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Allen Bradley 140M Circuit Breakers 140M-C-W452

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140M-C-W452

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The 140M-C-W452 is a motor protection circuit breaker from the Allen Bradley 140M series. Designed for 3-phase systems, it has a rated current of 64 A and is compatible with D frames.

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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 140M-C-W452

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit Breaker
Product Line140M Circuit Breakers
Part Number140M-C-W452
Weight0.31 lbs (0.14 kg)
Number Of Phases3-phase
Rated Current64 A
Spacing Type45 mm spacing
Number Of Connections2
Material TypeCopper
Frame CompatibilityD Frame
Operating Temperature Range0 to 40 °C
Storage Temperature Range0 to 40 °C
Maximum Operating Humidity80% (non-Condensing)
Maximum Storage Humidity80% (non-Condensing)
Maximum Operating Altitude1000 MSL without derating
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The Allen Bradley part number 140M-C-W452 represents a robust motor protection circuit breaker. This device is designed specifically for three-phase power distribution systems. It is rated to handle a current of 64 A, ensuring it meets the demands of various motor applications.

The underlying construction utilizes copper for its connections, enhancing conductivity and durability. Frame compatibility is assured with D frame types, allowing efficient integration into existing systems. This breaker features a spacing type of 45 mm, accommodating standard installation configurations.

Environmental considerations are crucial for optimal performance. The operating temperature is restricted to a range of 0 to 40 °C, with the same limits applying to storage conditions. Furthermore, maximum humidity levels are capped at 80% for both operation and storage, preventing moisture-related issues. This circuit breaker can function at altitudes reaching 1000 meters above sea level without necessitating any derating, providing resilience in various settings.