TEYD2040B - 40Amp Circuit Breaker

TEYD2040B - 40 Amp Circuit Breaker

The TEYD2040B is a 2-pole, 40-amp bolt-on thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection for your commercial and industrial electrical distribution systems. Built for 480Y/277V class applications, this breaker features a non-interchangeable trip unit, helping you to maintain consistent protection settings throughout its service life. Its bolt-on mounting design delivers a secure connection that reduces movement and supports long-term reliability in panelboard installations. With interrupting ratings of 25kA at 480VAC and 65kA at 240VAC, the TEYD2040B is well suited for applications where dependable circuit protection and equipment safety are essential. Whether you're replacing an existing breaker during maintenance or supporting a new electrical installation, this TEYD circuit breaker offers the performance and durability professionals expect for demanding electrical systems.

Key Features and Benefits

• 40 Amp Continuous Current Rating: 40 Amp continuous current rating for reliable branch circuit protection.
• 2-Pole Configuration: 2-pole configuration for protecting two-phase or line-to-line circuits.
• Thermal Magnetic Trip Mechanism: The thermal magnetic trip mechanism protects against both overloads and short circuits.
• Bolt-On Mounting Design: Bolt-on mounting design creates a secure mechanical and electrical connection.
• Non-Interchangeable Trip: Non-interchangeable trip helps maintain factory-configured protection settings.
• High Interrupting Capacity: 25kA interrupting capacity at 480VAC and 65kA at 240VAC for use in systems requiring higher fault interruption capabilities.
• 480Y/277V Class: Designed for 480Y/277V class electrical distribution systems.
• Compact Footprint: Compact footprint simplifies installation in compatible panelboards and electrical equipment.
  

Technical Specifications

• Part Number: TEYD2040B
  
• Type: TEYD
  
• Circuit Breaker Type: Bolt-On Thermal Magnetic Circuit Breaker
  
• Trip Unit: Non-Interchangeable Trip
  
• Poles: 2
  
• Amperage: 40 Amps
  
• Voltage Class: 480Y/277V
  
• Interrupting Rating: 25kA @ 480VAC; 65kA @ 240VAC
  
• Dimensions:
  • Height: 5.25 in.
  • Width: 2.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Thermal Magnetic Construction: Thermal magnetic circuit breaker construction for dependable overcurrent protection.
• Application Compatibility: Designed for use in compatible 480Y/277V class electrical distribution equipment.
• Industry Performance Standards: Manufactured to meet applicable industry performance standards for its product class. Always verify compatibility with your panelboard and local electrical code requirements before installation.
  

Where It Works Best

• The TEYD2040B is an excellent choice for commercial buildings, industrial facilities, office complexes, institutional properties, and other electrical distribution systems requiring a 40A, 2-pole bolt-on circuit breaker. It is commonly used to protect branch circuits serving lighting, HVAC equipment, motor loads, distribution panels, and other electrical equipment where dependable overload and short-circuit protection are required. Its secure bolt-on installation and high interrupting capacity make it well-suited for demanding environments where consistent electrical system performance is a priority.