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Allen Bradley Bulletin 140MG 140MG-G8P-C70

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140MG-G8P-C70

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The model 140MG-G8P-C70, part of the Bulletin 140MG series by Allen Bradley, is a robust circuit breaker designed for reliable defense in electrical systems. This unit features a three-pole design and is suited for three-phase applications, supporting a maximum operational current of 70 Amps and an adjustable magnetic trip unit.

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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-G8P-C70

ManufacturerAllen Bradley
Product TypeCircuit Breaker
Product LineBulletin 140MG
Part Number140MG-G8P-C70
UPC885630441993
Weight2.13 lbs (0.96 kg)
Number of Poles3 Poles
Phase Type3 Phase
Frame SizeG Frame
Protection TypeMagnetic Only
Rated Operational Current70 A
Interrupting Rating (UL/CSA)35 to 65 kA at 480V AC
Trip Unit Adjustment OptionAdjustable Magnetic
HP Rating at 460 Volts AC50 Hp
HP Rating at 575 Volts AC60 Hp
Control Element TypeToggle Handle
Main Circuit ConnectionFront-side Screw Terminals
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The Allen Bradley 140MG-G8P-C70 is characterized as a highly functional circuit breaker, specifically from the Bulletin 140MG series. This unit is capable of managing three-phase electrical systems and comes with three poles, enhancing its compatibility in various installations. Rated for a maximum operational current of 70 Amps, this breaker is designed to facilitate reliable performance under typical electrical loads.

Engineered with a G frame size, it provides a compact solution while offering substantial interrupting capacity. Specified for magnetic-only protection, it effectively isolates faults with its adjustable magnetic trip feature, enabling precise calibration to match operational needs. It is important to note that this breaker has a notable interrupting rating, which falls between 35 and 65 kA at an input of 480V AC, making it well-suited for protecting critical circuits in diverse applications.

The 140MG-G8P-C70 has impressive horsepower ratings, being able to support up to 50 Hp at 460 Volts AC and 60 Hp at 575 Volts AC, which further confirms its effectiveness in demanding electrical systems. The control element is a toggle handle, providing an intuitive method for operation and control. For main circuit connections, front-side screw terminals ensure simple and efficient installation processes. Overall, the 140MG-G8P-C70 stands as an essential component for safeguarding electrical circuits while ensuring user-friendly management.