TEYD3100B - 100Amp Circuit Breaker

TEYD3100B - 100 Amp Circuit Breaker

The TEYD3100B is a 3-pole, 100-amp bolt-on thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection for 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 maintain the integrity of your electrical system. With interrupting ratings of 25kA at 480VAC and 65kA at 240VAC, the TEYD3100B is well-suited for installations where reliable fault interruption is essential. Its bolt-on mounting design provides a secure connection that helps minimize movement and supports long-term performance in demanding environments. Whether you're replacing an existing breaker or maintaining critical electrical equipment, the TEYD3100B offers the dependable operation professionals expect for protecting branch circuits, panelboards, and power distribution systems. Developed with accuracy, safety, and long service life in mind, this breaker is an excellent choice for electricians, maintenance teams, facility managers, and electrical contractors seeking dependable circuit protection.

Key Features and Benefits

• 100 Amp Continuous Current Rating: 100 Amp continuous current rating for medium- to high-capacity electrical loads.
• 3-Pole Configuration: 3-pole configuration provides protection for three-phase electrical systems.
• Bolt-On Mounting: Bolt-on mounting delivers a secure installation and dependable electrical connection.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism provides protection against both overloads and short circuits.
• Non-Interchangeable Trip Unit: Non-interchangeable trip unit helps maintain consistent factory-configured protection settings.
• Interrupting Capacity: Interrupting capacity: 25kA at 480VAC and 65kA at 240VAC for reliable fault clearing.
• 480Y/277V Class: Designed for 480Y/277V Class electrical distribution systems.
• Compact Design: Compact design simplifies installation and servicing in compatible electrical equipment.
  

Technical Specifications

• Part Number: TEYD3100B
  
• Type: TEYD
  
• Circuit Breaker Type: Bolt-On Thermal Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Poles: 3
  
• Amperage: 100 Amps
  
• Voltage Class: 480Y/277V Class
  
• Interrupting Rating: 25kA @ 480VAC; 65kA @ 240VAC
  
• Dimensions:
  • Height: 5.25 in.
  • Width: 3.00 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• Performance Requirements: The TEYD3100B is manufactured for use in electrical power distribution applications and is designed to meet the performance requirements associated with its product class. Always verify compatibility with your electrical system and consult applicable local, state, and national electrical codes before installation.
• Installation: Proper installation by a qualified electrician helps ensure safe operation and dependable performance.
  

Where It Works Best

• The TEYD3100B is an excellent choice for a wide range of commercial and industrial applications requiring dependable three-phase circuit protection, including commercial buildings and office facilities, manufacturing and industrial plants, distribution panels and panelboards, mechanical and HVAC equipment, motor and equipment branch circuits, institutional and educational facilities, and electrical system maintenance, repairs, and equipment upgrades. When dependable overcurrent protection, secure bolt-on installation, and reliable fault interruption are priorities, the TEYD3100B 100 Amp 3 Pole Thermal Magnetic Circuit Breaker delivers the performance needed to help keep critical electrical systems operating safely and efficiently.