TEYL2090B - 90Amp Circuit Breaker

TEYL2090B - 90 Amp Circuit Breaker

The TEYL2090B is a 90 Amp, 2-pole 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 that delivers consistent protection while helping you safeguard electrical equipment from overloads and fault conditions. Its bolt-on mounting design creates a secure electrical connection, making it an excellent choice for panelboard installations where reliability and long-term performance are essential. With an interrupting capacity of 65kA at 480VAC and 100kA at 240VAC, the TEYL2090B is well suited for demanding environments that require high fault-current protection while maintaining dependable circuit performance.

Key Features and Benefits

• 90 Amp Current Rating: 90 Amp current rating for medium- to high-capacity branch circuit protection.
• 2-Pole Configuration: 2-pole configuration for protecting two energized conductors simultaneously.
• Bolt-On Mounting: Bolt-on mounting provides a secure, vibration-resistant installation.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism delivers protection against both overloads and short circuits.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit helps maintain factory-calibrated protection settings.
• High Interrupting Capacity: High interrupting capacity rated at 65kA at 480VAC and 100kA at 240VAC.
• 480Y/277V Class Systems: Designed for 480Y/277V Class electrical distribution systems.
• Compact Footprint: Compact footprint simplifies installation in compatible electrical panelboards.
  

Technical Specifications

• Part Number: TEYL2090B
  
• Type: TEYL
  
• Poles: 2
  
• Amperage: 90 Amps
  
• Trip Type: Thermal Magnetic
  
• Mounting Style: Bolt-On
  
• Trip Unit: Non-Interchangeable
  
• Voltage Class: 480Y/277V Class
  
• Interrupting Rating:
  • 65kA @ 480VAC
  • 100kA @ 240VAC
• Dimensions:
  • Height: 5.25 in.
  • Width: 2.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Standards: The TEYL2090B is manufactured for use in compatible electrical distribution systems and is designed to meet applicable industry standards for molded case circuit breakers.
• Installation Guidance: Proper installation should always be performed in accordance with the National Electrical Code (NEC), local electrical codes, and the equipment manufacturer's specifications. Verify compatibility with your panelboard and electrical system before installation.
  

Where It Works Best

• The TEYL2090B is an excellent solution for protecting electrical circuits in a variety of commercial and industrial environments, including commercial office buildings, manufacturing facilities, industrial control panels, distribution panelboards, retail and institutional buildings, multi-unit commercial properties, and electrical system upgrades and replacement projects requiring a compatible Type TEYL breaker. Its combination of a 90 Amp rating, thermal magnetic protection, and high interrupting capacity makes the TEYL2090B a dependable choice for protecting electrical equipment in applications where safety, reliability, and consistent performance are essential.