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Allen Bradley Bulletin 1489 1489-M3D050

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1489-M3D050

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The 1489-M3D050 is a miniature circuit breaker from Allen Bradley's Bulletin 1489 series. Rated for a current of 5 amps, it features a trip curve characteristic classified as D. This device can operate at a maximum voltage of 480Y/277 volts AC according to UL/CSA standards and 400 volts AC per IEC/EN specifications.

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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-M3D050

ManufacturerAllen Bradley
Product TypeMiniature Circuit Breaker
Product LineBulletin 1489
Part Number1489-M3D050
UPC885630618418
Weight0.88 lbs (0.40 kg)
Number of Poles3 Poles
Rated Current5A
Trip Curve CharacteristicTrip Curve D
Maximum Operating Voltage480Y/277V AC (UL/CSA) / 400V AC (IEC/EN)
Rated Frequency50/60 Hz
Impulse Withstand Voltage4 kV
IP Rating (Inside)IP40
IP Rating (Outside)IP20
Mounting StyleDIN-35 Rail Mount
Minimum Operating Temperature-25 °C
Maximum Operating Temperature55 °C
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The Allen Bradley 1489-M3D050 serves as a miniature circuit breaker specifically designed for efficient power management. It is engineered with three poles and can handle a rated current of 5A, making it suitable for moderate circuit protection needs. The circuit component adheres to specified trip curve D characteristics, ensuring reliable performance under varying conditions.

This device can withstand operating voltages up to 480Y/277V AC for UL/CSA applications or 400V AC for IEC/EN compliance. The circuit breaker is capable of functioning with an operational frequency of 50 or 60 Hz. A notable feature is its impulse withstand voltage capability of 4 kV, providing resilience against voltage spikes.

For optimal operating conditions, the 1489-M3D050 is designed to function within a temperature range of -25 °C to 55 °C. It also features varying degrees of ingress protection, rated at IP40 internally and IP20 externally, allowing for suitable placement in environments where dust and moisture are factors. It can be conveniently mounted on a DIN-35 rail, simplifying installation in control panels or electrical enclosures.