ED3125L - 125Amp Circuit Breaker

ED3125L - 125 Amp Circuit Breaker

The ED3125L molded case circuit breaker is designed to provide dependable circuit protection for commercial and industrial electrical systems where consistent performance and safety are essential. Built as part of the Series C ED frame family, this three-pole, 125-amp breaker helps safeguard electrical distribution equipment from overloads and short circuits while maintaining reliable system continuity. With a 65 kA interrupting rating at 240 VAC, the ED3125L is engineered to respond quickly to fault conditions, helping reduce the risk of equipment damage and costly downtime. Its compact molded case design allows it to fit efficiently within compatible panelboards and switchgear assemblies, making it a practical choice for facility upgrades, maintenance replacements, or new installations that require proven circuit protection.

This breaker features line and load terminals for straightforward wiring and a T186 trip unit designed to provide dependable thermal-magnetic protection across a wide range of applications. Rated for 240 VAC and 125 VDC operation and supporting 50/60 Hz systems, the ED3125L offers versatility for many standard power distribution environments. With a durable molded construction and compliance with established safety standards, it delivers consistent electrical protection while meeting modern expectations for quality and reliability in power management systems.

Key Features and Benefits

• 125 Amp Current Rating – Provides reliable protection for medium-capacity electrical distribution circuits.
• Three-Pole Configuration – Designed to protect three-phase electrical systems commonly used in commercial and industrial facilities.
• High Interrupting Capacity – Rated 65 kAIC at 240 VAC to safely interrupt high fault currents.
• Thermal-Magnetic Trip (T186) – Offers responsive protection against both overloads and short circuits.
• Series C ED Frame Design – Engineered for compatibility with Eaton Series C power distribution equipment.
• Compact Molded Case Construction – Helps maximize space efficiency in panels and switchgear installations.
• Line and Load Terminals – Simplifies installation and ensures secure electrical connections.
  

Technical Specifications

• Catalog Number: ED3125L
  
• UPC: 786679454602
  
• Product Type: Molded Case Circuit Breaker
  
• Series: Series C
  
• Frame Type: ED / F Frame
  
• Amperage Rating: 125 A
  
• Number of Poles: 3
  
• Voltage Rating: 240 VAC, 125 VDC
  
• Frequency Rating: 50/60 Hz
  
• Trip Type: T186
  
• Interrupt Rating: 65 kAIC at 240 VAC
  
• Terminals: Line and Load
  
• Product Dimensions:
  • Length/Depth: 3.38 in
  • Height: 6 in
  • Width: 4.13 in
• Product Weight: 4.45 lb
  

Material Compliance and Certifications

• UL Listed – Tested and certified to meet recognized safety standards for molded case circuit breakers in North American electrical systems.
• Manufactured to meet strict electrical performance and safety requirements expected in professional power distribution equipment.
  

Where It Works Best

• The ED3125L 125A circuit breaker is well-suited for commercial buildings, industrial facilities, manufacturing plants, and institutional electrical systems that rely on dependable three-phase power distribution. It is commonly used in panelboards, switchboards, and other electrical distribution equipment where consistent circuit protection is required. This breaker is also a practical solution for maintenance replacements, system expansions, and electrical upgrades where a Series C ED frame breaker with high interrupting capacity is needed to maintain safe and efficient operation.