TEYD2090B - 90Amp Circuit Breaker

TEYD2090B - 90 Amp Circuit Breaker

The TEYD2090B is a 2-pole, 90 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 on 480Y/277V Class systems, this breaker features a non-interchangeable trip unit, helping maintain consistent circuit protection while reducing the possibility of unauthorized trip modifications. Its bolt-on mounting design creates a secure electrical connection that is well-suited for panelboards where reliability and long-term performance matter. With interrupting ratings of 25kA at 480VAC and 65kA at 240VAC, the TEYD2090B is an excellent choice for protecting feeders, branch circuits, lighting systems, HVAC equipment, and other demanding electrical loads. Whether you're replacing an existing breaker or maintaining critical electrical infrastructure, this thermal magnetic circuit breaker delivers the dependable protection professionals expect. This product description is written to provide clear, accurate information and follows Google's emphasis on helpful, original content that supports informed purchasing decisions.

Key Features and Benefits

• 90 Amp Continuous Current Rating: 90 Amp continuous current rating for medium- to high-capacity electrical circuits.
• 2-Pole Configuration: 2-pole configuration for protecting two energized conductors simultaneously.
• Bolt-On Mounting: Bolt-on mounting provides a secure installation and dependable electrical connection.
• 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 the factory-configured protection settings.
• Interrupting Capacity: Interrupting capacity: 25kA at 480VAC and 65kA at 240VAC for use in appropriately rated electrical systems.
• Designed for 480Y/277V Class Applications: Designed for 480Y/277V Class commercial and industrial applications.
• Compact Footprint: Compact footprint simplifies installation and replacement in compatible panelboards.
  

Technical Specifications

• Part Number: TEYD2090B
  
• Type: TEYD
  
• Circuit Breaker Type: Bolt-On Thermal Magnetic Circuit Breaker
  
• Trip Unit: Non-Interchangeable
  
• Poles: 2
  
• Amperage: 90 Amps
  
• Voltage Class: 480Y/277V Class
  
• Interrupting Rating:
  • 25kA @ 480VAC
  • 65kA @ 240VAC
• Dimensions:
  • Height: 5.25 in.
  • Width: 2.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Electrical Distribution Equipment: Thermal magnetic circuit breaker manufactured for use in compatible electrical distribution equipment.
• System Compatibility: Designed for installation in systems that match the specified voltage and interrupting ratings.
• Compatibility Verification: Verify compatibility with your panelboard and applicable electrical codes before installation.
• Qualified Installation: Installation should be completed by a qualified electrician in accordance with local and national electrical regulations.
  

Where It Works Best

• The TEYD2090B is well-suited for commercial buildings, industrial facilities, institutional properties, and other environments where dependable circuit protection is essential. It performs well in panelboards serving HVAC systems, lighting circuits, motor loads, distribution equipment, and general power applications requiring a 2-pole, 90 amp bolt-on breaker with high interrupting capacity. Its combination of thermal magnetic protection, secure bolt-on installation, and 480Y/277V Class capability makes it a practical solution for maintaining safe and reliable electrical system operation.