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Allen Bradley 140M Circuit Breakers 140M-J2E-C50

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140M-J2E-C50

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The 140M-J2E-C50 from Allen Bradley is designed as a motor protection circuit breaker. It supports a current range from 20 A to 50 A and operates at a rated voltage of 690 VAC, ensuring high-performance efficiency.

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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-J2E-C50

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit Breaker
Product Line140M Circuit Breakers
Part Number140M-J2E-C50
Weight10.00 lbs (4.54 kg)
Current Range20 - 50 A
Rated Operational Voltage690 VAC
Short-Circuit Breaking Capacity at 230V AC25 kA
Short-Circuit Breaking Capacity at 400/415V AC25 kA
Short-Circuit Breaking Capacity at 480V AC25 kA
Short-Circuit Breaking Capacity at 600V AC25 kA
Frame SizeJ-Frame
IP RatingIP20
Minimum Operating Temperature-25°C
Maximum Operating Temperature60°C
Installation Altitude1000 m
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The Allen Bradley 140M-J2E-C50 is a reliable motor protection circuit breaker crafted for robust industrial applications. This device accommodates a current range from 20 to 50 A, making it versatile for various motor protection scenarios. Its rated operational voltage stands at 690 VAC, allowing substantial operational flexibility.

The circuit breaker demonstrates exceptional short-circuit breaking capabilities. At various voltages—230 VAC, 400/415 VAC, 480 VAC, and 600 VAC—it maintains a consistent short-circuit breaking capacity rated at 25 kA. This reliability enhances safety in motor control applications by effectively managing fault conditions.

Featuring a J-frame size, the 140M-J2E-C50 is designed for ease of installation and integration into systems. Its protection rating of IP20 helps shield internal components from access by larger foreign bodies, ensuring operational integrity.

The operational temperature range for this breaker is broad, with a minimum operating temperature of -25°C and a maximum temperature of up to 60°C. It can be installed at altitudes reaching 1000 meters, making it suitable for diverse environments and conditions. Overall, the 140M-J2E-C50 motor protection circuit breaker provides essential functionality for motor management and protective applications.