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Allen Bradley 140G MCB 140G-M5H4-D60

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140G-M5H4-D60

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Operating at a high capacity, the 140G-M5H4-D60 molded case circuit breaker from Allen-Bradley is built for reliability under demanding conditions. It supports a maximum of 800 Amps and features a rated insulation voltage of 1000 volts. With an interrupting rating of 50 kA and electronic LSI protection, it ensures efficient operation and safety across numerous 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-M5H4-D60

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5H4-D60
Weight10.00 lbs (4.54 kg)
FrameM
Amps800
Interrupting Rating50 kA
Protection TypeElectronic LSI
Poles4
Current Range600 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-M5H4-D60 from Allen-Bradley, part of the Rockwell Automation lineup, is engineered for robust circuit protection. This molded case circuit breaker operates at a maximum capacity of 800 Amps, suitable for high-demand environments. Its M frame design allows it to integrate seamlessly into existing setups.

It is specifically rated for an insulation voltage reaching 1000 volts, providing ample capabilities for various industrial applications. This model features an interrupting rating of 50 kA, ensuring it can effectively manage fault conditions, minimizing the risk to downstream equipment.

Equipped with four poles, the 140G-M5H4-D60 has an electronic LSI protection type, which helps in optimizing performance and ensuring accurate overload and short-circuit protection.

This unit supports a current range of up to 600 Amps and has a rated impulse withstand voltage of 8 kV, which provides resilience against transient surges. Weighing 33.29 pounds, the breaker is designed to facilitate mechanical life rated at 120 operations per hour and an electrical life rated at 60 operations per hour, highlighting its suitability for ongoing use in challenging environments.

Revision Part #Also known as
140G-M5H4-D60 Ser A140G-M5H4-D60/A, Series A, Rev A
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