Free UPS Ground on All Orders!
Request a
Fast Quote
Account
Cart
Quote
+1 (919) 205-4392
Allen Bradley 140G MCB 140G-NS0H3-E12

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

140G-NS0H3-E12

|
Need a Specific Revision?

The 140G-NS0H3-E12 is a molded case circuit breaker suitable for high-capacity applications. Rated for 1200 Amps, this unit tackles demanding electrical tasks efficiently, featuring an interrupting rating of 100 kA to handle fault currents reliably.

In Stock
Ships from Raleigh, NC
2 Year DO Supply Warranty
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-NS0H3-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-NS0H3-E12
Weight32.00 lbs (14.51 kg)
FrameNS
Amps1200
Interrupting Rating100 kA
Protection TypeElectronic LSI
Current Range1200 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
View as PDF
Request a Repair

The Allen-Bradley 140G-NS0H3-E12 molded case circuit breaker is engineered for reliable performance in heavy-duty electrical applications. With a frame size designated as NS, this breaker manages a substantial maximum current rating of 1200 Amps. Its interrupting capacity reaches up to 100 kA, ensuring effective handling of fault conditions.

Equipped with electronic LSI protection, the 140G-NS0H3-E12 is designed to provide both overload and short-circuit protection. This makes it particularly suitable for critical industrial environments where reliable circuit interruption is necessary. The breaker is rated for a maximum insulation voltage of 1000 volts, indicating its capability to perform in high-voltage applications. Furthermore, it supports impulse withstand voltages up to 8 kV, making it resilient against transient surges.

The unit's construction results in a total weight of 27.56 pounds, facilitating straightforward installation and integration within existing systems. It is specified for a mechanical lifespan of 60 operations per hour, matched by its electrical life, ensuring dependable operation over prolonged use. Overall, the 140G-NS0H3-E12 is a robust solution for circuit protection, making it a valuable component in industrial power distribution networks.

Revision Part #Also known as
140G-NS0H3-E12 Ser A140G-NS0H3-E12/A, Series A, Rev A
Don't see your particular revision? Contact us now.