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Allen Bradley 140G MCB 140G-MTF4-D80

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140G-MTF4-D80

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The 140G-MTF4-D80 is a molded case circuit breaker from Allen-Bradley, designed for robust electrical protection. It features an impressive maximum current rating of 800 amps and employs adjustable thermal and magnetic protection mechanisms.

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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 140G-MTF4-D80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-MTF4-D80
Weight10.00 lbs (4.54 kg)
FrameM
Amps800
Interrupting RatingTrip Unit
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range800 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-MTF4-D80, part of the Allen-Bradley series by Rockwell Automation, is a reliable molded case circuit breaker tailored to manage high-capacity electrical applications. This device is rated for 800 amps, ensuring that it can handle substantial electrical loads without compromising safety. The breaker features a trip unit for its interrupting rating, providing effective response during overload conditions.

In terms of protection, the 140G-MTF4-D80 incorporates both adjustable thermal and magnetic protection, allowing for flexibility in settings based on specific operational needs. The circuit breaker contains four poles, enhancing its capacity for multi-phase systems.

With an insulation voltage rated at 1000 volts, this product is designed for high-voltage applications. Additionally, it is capable of withstanding impulse voltages of up to 8 kV, adding to its reliability against transient overvoltages. Weighing in at 33.29 pounds, the 140G-MTF4-D80 is robust yet manageable for installation purposes.

In terms of operational longevity, the mechanical life of the device stands at 120 operations per hour alongside an electrical life rated for 60 operations per hour. These specifications confirm its durability and suitability for continuous use across various industrial environments.

Revision Part #Also known as
140G-MTF4-D80 Ser A140G-MTF4-D80/A, Series A, Rev A
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