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Allen Bradley Bulletin 1489 1489-M3D010

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1489-M3D010

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The 1489-M3D010 from Allen Bradley is a robust thermal-magnetic miniature circuit breaker designed for reliable protection in electrical systems. With a rated current of 1.0 A and suitable for 480Y/277 V AC applications, it ensures that circuits remain secure under varying loads.

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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-M3D010

ManufacturerAllen Bradley
Product TypeMiniature Circuit Breaker
Product LineBulletin 1489
Part Number1489-M3D010
Weight0.69 lbs (0.31 kg)
FunctionThermal-magnetic miniature circuit breaker
Number of Poles3-pole
Trip CurveCurve D
Rated Current (In)1.0 A
Rated Voltage480Y/277 V
Voltage TypeAC
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Impulse Voltage4 kV
Wire Size25 mm²
Conductor Size35 mm²
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The 1489-M3D010, part of the Allen Bradley Bulletin 1489 series, is engineered as a miniature circuit breaker that provides essential thermal and magnetic protection. This circuit breaker operates with a nominal current rating of 1.0 A, making it suitable for various low-power applications. Configured with 3 poles, it effectively interrupts current flow in case of a fault, ensuring safety.

It functions on alternating current (AC) and is rated for voltages of 480Y/277 V. Operating frequency for this model ranges between 50 Hz and 60 Hz, providing flexibility for different electrical environments. It also features a Trip Curve D designation, which signifies its response characteristics under overload conditions.

Designed for durability, the breaker can handle impulse voltages of up to 4 kV, offering additional protection against voltage spikes. For installation requirements, it supports wire sizes of up to 25 mm² and conductor sizes of 35 mm², facilitating a variety of wiring configurations. Overall, the 1489-M3D010 miniature circuit breaker is a reliable choice for managing electrical loads safely.