ROCKWELLMotor protection circuit breaker

140G-NS5H3-E12-MD-RD-UD

Name: 140G-NS5H3-E12-MD-RD-UD
Brand: ROCKWELL
SKU: 140G-NS5H3-E12-MD-RD-UD

The Allen Bradley 140G-NS5H3-E12-MD-RD-UD molded case circuit breaker is designed to provide quick and reliable protection for industrial circuits. With a rating of 65 kA at 480V, it ensures efficient fault clearing and enhanced protection against overloads and short circuits. This versatile breaker is available in various frame sizes and configurations, making it suitable for a wide range of applications.

Product Model140G-NS5H3-E12-MD-RD-UD

Product ID106345

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Quick Fault ClearingThe Allen Bradley 140G-NS5H3-E12-MD-RD-UD is rated to open in less than half a cycle under fault conditions, limiting let-through energy and providing enhanced protection for downstream components.
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2. Versatile ConfigurationAvailable in various frame sizes (H-Frame, J-Frame, K-Frame) and configurations, this breaker can be tailored to fit different panel configurations and applications.
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3. Wide Range of AccessoriesThe 140G series shares a wide range of available accessories, including electronic trip units from 25 to 3000 A, making it easy to integrate into various industrial settings.
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4. Enhanced ProtectionDesigned to handle short circuit current ratings (SCCR) coordination with Allen-Bradley contactors, overload relays, and motor starters, ensuring comprehensive protection for your industrial circuits.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Current

1200 A

Repairable

NOT_REPAIRABLE

Preferred Availability

false

Quick Turnaround

false

Dimension Height

0.0

Lead Time