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Allen Bradley Bulletin 1489 1489-M3C050

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1489-M3C050

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The Allen Bradley 1489-M3C050 serves as a miniature circuit breaker designed to safeguard electrical circuits. Rated at 5.0 A, it operates effectively at voltages of 480Y/277 V AC with a trip curve classification of Curve C.

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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-M3C050

ManufacturerAllen Bradley
Product TypeMiniature Circuit Breaker
Product LineBulletin 1489
Part Number1489-M3C050
Weight0.81 lbs (0.37 kg)
Trip CurveCurve C
Number of Poles3-pole
Rated Current5.0 A
Rated Voltage480Y/277 V
Voltage TypeAC
Min. Frequency50 Hz
Max. Frequency60 Hz
Interrupt Rating10 kA
Mounting TypeDIN-rail Mount
Protection TypeThermal-magnetic protection
Wire Size25 mm²
Conductor Size35 mm²

The product 1489-M3C050, manufactured by Allen Bradley, is categorized as a miniature circuit breaker intended for reliable circuit protection. It is engineered with a rated current of 5.0 A, making it suitable for various applications requiring careful current management. Operating within an impressive voltage range of 480Y/277 V AC, this unit adheres to a trip curve rated as Curve C, offering suitable characteristics for moderate overload conditions.

It comes with three poles, indicating its capacity to manage multiple circuit connections efficiently. The device is designed to operate within a frequency spectrum of 50 to 60 Hz, ensuring compatibility with typical power systems. With an interrupt rating of 10 kA, it provides robust protection against short circuits, effectively minimizing potential damage in fault conditions.

This miniature circuit breaker is constructed for simple DIN-rail mounting, facilitating easy integration into electrical panels or systems. It also features thermal-magnetic protection to enhance safety during operation. The unit is compatible with wire sizes of up to 25 mm², while the conductor size it can accommodate reaches up to 35 mm², which allows for versatile wiring configurations.