CAH3125X - 125Amp Circuit Breaker

CAH3125X - 125Amp Circuit Breaker

When a breaker needs to be replaced, most people aren't looking for something different—they're looking for something that matches. The CAH3125X 125 Amp 3-Pole Molded Case Circuit Breaker is commonly used in commercial and industrial electrical systems where maintaining the original equipment configuration is important. If you're working with an existing CAH-frame installation, matching the breaker's ratings and physical footprint can help make the replacement process much smoother.

In many facilities, electrical distribution equipment stays in service for years. When a breaker reaches the point where it needs attention, finding a compatible replacement can save time and help avoid unnecessary changes to the system. Built to last and intended for form, fit, and functional replacement, the CAH3125X helps support the continued operation of compatible power distribution equipment.

Key Features and Benefits

• 125 amp current rating
• 3-pole molded case circuit breaker
• 22kA interrupting capacity at 240VAC
• Includes load-side lugs
• Non-interchangeable trip unit
• Rated for operation in 40°C ambient environments
• Designed for form, fit, and functional replacement applications
• Compact dimensions for compatibility with existing equipment
• Commonly used in commercial and industrial electrical systems
• Helps protect circuits from overloads and short-circuit conditions
• Built to last in demanding electrical environments
  

Technical Specifications

• Part Number: CAH3125X
  
• Type: CAH
  
• Circuit Breaker Type: Molded Case Circuit Breaker
  
• Poles: 3
  
• Amperage: 125A
  
• Voltage Rating: 240VAC
  
• A.I.C. Rating: 22kA @ 240VAC
  
• Trip Unit: Non-Interchangeable
  
• Lugs: Includes Load-Side Lugs
  
• Ambient Temperature Rating: 40°C
  
• Approximate Shipping Weight: 5.75 lbs
  
• Dimensions: 4.13"W x 6.50"H x 2.69"D
  

Material Compliance and Certifications

The CAH3125X is intended for use in electrical distribution systems requiring a breaker that matches the characteristics of the CAH frame design. Compatibility with existing equipment, installation requirements, and applicable electrical codes should always be verified before installation. Installation and maintenance should be performed by qualified personnel in accordance with local regulations and industry standards.

Where It Works Best

The CAH3125X is commonly found in commercial buildings, manufacturing facilities, industrial plants, and other power distribution environments requiring a 125 amp 3-pole molded case circuit breaker. It is particularly useful for maintenance, repair, and replacement projects where matching the original breaker ratings, dimensions, and connection configuration is important.