TEYH1015B - 15 Amp Circuit Breaker

TEYH1015B - 15 Amp Circuit Breaker

The TEYH1015B is a 1-pole, 15-amp bolt-on thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection in commercial and industrial electrical distribution systems. Built as a TEYH Type breaker with a non-interchangeable trip, it delivers consistent circuit protection while helping maintain system reliability and safety. Engineered for 480Y/277V Class applications, this breaker features an impressive 35kA interrupting capacity at 277VAC and 65kA at 115VAC, making it well-suited for installations where higher available fault current demands dependable performance. Its bolt-on mounting design creates a secure connection to compatible panelboards, helping minimize movement and maintain reliable electrical contact over time. Whether you're replacing an existing breaker during maintenance or supporting a new installation, the TEYH1015B offers the dependable protection professionals expect for demanding electrical systems.

Key Features and Benefits

• 15 Amp Continuous Current Rating: 15 Amp continuous current rating for branch circuit protection.
• Single-Pole Configuration: Single-pole (1P) configuration for single-phase circuit applications.
• Bolt-On Mounting: Bolt-on mounting provides a secure installation in compatible panelboards.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism helps protect against both overloads and short circuits.
• Non-Interchangeable Trip: Non-interchangeable trip ensures the factory-calibrated trip setting remains fixed.
• High Interrupting Capacity: High interrupting capacity rated at 35kA at 277VAC and 65kA at 115VAC for demanding fault current environments.
• 480Y/277V Class Design: Designed for 480Y/277V Class electrical distribution systems.
• Compact Footprint: Compact footprint allows for efficient use of panel space during installation or replacement.

Technical Specifications

• Part Number: TEYH1015B
  
• Type: TEYH
  
• Circuit Breaker Style: Bolt-On Thermal Magnetic
  
• Trip Type: Non-Interchangeable Trip
  
• Poles: 1
  
• Amperage: 15A
  
• Voltage Class: 480Y/277V Class
  
• Interrupting Rating: 35kA @ 277VAC; 65kA @ 115VAC
  
• Dimensions:
  • Height: 5.25 in.
  • Width: 1.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Thermal Magnetic Construction: Thermal magnetic circuit breaker construction for dependable overcurrent protection.
• Application Compatibility: Manufactured for use in compatible 480Y/277V Class electrical distribution systems.
• Industry Standards: Built to meet applicable industry standards and performance requirements for this breaker class. Verify compatibility with your specific panelboard and application before installation.

Where It Works Best

• The TEYH1015B is an excellent choice for commercial buildings, industrial facilities, institutional properties, office buildings, retail spaces, and other electrical distribution systems requiring a 15-amp, single-pole bolt-on circuit breaker. It is especially well suited for protecting branch circuits in compatible panelboards where a high interrupting rating and secure bolt-on installation are important for long-term electrical system performance and reliability.