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Allen Bradley 140M Circuit Breakers 140M-C2E-B40-KY

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140M-C2E-B40-KY

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The 140M-C2E-B40-KY is a molded case circuit breaker manufactured by Allen Bradley. Designed for effective circuit protection, this unit operates at a frame rating of 32 Amperes and accommodates input frequencies of 50 to 60 Hertz.

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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-C2E-B40-KY

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140M Circuit Breakers
Part Number140M-C2E-B40-KY
Weight3.00 lbs (1.36 kg)
UPC611320804478
Frame SizeFrame size C
Frame Rating32 Amperes
Breaking CapacityNormal break
Protection TypeAdjustable thermal/fixed magnetic trip unit
Magnetic Trip Current52 Amperes
Adjustable Thermal Current Range2.5 to 4 Amperes
Input Frequency50 to 60 Hertz
Supply Voltage277/480 Volts AC
Trip ClassClass 10
Knobs And Adaptor TypeRed or yellow lockable twist knobs
Maximum Available Fault Current5 kiloamperes
Maximum Short Circuit Current100 kiloamperes at 400 Volts AC and 65 kiloamperes at 480 Volts AC

The Allen Bradley 140M-C2E-B40-KY falls under the category of molded case circuit breakers. Its frame rating is set at 32 Amperes and classified within frame size C. This circuit breaker is effective in protecting electrical circuits, featuring a breaking capacity classified as normal. The device utilizes a trip unit that offers both adjustable thermal and fixed magnetic protection mechanisms. The magnetic trip triggers at 52 Amperes, ensuring a responsive safety measure for the connected circuitry. The adjustable thermal current range allows flexibility between 2.5 to 4 Amperes, accommodating varying operational requirements. This model is suitable for input frequencies of 50 to 60 Hertz, ensuring compatibility with standard electrical systems. It operates effectively at supply voltages of 277 to 480 Volts AC. This breaker incorporates a trip class of Class 10, highlighting its capability for effective interruption during fault conditions. Operational elements include red or yellow lockable twist knobs for ease of use and security. Regarding its short-circuit protection capabilities, it can manage a maximum of 100 kiloamperes at 400 Volts AC, as well as 65 kiloamperes at 480 Volts AC. The maximum available fault current capacity stands at 5 kiloamperes, allowing the circuit breaker to handle substantial current surges in adverse conditions.