeting the needs of engineers and technicians working with electrical installations.