TEYD3080B - 80Amp Circuit Breaker

TEYD3080B - 80 Amp Circuit Breaker

The TEYD3080B is a 3-pole, 80 amp bolt-on thermal magnetic circuit breaker designed to provide dependable branch circuit protection in your commercial and industrial electrical distribution systems. Built for 480Y/277V AC applications, this breaker combines thermal overload protection with instantaneous magnetic trip protection to help you safeguard electrical equipment against overloads and short circuits. Its non-interchangeable trip design ensures the factory-calibrated trip rating remains fixed, helping maintain system integrity and compliance throughout the life of the installation. The bolt-on mounting configuration delivers a secure connection within compatible panelboards, making the TEYD3080B a practical choice for demanding electrical environments where reliable overcurrent protection is essential. Whether you use it in new installations, equipment upgrades, or maintenance projects, this breaker is engineered to support consistent electrical system performance while helping reduce unnecessary downtime.

Key Features and Benefits

• 80 Amp Continuous Current Rating: 80 Amp continuous current rating for reliable 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 overload and short-circuit conditions.
• Bolt-On Mounting Design: Bolt-on mounting design offers a secure, stable installation in compatible equipment.
• Non-Interchangeable Factory-Set Trip Unit: Non-interchangeable factory-set trip unit helps maintain consistent protection settings.
• Interrupting Capacity: Interrupting capacity: 25kA at 480VAC and 65kA at 240VAC for dependable fault interruption.
• 480Y/277V Class Design: Designed for 480Y/277V Class electrical distribution systems.
• Compact Footprint: Compact footprint simplifies installation where panel space is limited.

Technical Specifications

• Part Number: TEYD3080B
  
• Type: TEYD
  
• Poles: 3
  
• Current Rating: 80 Amps
  
• Voltage Class: 480Y/277V AC
  
• Interrupting Rating: 25kA @ 480VAC; 65kA @ 240VAC
  
• Trip Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Mounting Style: Bolt-On
  
• Dimensions:
  • Height: 5.25 in.
  • Width: 3.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Performance Standards: The TEYD3080B is manufactured for use in electrical power distribution applications and is designed to meet applicable industry performance standards for molded case circuit breakers.
• Installation Requirements: It should be installed and maintained in accordance with the National Electrical Code (NEC), local electrical regulations, and manufacturer recommendations. Verify compatibility with your specific panelboard and electrical system before installation.
  

Where It Works Best

• The TEYD3080B is well suited for a wide range of commercial and industrial power distribution applications, including:
  • Commercial buildings and office facilities
  • Industrial manufacturing equipment
  • Distribution panels and panelboards
  • HVAC systems
  • Motor and machinery branch circuits
  • Institutional and educational facilities
  • Retail buildings and mixed-use properties
  • Electrical system upgrades, preventive maintenance, and replacement projects
  Its combination of an 80-amp rating, thermal magnetic protection, high interrupting capacity, and bolt-on installation makes the TEYD3080B an excellent choice for protecting three-phase electrical systems that require dependable, long-lasting circuit protection.