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Allen Bradley 140G MCB 140G-M5H3-D63

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140G-M5H3-D63

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The 140G-M5H3-D63 from Allen-Bradley, part of the 140G series, functions as a dependable molded case circuit breaker. This unit is capable of managing a current of up to 800 Amps and has an interrupting capacity rated at 50 kA, making it suitable for substantial operational demands.

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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-M5H3-D63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M5H3-D63
Weight10.00 lbs (4.54 kg)
FrameM
Amps800
Interrupting Rating50 kA
Protection TypeElectronic LSI
Current Range630 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-M5H3-D63 molded case circuit breaker from Allen-Bradley is engineered to provide reliable protection in electrical systems. Rated for a maximum of 800 Amps, this device is essential for high-load applications. Its interrupting capability of 50 kA ensures effective fault management. The breaker is identified by an M frame, facilitating its integration into various setups.

This model incorporates electronic LSI protection, offering advanced monitoring and safety features. The operational current range is from 630 A, suitable for numerous applications. With a rated insulation voltage of 1000 V, the 140G-M5H3-D63 is qualified for high-voltage scenarios. The ability to withstand impulse voltages of 8 kV contributes to its resilience against transient conditions.

Designed for sturdiness, this circuit breaker weighs 26.68 pounds, maintaining a balance between durability and manageability. It provides a mechanical operation life rated at 120 operations per hour and can achieve an electrical life rated at 60 operations per hour. Effectively, the 140G-M5H3-D63 serves as a crucial component for ensuring safety and reliability in various electrical system configurations.

Revision Part #Also known as
140G-M5H3-D63 Ser A140G-M5H3-D63/A, Series A, Rev A
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