TEYD2080B - 80Amp Circuit Breaker

TEYD2080B - 80Amp Circuit Breaker

The TEYD2080B is a 2-pole, 80-amp bolt-on thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection for your commercial and industrial electrical distribution systems. Built for 480Y/277V Class applications, this breaker features a non-interchangeable trip unit that delivers a fixed level of protection, helping maintain consistent circuit performance and system reliability. Its bolt-on mounting design provides a secure connection within compatible panelboards, making it a practical choice for both new installations and maintenance projects where dependable circuit protection is essential. With interrupting ratings of 25kA at 480VAC and 65kA at 240VAC, the TEYD2080B is well suited for demanding electrical environments where safety, durability, and consistent operation are priorities.

Key Features and Benefits

• 80 Amp Continuous Current Rating: 80 Amp continuous current rating for medium- to high-capacity electrical circuits.
• 2-Pole Configuration: 2-pole configuration provides protection for two energized conductors in compatible AC systems.
• Bolt-On Mounting Design: Bolt-on mounting design helps create a secure electrical connection while reducing the chance of movement within the panel.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism responds to both prolonged overloads and instantaneous short-circuit conditions for reliable protection.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit offers a fixed trip setting to maintain consistent circuit protection.
• 480Y/277V Class Compatibility: 480Y/277V Class compatibility supports a wide range of commercial and industrial power distribution applications.
• High Interrupting Capacity: High interrupting capacity rated at 25kA at 480VAC and 65kA at 240VAC for dependable fault interruption.
  

Technical Specifications

• Part Number: TEYD2080B
  
• Type: TEYD
  
• Circuit Breaker Type: Bolt-On Thermal Magnetic Circuit Breaker
  
• Trip Unit: Non-Interchangeable
  
• Poles: 2
  
• Current Rating: 80 Amps
  
• Voltage Class: 480Y/277V Class
  
• Interrupting Rating:
  • 25kA @ 480VAC
  • 65kA @ 240VAC
• Dimensions:
  • Height: 5.25 in.
  • Width: 2.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Standards: The TEYD2080B is manufactured for use in compatible electrical distribution equipment and is designed to meet applicable industry performance standards for thermal magnetic circuit protection.
• Installation Requirements: Proper installation should always be performed in accordance with the National Electrical Code (NEC), local electrical codes, and the equipment manufacturer's installation requirements. Always verify compatibility with your panelboard and electrical system before installation.
  

Where It Works Best

• The TEYD2080B is an excellent choice for protecting branch circuits in commercial buildings, industrial facilities, institutional properties, office complexes, and other 480Y/277V electrical distribution systems. Its combination of thermal magnetic protection, bolt-on installation, and high interrupting capacity makes it well suited for panelboards serving lighting systems, HVAC equipment, machinery, distribution panels, and other critical electrical loads that require dependable overcurrent protection.