TEYL3070B - 70Amp Circuit Breaker

TEYL3070B - 70 Amp Circuit Breaker

The TEYL3070B is a 70 Amp, 3-pole bolt-on thermal magnetic circuit breaker engineered for dependable circuit protection in your commercial and industrial electrical distribution systems. Designed as part of the TEYL breaker family, this breaker features a non-interchangeable trip unit that provides consistent overcurrent and short-circuit protection while helping safeguard electrical equipment from damage caused by overloads and fault conditions. Its bolt-on mounting design creates a secure connection within compatible panelboards, making it a reliable choice for new installations, equipment upgrades, and maintenance projects. Built for 480Y/277V Class applications, the TEYL3070B delivers high interrupting capacity where dependable performance matters most.

Key Features and Benefits

• 70 Amp Continuous Current Rating: 70 Amp continuous current rating for demanding commercial and industrial circuits.
• 3-Pole Configuration: 3-pole configuration provides protection for three-phase electrical systems.
• Bolt-On Design: Bolt-on design helps ensure a secure, stable installation in compatible panelboards.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism responds to both prolonged overloads and instantaneous short circuits.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit maintains a fixed trip rating for consistent circuit protection.
• High Interrupting Capacity: High interrupting capacity rated 65kA at 480VAC and 100kA at 240VAC, making it suitable for applications with elevated available fault current.
• 480Y/277V Class Systems: Designed for 480Y/277V Class electrical distribution systems.
  

Technical Specifications

• Part Number: TEYL3070B
  
• Type: TEYL
  
• Circuit Breaker Style: Bolt-On Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 3
  
• Amperage: 70 Amps
  
• Voltage Class: 480Y/277V Class
  
• Interrupting Rating:
  • 65kA @ 480VAC
  • 100kA @ 240VAC
• Dimensions:
  • Height: 5.25 in.
  • Width: 3.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Standards: The TEYL3070B is manufactured for use in compatible electrical distribution systems and is intended to meet applicable industry standards for molded case circuit breakers.
• Installation Guidance: Always verify compatibility with your specific panelboard, system voltage, available fault current, and local electrical code requirements before installation. Installation should be performed by a qualified electrical professional.
  

Where It Works Best

• The TEYL3070B is well suited for protecting commercial buildings, industrial facilities, manufacturing equipment, distribution panels, mechanical systems, and other three-phase power applications requiring a 70 Amp, 3-pole bolt-on circuit breaker. Its combination of thermal magnetic protection, secure bolt-on installation, and high interrupting capacity makes it an excellent solution for protecting feeders, branch circuits, and critical electrical equipment in demanding environments.