TEYH2030B - 30Amp Circuit Breaker

TEYH2030B - 30 Amp Circuit Breaker

The TEYH2030B is a 2-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 use in 480Y/277V Class applications, this breaker features a non-interchangeable trip unit that helps maintain consistent protection by preventing unauthorized trip modifications. Its bolt-on mounting design creates a secure electrical connection that can help minimize vibration-related issues, making it a practical choice for panelboards serving lighting, branch circuits, HVAC equipment, and other critical electrical loads. With interrupting ratings of 35kA at 480VAC and 65kA at 240VAC, the TEYH2030B is well suited for installations where dependable fault protection and long-term performance are essential. Whether you're replacing an existing breaker or maintaining an electrical distribution system, this breaker delivers the reliability professionals expect while helping keep electrical equipment protected and operating safely.

Key Features and Benefits

• 30 Amp Continuous Current Rating: 30 Amp continuous current rating for a wide range of commercial and industrial branch circuit applications.
• 2-Pole Configuration: 2-pole configuration for protecting 240V and compatible multi-phase circuits.
• Bolt-On Mounting: Bolt-on mounting provides a secure installation designed for dependable electrical contact.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism offers protection against both overloads and short circuits.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit helps maintain the factory-configured protection settings.
• High Interrupting Capacity: High interrupting capacity rated at 35kA @ 480VAC and 65kA @ 240VAC for demanding electrical environments.
• 480Y/277V Class: Designed for 480Y/277V Class electrical distribution systems.
• Compact Design: Compact design simplifies installation in compatible electrical panelboards.

Technical Specifications

• Part Number: TEYH2030B
  
• Type: TEYH
  
• Poles: 2
  
• Amperage: 30A
  
• Trip Type: Thermal Magnetic
  
• Mounting Style: Bolt-On
  
• Trip Unit: Non-Interchangeable
  
• 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 TEYH2030B is manufactured to meet applicable industry standards for molded case circuit breakers within its product class. Proper installation should always follow the National Electrical Code (NEC), local electrical codes, and the equipment manufacturer's requirements. Compatibility with the intended panelboard and electrical system should be confirmed before installation.

Where It Works Best

• The TEYH2030B is an excellent choice for protecting electrical circuits in:
  • Commercial buildings
  • Industrial facilities
  • Office complexes
  • Educational institutions
  • Healthcare facilities
  • Retail spaces
  • Lighting distribution systems
  • HVAC equipment
  • Branch circuit protection in compatible bolt-on panelboards
  Its combination of a 30-amp rating, thermal magnetic protection, bolt-on construction, and high interrupting capacity makes the TEYH2030B a dependable solution for applications where consistent circuit protection and reliable performance are essential.