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Allen Bradley 140M Circuit Breakers 140M-I8P-B70

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140M-I8P-B70

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The Allen Bradley 140M-I8P-B70 serves as a motor protection circuit breaker, specifically designed for reliable operation in industrial settings. It accommodates a rated continuous current of 7 Amperes and operates at a maximum voltage of 600 Volts AC across three phases, ensuring effective protection for connected motors.

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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 140M-I8P-B70

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit Breaker
Product Line140M Circuit Breakers
Part Number140M-I8P-B70
GTIN10611320987451
Weight3.56 lbs (1.62 kg)
Rated Continuous Current7 Amperes
Rated Operational Voltage (AC)600 Volts AC
Phase Configuration3 Phase
Number of Poles3 Poles
Frame DesignationI Frame
Auxiliary Contacts1 NO & 1 NNC
Operating Frequency50/60 Hertz
Short Circuit Interrupting Capacity65 kA at 480 Volts AC
Breaking Capacity CategoryHigh Break
Protection MechanismAdjustable Magnetic Trip
Frame Current Rating205 Amperes
Mounting MethodDIN Rail Mountable
Ingress Protection (IP) CodeIP20
Terminal Connection TypeScrew Clamp Terminals
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The 140M-I8P-B70 motor protection circuit breaker from the Allen Bradley 140M series provides essential safeguarding for motors. It can handle a rated continuous current of 7 Amperes and operates effectively with a rated voltage of 600 Volts AC in three-phase applications. Designed with three poles, its configuration ensures comprehensive protection across multi-phase systems.

This model incorporates an adjustable magnetic trip mechanism, allowing users to set the trip level as needed for specific applications. The breaking capacity indicates a high break category, making it suitable for high-demand environments. Notably, the circuit breaker's short-circuit interrupting capacity is rated at 65 kA when used with 480 Volts AC, ensuring reliable operation during fault conditions.

The frame designation is identified as I frame, providing a clear understanding of its rated current capabilities, which serves up to 205 Amperes. It is structured for mounting on a DIN rail, facilitating ease of installation within control panels. Ingress protection is rated at IP20, ensuring basic protection against dust ingress. The terminal connection type is screw clamp, providing secure and manageable wire connections.

Designed to operate efficiently at frequencies of 50 or 60 Hertz, this circuit breaker is equipped with auxiliary contacts—1 normally open and 1 normally closed—to support additional functionalities within electrical control systems. Overall, the 140M-I8P-B70 is engineered for robustness and adaptability, making it suitable for a wide range of motor protection applications.