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Allen Bradley Bulletin 140MG 140MG-H8P-B30-KA

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140MG-H8P-B30-KA

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The 140MG-H8P-B30-KA from Allen Bradley is a motor protection circuit breaker designed to manage overcurrent situations. Equipped with a three-pole design, it provides effective protection in motor applications.

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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 140MG-H8P-B30-KA

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit Breaker
Product LineBulletin 140MG
Part Number140MG-H8P-B30-KA
Weight3.00 lbs (1.36 kg)
UPC885630568614
Breaking Capacity35-65 kA at 480 V
MCCB TypeMCP Type
Frame SizeH Frame
Mounting StylePanel/Open
Rated Operational Current (Ie)3A
ComplianceIEC/UL
Poles3 Poles
ApplicationMotor Overcurrent Protection
Protection TypeMCP (Magnetic Only)
Alarm ContactYes
Aux/Alarm Voltage250 V AC/DC
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The Allen Bradley 140MG-H8P-B30-KA is classified as a motor protection circuit breaker, specifically designed to safeguard motors from overcurrent conditions. This circuit breaker features an H frame size, ensuring compatibility with a variety of installation configurations. As a three-pole device, it provides comprehensive protection for motor circuits. Its breaking capacity ranges from 35 to 65 kA when subjected to 480 volts, making it suitable for high-demand applications.

With a rated operational current of 3A, the breaker is designed for effective performance in standard operational scenarios. It employs a magnetic only protection type, known as MCP, which activates quickly to protect the motor circuitry during overload situations. This reliability is crucial in preventing potential damage to motor systems.

The device can be mounted in panel or open configurations, allowing for flexibility in various settings. It complies with both IEC and UL standards, signifying its adherence to internationally recognized safety and performance criteria. Furthermore, the 140MG-H8P-B30-KA includes alarm contact features for enhanced monitoring capabilities, which is critical in alerting operators to anomalies. It can accommodate auxiliary alarm voltages of up to 250 V AC/DC, making it a versatile option for users needing advanced signaling capabilities in their systems.