CAH3125Y - 125Amp Circuit Breaker

CAH3125Y - 125Amp Circuit Breaker

When a facility depends on existing electrical equipment, finding the right replacement breaker isn't just about matching amperage—it's about finding a unit that fits the application and helps keep operations moving. The CAH3125Y 125 Amp 3-Pole Molded Case Circuit Breaker is designed for electrical distribution systems that require a 125A, 3-pole breaker with a 22kA interrupting rating at 240VAC. Whether you're performing routine maintenance, replacing a failed breaker, or supporting an ongoing retrofit project, this breaker provides the form, fit, and functional compatibility needed for many existing installations.

Built with a non-interchangeable trip unit and supplied with line-side lugs, the CAH3125Y is intended for applications where maintaining the original system configuration is important.

Key Features and Benefits

• 125 amp current rating for commercial and industrial power distribution applications
• 3-pole configuration for three-phase electrical systems
• 22kA interrupting capacity at 240VAC
• Includes line-side lugs for installation convenience
• Non-interchangeable trip unit helps maintain original equipment configuration
• Designed for 40°C ambient operating environments
  

Technical Specifications

• Part Number: CAH3125Y
  
• Type: CAH
  
• Circuit Breaker Style: Molded Case Circuit Breaker
  
• Poles: 3
  
• Amperage: 125A
  
• Voltage Rating: 240VAC
  
• Interrupting Rating: 22kA @ 240VAC
  
• Trip Unit: Non-Interchangeable
  
• Included Accessories: Line-Side Lugs
  
• Ambient Temperature Rating: 40°C
  
• Dimensions: 4.13"W x 6.50"H x 2.69"D
  
• Approximate Shipping Weight: 5.75 lbs
  

Material Compliance and Certifications

The CAH3125Y is intended for use in electrical systems requiring a breaker with matching ratings and configuration. Installation and maintenance should be performed by qualified personnel and in accordance with applicable electrical codes, manufacturer requirements, and local regulations.

Where It Works Best

The CAH3125Y is commonly found in commercial buildings, manufacturing facilities, warehouses, institutional properties, and industrial environments where reliable circuit protection is required.