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 our products come with DO Supply's 2-year warranty.

Learn more

140G-N0I4-E12-Z1

Need a Specific Revision?

The 140G-N0I4-E12-Z1 model is a high-capacity molded case circuit breaker from Allen-Bradley. This breaker operates at a maximum of 1200 Amps and includes an interrupting rating of 100 kA for reliable fault protection.

Call for an immediate quote

2 Year DO Supply Warranty

Available

Ships from Raleigh, NC

Learn more

Warranty

We sell industrial automation parts backed by our 2-year DO Supply Warranty.
Shipping

Same-day domestic and expedited international shipping with UPS, FedEx, DHL, and more.
Payment Methods

AMEX, Visa, MasterCard, Discover, wire transfer, and more, plus flexible payment plans.
Repairs & Exchanges

Repair and exchange services for all existing automation products.
Reseller Options

Drop shipping, blind shipping, and account shipping with no extra fees.

Technical specifications for 140G-N0I4-E12-Z1

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	140G-N0I4-E12-Z1
Product Type	Molded Case Circuit Breaker
Frame	N
Amps	1200
Interrupting Rating	100 kA
Protection Type	Electronic LSIG
Poles	4
Current Range	1200 A
Rated Insulation Voltage	1000V
Rated Impulse Withstand Voltage	8 kV
Weight	27.56 lb
Mechanical Life	60 Operations/hr.
Electrical Life	60 Operations/hr.

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.

View as PDF

Request a Repair

Designed for heavy-duty applications, the Allen-Bradley 140G-N0I4-E12-Z1 is a molded case circuit breaker that provides essential power protection. It has a robust maximum rating of 1200 Amps, making it suitable for significant electrical loads. This model is equipped with a reliable interrupting capacity of 100 kA, effectively isolating circuits during fault conditions.

The N frame configuration accommodates up to four poles, enhancing flexibility for diverse multi-phase setups. It incorporates advanced electronic LSIG protection capabilities, which offer precision in monitoring and responding to electrical anomalies. Rated for operation at a high insulation voltage of 1000 volts, this breaker can handle substantial power demands while securing the integrity of the electrical system.

Additionally, the device can endure impulse withstand voltages of 8 kV, contributing to its durability against sudden electrical surges. Weighing in at 27.56 pounds, it is constructed for easy handling during installation. The 140G-N0I4-E12-Z1 ensures durability with a mechanical life of 60 operations per hour, paralleled by an electrical life rated at 60 operations per hour. This reliability makes the product a fundamental choice for industrial settings requiring consistent and high-performance circuit protection.