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Allen Bradley Bulletin 140 140M-C2E-B40-KN

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140M-C2E-B40-KN

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The Allen Bradley 140M-C2E-B40-KN is a motor protection circuit breaker that ensures reliable operation under varying conditions. It has an adjustable thermal and fixed magnetic trip unit, ideal for protecting motors against overloads.

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Ships from Raleigh, NC
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-C2E-B40-KN

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit Breaker
Product LineBulletin 140
Part Number140M-C2E-B40-KN
UPC611320860788
Weight0.75 lbs (0.34 kg)
Trip Unit TypeAdjustable thermal/fixed magnetic trip unit
Frame TypeFrame size C
Rated Operational Current4 Amperes
Trip ClassClass 10
Current Rating32 Amperes
Motor Current Adjustment Range2.5 to 4 Amperes
Rated Phase3-phase
Supply Voltage Rating480 Volts AC
Control AccessoryBlack lockable knob
Maximum Short Circuit Current Rating25 kiloamperes at 347/600 Volts AC and 65 kiloamperes at 277/480 Volts AC
Mounting MethodDIN rail mount
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The 140M-C2E-B40-KN from Allen Bradley functions as a motor protection circuit breaker, utilizing an adjustable thermal and fixed magnetic trip unit for optimal protection. This device, categorized under frame size C, has an operational capacity of 4 amperes while its current rating goes up to 32 amperes. The motor current adjustment allows for fine-tuning within the range of 2.5 to 4 amperes, accommodating various motor specifications.

Designed for 3-phase applications, this circuit breaker operates at a supply voltage of 480 volts AC. Its maximum short circuit current ratings are substantial, capable of withstanding 25 kiloamperes at 347/600 volts AC and 65 kiloamperes at 277/480 volts AC. Installation is straightforward, utilizing a DIN rail mount method, and its physical interface includes a black lockable knob for control access. The 140M-C2E-B40-KN also holds a UPC of 611320860788, indicating its traceability during inventory and distribution.