ET4031 - 15Amp Circuit Breaker

ET4031 - 15 Amp Circuit Breaker

When you’re maintaining or restoring an existing electrical system, you don’t need guesswork—you need a circuit breaker that fits right, installs cleanly, and performs exactly as expected. The ET4031 molded-case circuit breaker is designed for dependable circuit protection in legacy and existing distribution systems. With a 15-amp rating, 3-pole configuration, and a 14kA interrupting capacity at 480VAC, it provides the protection required for commercial and industrial applications where consistency and compatibility matter. Built for use in 40°C environments, this F-frame breaker is engineered to handle standard operating conditions without complication. Its molded case construction supports long-term use, providing a component built to last while maintaining proper electrical protection. Whether you’re replacing a worn unit or matching an existing panel configuration, the ET4031 offers the form, fit, and function needed to keep systems operating safely and efficiently.

Key Features and Benefits

• 15 Amp rating suitable for controlled load protection
• 3-pole design for three-phase electrical systems
• 14kA interrupting capacity at 480VAC for reliable fault protection
• F-frame construction ensures compatibility with matching panel systems
• Designed for 40°C ambient conditions
• Molded case housing supports durability and long service life
• Straightforward installation for maintenance and replacement applications

Technical Specifications

• Part Number: ET4031
  
• Amperes: 15A
  
• Poles: 3
  
• Voltage Rating: 480VAC
  
• Interrupting Capacity: 14kA @ 480VAC
  
• Frame Type: F
  
• Operating Temperature Rating: 40°C
  
• Breaker Type: Molded Case Circuit Breaker
  
• Shipping Weight: 4.5 lbs
  
• Dimensions (Height): 10.0 inches
  

Material Compliance and Certifications

• Industry Standards: The ET4031 circuit breaker is manufactured using industry-standard materials commonly used in molded-case circuit breakers. It is designed to meet the applicable electrical safety and performance requirements for its class and rating, supporting safe integration into compliant electrical systems when installed in accordance with code.

Where It Works Best

• This circuit breaker is well-suited for commercial and industrial electrical panels requiring a 3-pole, 15-amp solution. It’s commonly used in distribution systems, control panels, and equipment-protection circuits, where matching an existing F-frame breaker is essential. Ideal for maintenance teams, electricians, and facility managers looking for a reliable replacement that aligns with existing system specifications without modification.