Free UPS Ground on All Orders!
Request a
Fast Quote
Account
Cart
Quote
+1 (919) 205-4392
Allen Bradley 140G MCB 140G-N5H3-E12

Product image is representative; revision or series may vary. Contact us to request a specific version.

140G-N5H3-E12

|
Need a Specific Revision?

The 140G-N5H3-E12 from Allen-Bradley is engineered as a complex molded case circuit breaker for heavy-duty applications. It supports a robust current of 1200 Amps and features an interrupting capacity of 50 kA, ensuring effective management of electrical faults.

Call for an immediate quote
2 Year DO Supply Warranty
Available
Ships from Raleigh, NC
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
Learn more
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-N5H3-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N5H3-E12
Weight32.00 lbs (14.51 kg)
FrameN
Amps1200
Interrupting Rating50 kA
Protection TypeElectronic LSI
Current Range1200 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
View as PDF
Request a Repair

The 140G-N5H3-E12, part of Allen-Bradley's 140G series, is a molded case circuit breaker that plays a crucial role in circuit protection. Rated for a maximum of 1200 Amps, it supports substantial electrical loads effectively. This circuit breaker features a frame type classified as N, built to withstand high currents while offering reliability. The interrupting rating stands impressively at 50 kA, which safeguards connected equipment from severe fault conditions.

Equipped with electronic LSI protection, this device provides comprehensive monitoring and control over electrical systems, contributing to its overall effectiveness in mitigating risks. With a rated insulation voltage of 1000 volts, it ensures secure operation in high-voltage applications. It can also endure impulse withstand voltages up to 8 kV, which adds to its resilience in the face of electrical transients.

The breaker weighs 21.39 pounds, striking a balance between durability and manageable installation. Both its mechanical and electrical lifetime are rated at 60 operations per hour, meaning it is designed to perform reliably over an extended period of usage. Overall, the 140G-N5H3-E12 is an essential component for any high-capacity electrical system, ensuring safety and operational efficiency.

Revision Part #Also known as
140G-N5H3-E12 Ser A140G-N5H3-E12/A, Series A, Rev A
Don't see your particular revision? Contact us now.