CSR2150N - 150Amp Circuit Breaker

CSR2150N - 150Amp Circuit Breaker

The Eaton CSR2150N Main Circuit Breaker is a dependable solution for providing primary overcurrent protection and service disconnect functionality in residential and light commercial electrical systems. Designed for 120/240-volt applications and rated at 150 amps, this two-pole main breaker helps safeguard electrical equipment and wiring from overloads and short-circuit conditions while delivering the performance expected from Eaton electrical products. Engineered for use with Type ECC Unit Enclosures, the CSR2150N offers a practical replacement or upgrade option for compatible installations where reliable power distribution and code-compliant protection are essential.

Built with a 25 kAIC interrupting rating, the Eaton CSR2150N is capable of handling high fault-current conditions, helping protect connected electrical systems when it matters most. The breaker accommodates a wide conductor range from #2 AWG to 300 kcmil copper or aluminum wire, providing flexibility for various installation requirements. Whether you're using it in a service upgrade, panel replacement project, or new construction application, this UL-listed main breaker delivers the protection, compatibility, and long-term reliability electricians and facility managers depend on.

Key Features and Benefits

• 150-amp main circuit breaker for residential and light commercial applications
• Two-pole configuration designed for 120/240V electrical systems
• Serves as the primary disconnect and overcurrent protection device
• 25 kAIC interrupting rating for protection against high fault-current events
• Compatible with Eaton Type ECC Unit Enclosures
• Accepts #2 AWG to 300 kcmil copper or aluminum conductors
• Ideal for service entrance equipment, panel upgrades, and replacement projects
• UL 489 Listed for safety and performance compliance
• Limited lifetime warranty from Eaton
• Designed for dependable long-term operation in compatible electrical systems
  

Technical Specifications

• Manufacturer: Eaton
  
• Catalog Number: CSR2150N
  
• UPC: 782113098449
  
• Product Type: Main Circuit Breaker
  
• Circuit Breaker Frame Type: CSR
  
• Main Circuit Breaker Type: CH
  
• Amperage Rating: 150 A
  
• Voltage Rating: 120/240 V AC
  
• Number of Poles: 2
  
• Interrupt Rating: 25 kAIC
  
• Wire Size Range: #2 AWG – 300 kcmil Cu/Al
  
• Used With: Type ECC Unit Enclosures
  
• Dimensions:
  • Length: 5.3 in.
  • Width: 4.2 in.
  • Height: 3.52 in.
• Weight: 2.5 lb
  
• Warranty: Limited Lifetime
  
• UPC: 782113098449
  

Material Compliance and Certifications

The Eaton CSR2150N is UL 489 Listed, confirming compliance with recognized industry standards for molded-case circuit breakers used in electrical distribution systems. This certification helps ensure the breaker meets established requirements for performance, safety, and overcurrent protection. Manufactured to Eaton's quality standards, the CSR2150N is backed by a limited lifetime warranty for added confidence in long-term operation.

Where It Works Best

• Residential service entrance equipment
• Single-family homes and residential electrical upgrades
• Multi-family housing and apartment complexes
• Light commercial buildings
• Electrical distribution system modernization projects
• Main breaker replacement applications
• New construction electrical installations
• Compatible Eaton Type ECC Unit Enclosures
• Facilities requiring a 150-amp main disconnect solution