TEYD3070B - 70Amp Circuit Breaker

TEYD3070B - 70Amp Circuit Breaker

The TEYD3070B is a 70 Amp, 3-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 as part of the Type TEYD family, this breaker features a non-interchangeable trip that maintains a fixed protection setting, helping you ensure consistent circuit protection throughout its service life. Its bolt-on mounting design creates a secure electrical connection, making it well suited for panelboard applications where reliability and long-term performance are essential. Rated for 480Y/277V Class systems, the TEYD3070B offers interrupting capacities of 25kA at 480VAC and 65kA at 240VAC, making it a practical choice for demanding electrical installations requiring dependable fault protection.

Key Features and Benefits

• 70 Amp Continuous Current Rating: 70 Amp continuous current rating for a wide range of commercial and industrial branch circuit applications.
• Three-Pole Configuration: Three-pole configuration provides protection for three-phase electrical systems.
• Bolt-On Mounting Design: Bolt-on mounting design helps create a secure, stable connection within compatible panelboards.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism delivers protection against both overloads and short circuits.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit maintains a fixed trip setting for consistent circuit protection.
• High Interrupting Ratings: Interrupting ratings of 25kA at 480VAC and 65kA at 240VAC help safeguard electrical equipment during fault conditions.
• 480Y/277V Class Rated: Designed for 480Y/277V Class electrical distribution systems.

Technical Specifications

• Part Number: TEYD3070B
  
• Type: TEYD
  
• Poles: 3
  
• Amperage: 70 Amps
  
• Trip Type: Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Mounting Style: Bolt-On
  
• Voltage Class: 480Y/277V
  
• Interrupting Rating: 25kA @ 480VAC; 65kA @ 240VAC
  
• Dimensions:
  • Height: 5.25 in.
  • Width: 3.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Industry Standards: The TEYD3070B is manufactured for use in electrical power distribution systems and is designed to meet applicable industry standards for molded case circuit breakers.
• Installation Notice: Always verify compatibility with your equipment, local electrical codes, and project requirements before installation. Installation and servicing should be performed by qualified electrical professionals.
  

Where It Works Best

• The TEYD3070B is an excellent choice for commercial buildings, industrial facilities, manufacturing plants, office complexes, educational institutions, healthcare facilities, and other three-phase electrical systems requiring dependable branch circuit protection. Its bolt-on construction and thermal magnetic protection make it well suited for protecting feeders, panelboards, lighting circuits, HVAC equipment, and a wide variety of electrical distribution applications where reliable overcurrent protection is critical.