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Allen Bradley 140G MCB 140G-MTH3-D80

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140G-MTH3-D80

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The 140G-MTH3-D80 molded case circuit breaker from Allen-Bradley is engineered to handle robust electrical loads. It is rated for up to 800 Amps and includes advanced electronic LSI protection. With a maximum interrupting capability and insulation voltage of 1000 Volts, this device is well-equipped for various heavy-duty 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 140G-MTH3-D80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-MTH3-D80
UPC885630442136
Weight4.50 lbs (2.04 kg)
FrameM
Amps800
Interrupting RatingTrip Unit
Protection TypeElectronic LSI
Current Range800 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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In the realm of circuit protection, the Allen-Bradley 140G-MTH3-D80 stands out for its capability and reliability. This unit operates at a substantial current rating of 800 Amps, making it suitable for demanding environments. It features a trip unit with an interrupting rating designed to offer not only safety but also peace of mind in operations involving heavy electrical loads.

The breaker employs electronic LSI technology, ensuring that it responds accurately under faults, thereby helping maintain system integrity. Rated insulation voltage allows the unit to handle up to 1000 Volts, while it can withstand impulse voltages reaching 8 kV, highlighting its robustness against transient conditions.

The molded case circuit breaker weighs approximately 26.68 pounds, indicating its sturdy build. Designed for high operational efficiency, it can achieve a mechanical life of 120 operations per hour and an electrical life of 60 operations per hour, making it a dependable choice for automatic and manual control applications. The 140G-MTH3-D80 is a powerful solution that brings advanced safety features to industrial circuits.

Revision Part #Also known as
140G-MTH3-D80 Ser A140G-MTH3-D80/A, Series A, Rev A
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