TEYL3050B - 50Amp Circuit Breaker

TEYL3050B - 50 Amp Circuit Breaker

The TEYL3050B is a 50 Amp, 3-pole bolt-on thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection in your commercial and industrial electrical distribution systems. Built for 480Y/277V Class applications, this breaker features a non-interchangeable trip that maintains a fixed trip rating, helping you to preserve the integrity of your electrical protection system. Its bolt-on mounting design creates a secure mechanical and electrical connection, making it well-suited for panelboards and distribution equipment where consistent performance is essential. With high interrupting ratings of 65kA at 480VAC and 100kA at 240VAC, the TEYL3050B is an excellent choice for demanding environments where reliable circuit protection and equipment safety are priorities.

Key Features and Benefits

• 50 Amp Current Rating: 50 Amp current rating for reliable branch circuit protection.
• 3-Pole Configuration: 3-pole configuration for protecting three-phase electrical systems.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism provides protection against both overloads and short circuits.
• Bolt-On Mounting: Bolt-on mounting offers a secure installation and dependable electrical connection.
• Non-Interchangeable Trip: Non-interchangeable trip helps maintain the specified protection settings.
• High Interrupting Capacity: High interrupting capacity rated at 65kA @ 480VAC and 100kA @ 240VAC.
• 480Y/277V Class Systems: Designed for 480Y/277V Class electrical systems.
• Commercial, Industrial, and Institutional Applications: Suitable for commercial, industrial, and institutional power distribution applications.
  

Technical Specifications

• Part Number: TEYL3050B
  
• Type: TEYL
  
• Current Rating: 50 Amps
  
• Number of Poles: 3
  
• Trip Type: Thermal Magnetic
  
• Mounting Style: Bolt-On
  
• Trip Configuration: Non-Interchangeable Trip
  
• Voltage Class: 480Y/277V Class
  
• Interrupting Rating:
  • 65kA @ 480VAC
  • 100kA @ 240VAC
• Dimensions:
  • Height: 5.25 in.
  • Width: 3.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Standards: The TEYL3050B is manufactured for use in commercial and industrial electrical distribution systems and is designed to meet applicable industry manufacturing and performance standards for molded case circuit breakers.
• Installation Guidance: Always verify compatibility with your electrical equipment and confirm that the installation complies with all applicable local electrical codes and project requirements.
  

Where It Works Best

• The TEYL3050B is an excellent solution for protecting three-phase branch circuits in commercial buildings, industrial facilities, manufacturing operations, office complexes, educational institutions, and other facilities operating on 480Y/277V electrical systems. Its high interrupting capacity makes it particularly well suited for installations where available fault current is elevated and dependable circuit protection is critical for maintaining system reliability and minimizing equipment downtime.