EB2050L - 50Amp Circuit Breaker

EB2050L - 50 Amp Circuit Breaker

The EB2050L circuit breaker is a 2-pole, 50-amp thermal-magnetic breaker designed for use in legacy electrical distribution systems, particularly panels manufactured prior to 1989 that require the EB frame configuration. Built to provide dependable overcurrent and short-circuit protection in 120/240VAC applications, this breaker features a non-interchangeable trip unit calibrated to operate within a 40°C rated environment. The thermal-magnetic design combines time-delay protection for overload conditions with instantaneous response for short circuits, helping maintain safe circuit operation in residential, commercial, and light industrial electrical systems. Supplied with both line and load terminals, the EB2050L allows straightforward installation when replacing an existing breaker of the same type. With its defined frame compatibility and established electrical ratings, this breaker serves as a form-fit-function replacement solution for maintaining older panelboards that rely on EB-series protection devices. Built with durable internal components and designed to meet the electrical demands typical of its class, the EB2050L provides the protection expected from equipment engineered for long service life.

Key Features and Benefits

• 2-Pole Configuration – Provides protection for two connected circuits or 240-volt applications.
• 50 Amp Rating – Suitable for branch circuits requiring 50A overcurrent protection.
• Thermal-Magnetic Trip Mechanism – Combines delayed overload protection with instantaneous short-circuit response.
• 10kA Interrupting Capacity – Rated to safely interrupt fault currents up to 10,000 amperes at 120/240VAC.
• Non-Interchangeable Trip Unit – Factory-calibrated trip mechanism designed specifically for the EB frame.
• Includes Line and Load Terminals – Supports proper conductor termination during installation or replacement.
• Designed for Legacy Panels – Intended for use in electrical panels manufactured prior to 1989 that require EB-series breakers.
• Built to Last – Constructed with durable components intended for long-term service in compatible electrical systems.

Technical Specifications

• Part Number: EB2050L
  
• Poles: 2
  
• Amperage Rating: 50 Amps
  
• Voltage Rating: 120/240 VAC
  
• Interrupting Capacity: 10k A.I.C.
  
• Frame Type: EB
  
• Trip Type: Thermal-Magnetic, Non-Interchangeable
  
• Temperature Rating: 40°C
  
• Terminals: Line and Load Included
  
• Ship Weight: 2.75 lbs
  
• Shipping Dimensions (Height): 6.0 in
  

Material Compliance and Certifications

• The EB2050L circuit breaker is manufactured using electrical-grade materials commonly utilized in molded-case circuit protection devices. Components are designed to align with established electrical safety and performance expectations for breakers used in compatible distribution equipment. Installation should always follow applicable electrical codes and manufacturer panel compatibility requirements.

Where It Works Best

• Replacement of existing EB frame circuit breakers in legacy electrical panels
• Maintenance of panelboards manufactured prior to 1989 requiring EB-series breakers
• Residential and light commercial electrical systems operating at 120/240VAC
• Branch circuits requiring 50-amp, 2-pole overcurrent protection
• Electrical service environments where thermal-magnetic protection is specified

This breaker is intended specifically for systems designed around EB-frame devices, helping maintain proper fit, electrical ratings, and functional protection within existing installations.