140G-K-RVM21R

Overview of Allen Bradley 140G-K-RVM21R

The Allen Bradley 140G-K-RVM21R is an industrial-grade rotary operator mechanism designed for use with K-frame Molded Case Circuit Breakers. Manufactured by Allen Bradley, a trusted name in electrical protection, this mechanism ensures safe and reliable external control of your circuit breaker assemblies in demanding environments. With an external red/yellow rotary handle and variable depth mechanism, it enables operators to safely actuate circuit breakers from outside a control panel, reducing exposure to live parts and improving overall plant safety. The 140G-K-RVM21R is constructed for durability, featuring robust materials and providing a dependable link to your breaker system even in heavy-duty applications. Engineered for compatibility with 400 Amp K-frame breakers, this device is critical for applications requiring clear, visible isolation and operator safety compliance in accordance with modern industrial standards.

Key Features of Allen Bradley 140G-K-RVM21R

• Variable depth rotary mechanism for flexible panel installation
• External red/yellow handle enhances safety and visibility
• Compatible with Allen Bradley K-frame (400 Amp) circuit breakers
• 21-inch shaft length accommodates deep enclosures
• Durable construction for industrial use
• Screw mounting for secure attachment
• IP56 degree of protection when properly installed

Technical Specs of 140G-K-RVM21R

• Brand: Allen Bradley
• Model: 140G-K-RVM21R
• Type: Rotary operator mechanism, variable depth
• Handle Color: Red/Yellow
• Shaft Length: 21 inches
• Compatible Frame: K-frame (400A circuit breaker)
• Mounting Method: Screw
• Degree of Protection: IP56 (front)
• Application: External actuation for molded case breakers

Applications / Use Case

The Allen Bradley 140G-K-RVM21R is ideal for use in industrial power distribution panels where safe, external circuit breaker operation is a priority. Typical applications include manufacturing plants, processing facilities, and energy sector installations, where quickly and visibly disconnecting power is critical for maintenance and emergency procedures. The variable depth rotary mechanism is useful in deep enclosure installations, providing installation flexibility without compromising operational integrity. This device is commonly specified for panels requiring lockable handles to meet safety isolation and LOTO (Lock-Out/Tag-Out) compliance standards. Electrical contractors and OEMs utilize the 140G-K-RVM21R in both retrofit projects and new installations to support operator safety and equipment protection. Its robust construction and visible actuation status make it a practical choice for environments where downtime and safety incidents must be minimized.

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