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Allen Bradley 140U MCB 140U-I-CLC70

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140U-I-CLC70

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The Allen Bradley 140U-I-CLC70 is a molded case circuit breaker designed for efficiency and safety in electrical systems. This unit features a voltage class of 600 Volts AC and a continuous current rating ranging from 15 to 70 Amperes, ensuring it can accommodate a variety of load requirements.

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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 140U-I-CLC70

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-I-CLC70
Weight1.00 lbs (0.45 kg)
GTIN10662074820211
Frame TypeI-frame
Number of Poles3 poles
Magnetic Trip Range500 to 1,200 Amperes
Continuous Current Rating15 to 70 Amperes
Phase Rating1-phase
Voltage Class600 Volts AC
Starter SizeNEMA Size 1 (minimum) and NEMA Size 3 (maximum)
Protection TypeFixed thermal magnetic trip unit
Rated Interrupting Rating200,000 Amperes (symmetrical) at 600 Volts AC
Mounting StyleBolt-on mount
Applicable Wire Size14 to 2 American Wire Gauge
Compatible Wire TypeCopper or aluminum
Operating AltitudeUp to 1,000 meters (3,300 feet)
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The 140U-I-CLC70 model from Allen Bradley is a robust molded case circuit breaker that serves as a crucial component in electrical distribution systems. With a frame categorized as I-frame, this breaker features three poles. It operates efficiently within a voltage class of 600 Volts AC.

The continuous current rating of the 140U-I-CLC70 ranges from 15 to 70 Amperes, providing versatility for different applications. It includes a magnetic trip function that covers a trip range from 500 to 1,200 Amperes, ensuring it responds appropriately to fault conditions.

This circuit breaker is suitable for 1-phase rating and can handle a rated interrupting capacity of 200,000 Amperes at 600 Volts AC. Its construction is designed for bolt-on mounting, facilitating straightforward installation.

Compatible wire sizes range from 14 to 2 American Wire Gauge, accommodating both copper and aluminum wire types for versatility in wiring configurations. Additionally, it is designed for operation at altitudes up to 1,000 meters (3,300 feet), making it suitable for a variety of environments.