TEYD3050B - 50Amp Circuit Breaker

TEYD3050B - 50 Amp Circuit Breaker

The TEYD3050B is a 3-pole, 50-amp bolt-on thermal magnetic circuit breaker engineered to provide dependable overcurrent and short-circuit protection in your commercial and industrial electrical distribution systems. Designed for 480Y/277V Class applications, this breaker features a non-interchangeable trip unit that delivers a fixed level of protection to help you maintain consistent system performance. Its bolt-on mounting design creates a secure electrical connection, making it well suited for panelboards and distribution equipment where reliability is essential. With interrupting ratings of 25kA at 480VAC and 65kA at 240VAC, the TEYD3050B is built to help you safeguard electrical equipment from damaging fault conditions while supporting long-term system operation.

Key Features and Benefits

• 50 Amp Continuous Current Rating: 50 Amp continuous current rating for dependable branch circuit protection.
• 3-Pole Configuration: 3-pole configuration designed for 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 Unit: Non-interchangeable trip unit delivers fixed, factory-configured protection.
• 480Y/277V Class Design: 480Y/277V Class design suitable for demanding commercial and industrial applications.
• Interrupting Capacity: Interrupting capacity: 25kA at 480VAC and 65kA at 240VAC to help protect equipment during fault events.
• Compact Footprint: Compact footprint allows for efficient installation in compatible electrical distribution equipment.
  

Technical Specifications

• Part Number: TEYD3050B
  
• Type: TEYD
  
• Poles: 3
  
• Amperage: 50A
  
• Trip Type: Thermal Magnetic
  
• Mounting Style: Bolt-On
  
• Trip Unit: Non-Interchangeable
  
• Voltage Class: 480Y/277V Class
  
• A.I.C. Rating: 25kA @ 480VAC; 65kA @ 240VAC
  
• Dimensions:
  • Height: 5.25 in.
  • Width: 3.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Standards: The TEYD3050B is manufactured for use in compatible electrical distribution systems and is designed to meet applicable industry standards for molded case circuit breakers.
• Material Compliance: Material compliance and certifications may vary by production date and manufacturer specifications. Always verify compatibility, ratings, and code requirements before installation to ensure compliance with local, state, and national electrical regulations.
  

Where It Works Best

• The TEYD3050B is an excellent choice for protecting three-phase branch circuits in a wide variety of commercial and industrial environments. It is commonly used in panelboards, switchboards, lighting systems, HVAC equipment, manufacturing facilities, office buildings, schools, healthcare facilities, and other electrical distribution systems requiring a 50-amp, 3-pole, bolt-on thermal magnetic circuit breaker designed for 480Y/277V Class applications.