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Allen Bradley 140G MCB 140G-MTI4-D80

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140G-MTI4-D80

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The 140G-MTI4-D80, an Allen-Bradley molded case circuit breaker, is designed for high capacity applications. It operates at an impressive 800 Amps and uses electronic LSIG for protective measures against overloads. With a solid construction in an M frame, it can handle voltages up to 1000V. This unit is equipped with a trip unit interrupting rating, ensuring effective circuit management in demanding electrical systems.

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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-MTI4-D80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-MTI4-D80
Weight15.00 lbs (6.80 kg)
FrameM
Amps800
Interrupting RatingTrip Unit
Protection TypeElectronic LSIG
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-MTI4-D80 is part of the Allen-Bradley series of molded case circuit breakers, a reliable choice for substantial electrical control. This device is built with a frame designated as M and is rated for 800 Amps, allowing it to accommodate high current demands effectively.

This circuit breaker utilizes electronic LSIG protection, providing superior handling of overloads and fault conditions, ensuring that sensitive equipment remains safeguarded. The four-pole configuration allows for versatile applications, particularly in three-phase setups.

With a rated insulation voltage of 1000V, it can operate safely within demanding electrical environments. Additionally, this model can endure a rated impulse withstand voltage of up to 8 kV. The 140G-MTI4-D80 weighs 33.29 pounds, allowing for practical installation without excessive strain.

In terms of longevity, the circuit breaker boasts a mechanical life of 120 operations per hour, coupled with an electrical life of 60 operations per hour, making it suitable for continuous operation in industrial settings. The 140G-MTI4-D80 is a dependable solution and integral for ensuring the stable operation of electrical infrastructures.

Revision Part #Also known as
140G-MTI4-D80 Ser A140G-MTI4-D80/A, Series A, Rev A
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