E3050 50 Amp Circuit Breaker

E3050 50 Amp Circuit Breaker

When a three-phase electrical system needs a replacement breaker, the goal is usually straightforward: find a unit that matches the original specifications and keeps the equipment operating as intended. The E3050 50 Amp 3-Pole Circuit Breaker is designed for exactly that purpose. This Type E thermal-magnetic circuit breaker is commonly used in commercial and industrial electrical systems that require a 50 Amp rating, 3-pole protection, and 240VAC operation.

Inside the E3050, a thermal-magnetic trip mechanism provides protection against the two most common electrical fault conditions. The thermal element responds to prolonged overloads by reacting to heat buildup over time, while the magnetic element responds almost instantly to short-circuit conditions. This combination has long been used in three-phase distribution systems because it offers dependable protection while maintaining the original operating characteristics of the equipment.

Whether you're servicing a manufacturing facility, maintaining commercial equipment, or replacing a failed breaker in a legacy panel, the E3050 provides a straightforward solution designed to match existing system requirements. For many electricians and maintenance professionals, it's the kind of replacement part that helps keep downtime to a minimum while preserving the original electrical design.

Key Features and Benefits

• 50 Amp current rating for three-phase circuit protection
• 3-pole configuration for 240VAC electrical systems
• Type E thermal-magnetic circuit breaker
• Thermal and magnetic trip response for overload and short-circuit protection
• Non-interchangeable trip unit maintains original protection characteristics
• 10kA interrupting capacity at 240VAC
• Rated for operation in ambient temperatures up to 40°C (104°F)
• Includes load terminals
• Designed for form, fit, and functional replacement applications
• Compact footprint for installation in compatible equipment
• Built to last for long-term maintenance and replacement needs
  

Technical Specifications

• Part Number: E3050
  
• Type: E
  
• Product Type: Thermal-Magnetic Circuit Breaker
  
• Amperage Rating: 50 Amps
  
• Poles: 3
  
• Voltage Rating: 240 VAC
  
• Interrupting Capacity: 10kA @ 240VAC
  
• Trip Unit: Non-Interchangeable
  
• Temperature Rating: 40°C (104°F)
  
• Included Terminals: Load Terminals
  
• Width: 4.13 in
  
• Height: 6.00 in
  
• Depth: 3.31 in
  
• Dimensions: 4.13"W x 6.00"H x 3.31"D
  
• Approximate Shipping Weight: 4.50 lbs
  

Material Compliance and Certifications

The E3050 should be installed and serviced by qualified electrical personnel in accordance with applicable electrical codes, safety practices, and equipment manufacturer requirements. Before installation, verify compatibility with the intended system, including voltage, amperage, interrupting rating, pole configuration, and physical dimensions. No additional certification or compliance information was provided within the available specifications.

Where It Works Best

The E3050 is commonly used in:

• Commercial electrical distribution systems
• Industrial facilities and manufacturing operations
• Three-phase motor and equipment circuits
• Maintenance and repair projects
• Existing equipment requiring a Type E breaker replacement
• 240VAC three-phase electrical systems
• Legacy panels where matching original specifications is important
• Applications requiring a 50 Amp 3-pole circuit breaker
• Facilities seeking form, fit, and functional replacement components