ED3125LA06S02 - 125Amp Circuit Breaker

ED3125LA06S02 - 125 Amp Circuit Breaker

The Eaton ED3125LA06S02 Series C Molded Case Circuit Breaker is designed to provide dependable circuit protection for commercial and industrial electrical distribution systems. Built on Eaton’s proven ED-frame platform, this three-pole breaker delivers a 125-amp rating and supports 240 VAC and 125 VDC applications, making it well-suited for facilities that require consistent, high-capacity protection. Its 65 kAIC interrupting capacity at 240 VAC helps safeguard equipment and wiring from potentially damaging overcurrent and short-circuit conditions. The breaker includes a T186 trip unit, along with a rear-mounted auxiliary switch (1A-1B) with right pigtail and a rear-mounted 12–24 VAC/DC shunt trip with left pigtail, allowing remote tripping and status monitoring for enhanced system control. With line and load terminals and a compact footprint, the ED3125LA06S02 integrates easily into many distribution setups while maintaining reliable performance for demanding electrical environments.

Key Features and Benefits

• 125 Amp Circuit Protection: Designed to protect electrical systems from overloads and short circuits in demanding commercial and industrial applications.
• High Interrupting Capacity: Rated 65 kAIC at 240 VAC, helping ensure dependable protection during fault conditions.
• Three-Pole Configuration: Suitable for three-phase electrical systems commonly found in industrial and facility power distribution.
• Integrated Shunt Trip: 12–24 VAC/DC rear-mounted shunt trip allows remote tripping capability for safety and control integration.
• Auxiliary Switch Included: 1A-1B rear auxiliary switch with right pigtail enables remote status indication or signaling to control systems.
• Series C Reliability: Part of Eaton’s trusted Series C line, known for dependable molded case circuit breaker performance.
• Compact ED Frame Design: Efficient footprint helps simplify installation in compatible panels and electrical assemblies.
  

Technical Specifications

• Catalog Number: ED3125LA06S02
  
• UPC: 786679116937
  
• Product Type: Molded Case Circuit Breaker
  
• Series: Eaton Series C
  
• Circuit Breaker Type: ED
  
• Frame Type: Complete Breaker (F Frame)
  
• Amperage Rating: 125 A
  
• Voltage Rating: 240 VAC, 125 VDC
  
• Frequency Rating: 50/60 Hz
  
• Interrupt Rating: 65 kAIC at 240 VAC
  
• Trip Type: T186
  
• Number of Poles: Three-Pole
  
• Shunt Trip: 12–24 VAC/DC, rear-mounted with left pigtail
  
• Auxiliary Switch: 1A-1B rear-mounted with right pigtail
  
• Terminals: Line and Load
  
• Product Dimensions:
  • Length/Depth: 3.38 in
  • Height: 6 in
  • Width: 4.13 in
• Product Weight: 4.5 lb
  

Material Compliance and Certifications

• UL Listed: meeting recognized safety and performance standards for electrical protection devices used in North American installations.
  

Where It Works Best

• The ED3125LA06S02 molded case circuit breaker is ideal for commercial buildings, manufacturing facilities, power distribution panels, and industrial equipment installations that require reliable three-phase circuit protection. Its built-in shunt trip and auxiliary switch make it especially useful in systems that need remote shutdown capability, monitoring, or integration with control and safety systems. Electrical contractors, maintenance teams, and facility managers rely on this type of breaker to help keep critical power distribution systems operating safely and efficiently.