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Allen Bradley 140M Circuit Breakers 140M-F8E-C45

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140M-F8E-C45

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The 140M-F8E-C45 is a circuit breaker from Allen Bradley's Bulletin 140M series, specifically designed for motor protection applications. This device features a turn button controller and is housed in an F-frame structure.

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2 Year DO Supply Warranty
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 140M-F8E-C45

ManufacturerAllen Bradley
CategoryMotors
Product Line140M Circuit Breakers
Part Number140M-F8E-C45
UPC662468964531
Weight2.00 lbs (0.91 kg)
ProductCircuit Breaker
FrameF-Frame
Breaker TypeMotor Protection Breaker
Control ElementTurn Button
Main Circuit Electrical Connection OptionScrew Connection
Operational Current45A
Supply Current6.3A
Nominal Magnetic Trip Current585A
Electrical Lifecycle30,000 Operations
Insulation Voltage690V AC
Thermal ProtectionSupported
Number of Poles3 Poles
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The Allen Bradley part number 140M-F8E-C45 is categorized as a circuit breaker intended for use in motor protection scenarios within the Bulletin 140M series. Designed with a robust F-frame, it supports an operational current of 45 Amperes, allowing it to manage substantial electrical loads efficiently. The supply current is rated at 6.3 Amps, offering accurate control.

This device features a turn button for the control element, which effectively manages the circuit. The main electrical connections are made via screw connections, providing secure and reliable integration into various systems. Notably, the circuit breaker is capable of a nominal magnetic trip current up to 585 Amps, which is critical for protecting motors from potential overloads.

The thermal protection capability ensures that the breaker can safeguard against excessive heat conditions. With an impressive electrical lifecycle rated at 30,000 operations, the 140M-F8E-C45 is built for longevity and durability. It is also rated for an insulation voltage of 690 Volts AC, meeting the necessary standards for safety and performance.

This circuit breaker is configured with three poles, allowing it to manage motor circuits effectively. The combination of features encapsulated in this circuit breaker makes it a reliable choice for a spectrum of motor control applications.