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Allen Bradley Bulletin 1489 1489-M3D300

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1489-M3D300

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The 1489-M3D300 from Allen Bradley is designed as a miniature circuit breaker suitable for protecting circuits rated up to 30 Amps. Operating at a maximum 480Y/277V AC voltage, this device is configured for standard 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-M3D300

ManufacturerAllen Bradley
Product TypeMiniature Circuit Breaker
Product LineBulletin 1489
Part Number1489-M3D300
UPC885630618319
Weight2.00 lbs (0.91 kg)
ConfigurationStandard
Voltage Rating480Y/277V AC max
Frequency50/60 Hz
Poles3-Pole
ProtectionOverload, Short Circuit, Overvoltage
Trip CurveD
Interrupting Capacity10 kA at 480Y/277V AC
Current Rating30 Amp
MountingDIN Rail or Surface Mount
Type of DriveMolded Case Circuit Breaker
ApplicationProtection for circuits up to 30 Amps
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Model 1489-M3D300 from Allen Bradley is a miniature circuit breaker intended for effective circuit protection up to 30 Amps. This device guarantees operation within a maximum voltage of 480Y/277V AC. Its modular design supports both 50 Hz and 60 Hz frequencies, seamlessly fitting within diverse electrical architectures. Its three poles provide significant protection against various electrical faults. The 1489-M3D300 includes features that guard against overloads, short circuits, and overvoltage conditions, promoting the reliability of connected circuits. This circuit breaker is equipped with a trip curve classified as D, ensuring it responds appropriately to fault conditions while minimizing nuisance tripping. Additionally, it has a rated interrupting capacity of 10 kA at 480Y/277V AC, ensuring it can safely handle fault currents up to this level. At 0.43 kgs, it is lightweight and offers various mounting options, including DIN rail or direct surface mounting, accommodating different installation requirements. Its molded case structure is integral to its operation, providing robustness in various applications.