TEYF3030B - 30Amp Circuit Breaker

TEYF3030B - 30 Amp Circuit Breaker

The TEYF3030B is a 3-pole, 30-amp bolt-on thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection in commercial and industrial electrical distribution systems. Built for 480Y/277V Class applications, this breaker features a non-interchangeable trip unit, helping maintain consistent protection settings throughout its service life. Its bolt-on mounting design provides a secure connection that helps reduce movement and supports reliable electrical performance in panelboard installations. With an interrupting capacity of 18kA at 480VAC and 65kA at 240VAC, the TEYF3030B is well suited for protecting branch circuits that require dependable performance in demanding environments. Whether you're replacing an existing breaker during maintenance or supporting a new installation, this Type TEYF circuit breaker delivers the trusted protection professionals expect while helping keep electrical systems operating safely and efficiently.

Key Features and Benefits

• 30 Amp Rating: For reliable branch circuit protection.
• 3-Pole Configuration: Designed for three-phase electrical systems.
• Bolt-On Mounting: Provides a secure installation and dependable electrical connection.
• Thermal Magnetic Trip Mechanism: Offers protection against both overloads and short circuits.
• Non-Interchangeable Trip Unit: Maintains a fixed trip rating for consistent circuit protection.
• Interrupting Rating: 18kA at 480VAC and 65kA at 240VAC for applications requiring higher fault current protection.
• 480Y/277V Class: Designed for 480Y/277V Class electrical distribution systems.
  
• Compact Design: Simplifies installation in compatible panelboards.

Technical Specifications

• Part Number: TEYF3030B
  
• Type: TEYF
  
• Circuit Breaker Style: Bolt-On Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Voltage Class: 480Y/277V
  
• Poles: 3
  
• Current Rating: 30 Amps
  
• Interrupting Rating:
  • 18kA @ 480VAC
  • 65kA @ 240VAC
• Dimensions:
  • Height: 5.25 in.
  • Width: 3.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Standards: Manufactured to meet applicable industry standards for molded case circuit breakers.
• Installation Requirements: Designed for installation in compatible electrical distribution equipment when used in accordance with applicable electrical codes and manufacturer specifications.
• Qualified Personnel: Intended for use by qualified personnel following local, state, and national electrical requirements.
  

Where It Works Best

• The TEYF3030B is an excellent choice for commercial buildings, industrial facilities, institutional properties, office complexes, and other three-phase electrical systems requiring dependable 30-amp overcurrent protection. It is well-suited for protecting branch circuits serving lighting panels, distribution equipment, HVAC systems, machinery, and other electrical loads operating on 480Y/277V power systems, where a secure bolt-on breaker and reliable thermal magnetic protection are required.