140G-N2

Overview of Allen Bradley 140G-N2

The Allen Bradley 140G-N2 is an internal operating handle assembly developed for Bulletin 140G molded case circuit breakers. This component is specifically engineered to enable safe local operation and maintenance of MCCBs in industrial panels. Compatible with G, H, I, and J frame circuit breakers, the 140G-N2 supports compliance with NFPA 79 requirements by allowing personnel to operate a circuit breaker—even when the panel door is open. This feature is essential for applications where enhanced safety, code compliance, and operational flexibility are needed. The handle’s robust design and included 21-inch shaft ensure reliable remote actuation for breakers installed in deep enclosures, supporting smooth integration into new systems or retrofits for existing equipment. Allen Bradley builds these accessories to withstand harsh factory conditions, providing confidence in demanding process, utility, or facility environments.

Key Features of Allen Bradley 140G-N2

• NFPA 79 compliant internal handle assembly, offering safe energization and de-energization with the panel door open
• Compatible with 140G G, H, I, and J frame molded case circuit breakers
• Includes a 21-inch actuating shaft for reliable operation in panels with increased installation depth
• High-visibility status indication and positive handle actuation
• Engineered for both new installations and retrofit upgrades in industrial MCC panel assemblies

Technical Specs of 140G-N2

• Product Type: Internal operating handle with shaft
• Applicable Frames: G, H, I, J frames of Bulletin 140G MCCBs
• Shaft Length: 21 inches (533 mm)
• Compliance: NFPA 79 (Electrical Standard for Industrial Machinery)
• Installation: For use inside control panels, allows switching with open door

Applications / Use Case

Allen Bradley 140G-N2 internal operating handles are routinely deployed in control systems that must comply with North American safety codes, especially in settings where technicians need to isolate circuits while enclosures remain accessible. Applications include motor control centers, process equipment panels, machine tools, and OEM equipment where service access with energized equipment is required. The ability to operate a breaker from inside the panel meets NFPA 79 Section 9.2.3, and helps reduce downtime during maintenance or troubleshooting. Facilities with frequent lockout/tagout (LOTO) demands, or where enhanced operator safety is a central concern, benefit from integrating the 140G-N2 handle. Machine builders, system integrators, and end users in automotive, food and beverage, packaging, and heavy industries all choose this accessory to meet both regulatory standards and real-world operational needs.

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