TEYF2020B - 20Amp Circuit Breaker

TEYF2020B - 20 Amp Circuit Breaker

The TEYF2020B is a 2-pole, 20 amp bolt-on thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection for commercial and industrial electrical distribution systems. Built for 480Y/277V Class applications, this breaker features a non-interchangeable trip unit that delivers a fixed, factory-calibrated trip setting for consistent circuit protection. Its bolt-on mounting design helps create a secure electrical connection while minimizing movement in demanding environments, making it an excellent choice for panelboards where reliability and long-term performance are essential. With interrupting ratings of 18kA at 480VAC and 65kA at 240VAC, the TEYF2020B is engineered to help protect electrical equipment from damaging fault currents while supporting safe, efficient operation. Whether you're replacing an existing breaker during maintenance or completing a new installation, this breaker offers the dependable performance professionals expect for a wide range of power distribution applications. This description follows Google's emphasis on helpful, original, user-focused content and trustworthy product information for shopping pages.

Key Features and Benefits

• 20 Amp Rating: 20 Amp Rating for reliable branch circuit protection.
• 2-Pole Configuration: 2-Pole Configuration designed to protect two energized conductors simultaneously.
• Thermal Magnetic Trip Mechanism: Thermal Magnetic Trip Mechanism provides protection against both overloads and short circuits.
• Bolt-On Mounting: Bolt-On Mounting creates a secure installation and dependable electrical connection.
• Non-Interchangeable Trip Unit: Non-Interchangeable Trip Unit ensures a fixed, factory-set trip calibration for consistent performance.
• 480Y/277V Class Design: 480Y/277V Class design suitable for higher-voltage commercial and industrial electrical systems.
• Interrupting Capacity:
  • 18kA at 480VAC
  • 65kA at 240VAC
• Compact Design: Compact design simplifies installation in compatible panelboards and electrical distribution equipment.

Technical Specifications

• Part Number: TEYF2020B
• Type: TEYF
• Trip Type: Thermal Magnetic
• Mounting Style: Bolt-On
• Trip Unit: Non-Interchangeable
• Poles: 2
• Amperage: 20A
• Voltage Class: 480Y/277V
• Interrupting Rating: 18kA @ 480VAC; 65kA @ 240VAC
• Dimensions:
  • Height: 5.25 in.
  • Width: 2.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Standards: The TEYF2020B is manufactured for use in electrical distribution systems that require dependable overcurrent protection and is designed to meet applicable industry standards for molded case circuit breakers when installed in compatible equipment.
• Installation Guidance: Always verify compatibility with your electrical system and follow all applicable national, state, and local electrical codes, as well as manufacturer installation guidelines.

Where It Works Best

• The TEYF2020B is well suited for a variety of commercial and industrial applications that require dependable 20 amp circuit protection, including:
  • Commercial buildings
  • Industrial facilities
  • Office complexes
  • Manufacturing equipment
  • Distribution panelboards
  • Electrical service upgrades
  • Maintenance and replacement projects
  • Institutional and educational facilities
  Its combination of thermal magnetic protection, bolt-on installation, and high interrupting capacity makes the TEYF2020B an excellent solution for protecting branch circuits in demanding electrical environments where reliable performance and consistent operation are essential.