TEYH2080B - 80Amp Circuit Breaker

TEYH2080B - 80Amp Circuit Breaker

The TEYH2080B is a 2-pole, 80-amp 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 unit to help you maintain consistent protection settings throughout its service life. With interrupting ratings of 35 kA at 480 VAC and 65 kA at 240 VAC, the TEYH2080B is well-suited for installations where reliable fault protection and long-term performance are essential. Its bolt-on mounting design provides a secure electrical connection, making it a practical choice for panelboards and distribution equipment that demand dependable operation under demanding electrical loads.

Key Features and Benefits

• 80-Amp Current Rating: 80-amp current rating for medium- to high-capacity branch circuit protection.
• 2-Pole Configuration: 2-pole configuration for protecting 240V and compatible multi-phase circuits.
• Thermal Magnetic Trip Mechanism: The thermal-magnetic trip mechanism protects against both prolonged overloads and instantaneous short circuits.
• Bolt-On Mounting Design: Bolt-on mounting design provides a secure, vibration-resistant installation.
• Non-Interchangeable Trip: Non-interchangeable trip helps preserve the factory-calibrated protection settings.
• High Interrupting Capacity: High interrupting capacity rated at 35kA @ 480VAC and 65kA @ 240VAC for demanding electrical systems.
• 480Y/277V Class Applications: Designed for 480Y/277V Class applications in commercial and industrial environments.
• Compact Footprint: Compact footprint allows for efficient installation in compatible electrical equipment.

Technical Specifications

• Part Number: TEYH2080B
  
• Type: TEYH
  
• Poles: 2
  
• Amperage: 80A
  
• Trip Unit: Thermal Magnetic
  
• Mounting Style: Bolt-On
  
• Trip Type: Non-Interchangeable Trip
  
• Voltage Class: 480Y/277V Class
  
• Interrupting Rating: 35kA @ 480VAC; 65kA @ 240VAC
  
• Dimensions:
  • Height: 5.25 in.
  • Width: 2.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Standards: The TEYH2080B is manufactured for use in electrical distribution systems that require dependable circuit protection and compliance with applicable industry circuit breaker standards. It is designed to meet the performance requirements associated with its electrical ratings and intended applications.
• Installation Notice: Always verify compatibility with your equipment and consult applicable local electrical codes before installation.
  

Where It Works Best

• The TEYH2080B is an excellent choice for a wide range of commercial and industrial electrical systems that require dependable circuit protection. It is commonly used in commercial buildings and office facilities, industrial manufacturing plants, distribution panels and panelboards, mechanical and HVAC equipment, motor and equipment branch circuits, institutional, educational, and healthcare facilities, and electrical infrastructure requiring 480Y/277V Class protection. Its combination of an 80-amp rating, thermal-magnetic protection, bolt-on installation, and high interrupting capacity makes the TEYH2080B a dependable solution for protecting electrical systems while minimizing downtime and supporting reliable system performance.