140G-R12S3-E25

Overview of Allen Bradley 140G-R12S3-E25

The Allen Bradley 140G-R12S3-E25 is a high-capacity molded case switch, engineered for use in demanding industrial power distribution and protection applications. As part of the 140G series, it features a 2500 A rated current and is constructed with the robust R frame design, offering three-pole protection. With its high breaking capacity, the 140G-R12S3-E25 delivers reliable switching and circuit isolation in environments where safety, uptime, and compliance with international standards are required. This model is UL listed and crafted for compatibility across global installations. Typical use cases include motor control centers, switchgear, and main distribution panels in manufacturing plants, processing facilities, and large infrastructure projects.

Key Features of Allen Bradley 140G-R12S3-E25

• 3-pole molded case switch (isolator) for power distribution and isolation
• Rated continuous current of 2500 A for high-load applications
• R frame construction for durability and high breaking capacity
• Breaking capacity rated at 80 kA at 415 V (up to 125 kA depending on voltage)
• Non-adjustable switching; fixed tripping characteristics
• Conforms to UL Listed safety certifications for industrial use
• Door interlock and standard accessory compatibility for enhanced safety

Technical Specs of 140G-R12S3-E25

• Rated Current: 2500 A
• Poles: 3
• Frame Size: R frame
• Switch Type: Molded Case Switch (Isolator)
• Interrupt Rating: 80 kA at 415 V (can reach up to 125 kA depending on model variant)
• Mounting: Panel mount with door interlock
• Standards: UL Listed
• Catalog Number: 140G-R12S3-E25

Applications / Use Case

The Allen Bradley 140G-R12S3-E25 excels in large-scale electrical distribution systems requiring safe, reliable circuit switching or isolation. Its 2500 A capacity and high withstand rating make it suited for motor control centers, main switchboards, and industrial panels deployed in automotive, petrochemical, metals, data center, and utility installations. As an isolator-type molded case switch, it is frequently installed as the main incoming device or sectionalizer, providing essential safety during maintenance or in the event of a fault. Facilities value its straightforward integration with standard accessories and door interlock function, ensuring compliance with operational safety procedures and electrical codes in critical environments.

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