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Allen Bradley Bulletin 1489 1489-M1C040

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1489-M1C040

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The 1489-M1C040 from Allen Bradley is a compact circuit breaker designed for diverse applications. It features a one-pole design with a rated current of 4.0 A, suitable for both AC and DC voltage environments.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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-M1C040

ManufacturerAllen Bradley
Product TypeMiniature Circuit Breaker
Product LineBulletin 1489
Part Number1489-M1C040
Weight0.25 lbs (0.11 kg)
Number of Poles1 pole
Rated Current4.0 A
Trip CurveC Curve
Rated Voltage (AC)277 V AC
Rated Voltage (DC)48 V DC
Min. Frequency Range50 Hz
Max. Frequency Range60 Hz
Short-Circuit Breaking Capacity15 kA
Impulse Voltage4 kV
IP RatingIP40
Wire Size25 mm²
Conductor Size35 mm²
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The Allen Bradley 1489-M1C040 operates as a highly functional miniature circuit breaker, engineered to enhance electrical safety. Rated at 4.0 A, this single-pole breaker is designed to manage electrical loads effectively. It accommodates voltages up to 277 V AC and 48 V DC, making it suitable for various circuit applications.

This unit exhibits a short-circuit breaking capacity of 15 kA, which means it can reliably interrupt fault conditions without sustaining damage. The trip curve classification of C Curve indicates that this breaker is tailored for circuits characterized by moderate inrush currents, providing reliable performance under standard operating conditions.

Operating frequencies fall within the 50 Hz to 60 Hz range, ensuring compatibility with commonly used electrical systems. It withstands impulse voltages up to 4 kV, contributing to its reliability in dynamic electrical environments.

Appreciating the physical design, the 1489-M1C040 is housed in an IP40-rated enclosure, providing essential protection against objects larger than 1 mm while allowing efficient airflow and heat dissipation. The circuit breaker supports wire sizes of 25 mm² and continuous conductor sizes of 35 mm², ensuring versatility and ease of installation in various setups. This breakers design promotes both safety and efficiency, solidifying its role in reliable circuit protection.