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Allen Bradley Bulletin 1489 1489-M1C070

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1489-M1C070

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The 1489-M1C070 from Allen Bradley is a thermal-magnetic miniature circuit breaker designed for efficient protection in electrical circuits. With a rated current of 7.0 A and a single-pole configuration, it caters to various applications with reliability. This circuit breaker operates effectively across a voltage range of 277 V AC and 48 V DC, ensuring versatility in different environments.

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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-M1C070

ManufacturerAllen Bradley
Product TypeThermal-Magnetic Miniature Circuit Breaker
Product LineBulletin 1489
Part Number1489-M1C070
Rated Current7.0 A
Number of Poles1 pole
Trip CurveC Curve
Rated Voltage (UL/CSA) (AC)277 V AC
Rated Voltage (UL/CSA) (DC)48 V DC
Interrupting Capacity (UL/CSA)10 kA
Interrupting Capacity (IEC)15 kA
Mounting StyleDIN Rail Mount
IP RatingIP20
Minimum Operating Temperature-25°C
Maximum Operating Temperature55 °C
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The Allen Bradley 1489-M1C070 is classified as a thermal-magnetic miniature circuit breaker optimized for effective current management. It holds a rated current capacity of 7.0 A and is configured as a single pole, which fits well into compact installations typical in industrial environments. Designed to function at both 277 V AC and 48 V DC, this circuit breaker ensures adaptability to different electrical systems.

A prominent feature of this mini circuit breaker is its C trip curve, which provides a quick response to overloads while accommodating moderate inrush currents often encountered in motor startup applications. This feature allows it to mitigate nuisance tripping without sacrificing protection.

With respect to fault current handling, the 1489-M1C070 exhibits an impressively rated interrupting capacity of 10 kA in accordance with UL/CSA standards and 15 kA per IEC standards. This capability makes it suitable for applications that might encounter significant fault currents, enhancing overall system safety.

Installation convenience is prioritized, as the breaker is designed for DIN rail mounting, facilitating straightforward integration into existing control panels or switchgear setups. With an IP20 rating, it offers protection against dust ingress and accidental contact with larger objects, thus maintaining operational integrity. Operating temperature range specifications indicate that the circuit breaker can function from a minimum of -25°C to a maximum of 55°C, making it resilient to thermal variations typically associated with industrial settings. Overall, this circuit breaker is a reliable protective device for a range of applications that require thermal-magnetic characteristics.