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Allen Bradley 140U MCB 140U-H0C3-C50

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140U-H0C3-C50

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The 140U-H0C3-C50 is a molded case circuit breaker from Allen Bradley's 140U MCB series. It features three poles and offers several protection mechanisms, including fixed thermal and fixed magnetic trip types, suitable for effective circuit management.

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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 140U-H0C3-C50

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-H0C3-C50
Weight2.75 lbs (1.25 kg)
UPC662074766215
Breaking Capacity≥100 kA
Thermal Protection TypeFixed Thermal
Magnetic Protection TypeFixed Magnetic
Number of Poles3 Poles
Rated Current50A
Thermal Trip Rating50A
Magnetic Trip Rating500A
Breaking Capacity (50 Hz)200 kA @ 220 to 240 VAC, 100 kA @ 380 to 415 VAC, and 35 kA @ 690 VAC
Interrupting Rating (60 Hz)200 kA @ 240V, 100 kA @ 480V, 35/18 kA @ 500V, and 8/9 kA @ 690V AC
Current Rating125A
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In the realm of circuit protection, the 140U-H0C3-C50 molded case circuit breaker from Allen Bradley stands out with its reliable operational capabilities. Rated for a current of 50A, this model features three poles to facilitate efficient circuit management. The device is equipped with fixed thermal and magnetic protections, which ensure that circuits remain safeguarded against overloads and short circuits.

The circuit breaker's breaking capacity is rated at ≥100 kA, providing substantial protection. Specifically, it can accommodate breaking capacities of 200 kA at 220 to 240 VAC, 100 kA at 380 to 415 VAC, and 35 kA at 690 VAC under 50 Hz operation. For 60 Hz applications, the interrupting ratings are 200 kA at 240V, 100 kA at 480V, 35/18 kA at 500V, and 8/9 kA at 690V AC.

Notably, it also features a thermal trip rating of 50A and a remarkable magnetic trip rating of 500A, ensuring that the breaker responds effectively to variances in electrical flow. The current rating stands at 125A, demonstrating the versatility and capability of this molded case circuit breaker in various applications. Overall, the 140U-H0C3-C50 serves as a critical component in circuit protection, offering peace of mind in electrical installations.