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Allen Bradley Bulletin 1489 1489-M3D400

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1489-M3D400

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The 1489-M3D400 from Allen Bradley, part of the Bulletin 1489 series, is a thermal-magnetic circuit breaker, designed for reliable protection in electrical systems. This model consists of three poles and is rated for a maximum voltage of 240 VAC at a current of 40 A.

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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-M3D400

ManufacturerAllen Bradley
Product TypeThermal-Magnetic Circuit Breaker
Product LineBulletin 1489
Part Number1489-M3D400
Weight0.88 lbs (0.40 kg)
UPC885630618289
Pole Configuration3 Poles
Trip CurveTrip Curve D
Rated Current40 A
Maximum Voltage Rating240 VAC
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Minimum Operating Temperature-25°C
Maximum Operating Temperature55°C
Minimum Storage Temperature-40°C
Maximum Storage Temperature70°C
Relative Humidity5 to 95% (Non-Condensing)
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The 1489-M3D400 thermal-magnetic circuit breaker by Allen Bradley is an essential component for electrical safety. Built within the Bulletin 1489 series, this device includes a three-pole configuration, allowing it to manage multiple circuits effectively. It is designed to handle a rated current of up to 40 A and can support voltages reaching 240 VAC.

The circuit breaker follows Trip Curve D specifications, which determine the device's reaction to overload conditions. Its operational frequency range is set between 50 Hz and 60 Hz, making it versatile for various applications. The 1489-M3D400 operates within a temperature spectrum that spans from -25°C to 55°C, thus maintaining performance across different environmental conditions.

For storage, it can endure temperatures as low as -40°C and as high as 70°C, ensuring reliability even when inactive. Designed to operate in environments with relative humidity levels from 5% to 95% (non-condensing), the unit remains functional under a variety of conditions. This circuit breaker is valuable in protecting and controlling circuits, providing a critical safeguard for electrical systems.