EGB34100 - 100 Amp Circuit Breaker

EGB34100 - 100 Amp Circuit Breaker

When your electrical system depends on reliable circuit protection, the EGB34100 100 Amp 3-pole circuit breaker delivers dependable performance day after day. Built for use in compatible NF panelboards, this E-Frame breaker helps safeguard electrical equipment against overloads and short circuits while providing the form, fit, and function needed for maintaining existing installations. Its secure bolt-on design keeps the breaker firmly mounted, while the built-in trip indicator makes it easy to identify when the breaker has tripped, helping maintenance personnel get systems back up and running more efficiently. Whether you're replacing an existing breaker during scheduled maintenance or servicing a commercial electrical system, the EGB34100 is engineered for consistent operation in demanding environments. Its thermal-magnetic trip unit reacts to both sustained overload conditions and sudden fault currents, helping protect valuable equipment and electrical infrastructure.

Key Features and Benefits

• 100 Amp continuous current rating: For higher-capacity three-phase branch circuits.
• 3-pole design: For compatible three-phase electrical distribution systems.
• Bolt-on mounting: Provides a secure installation in compatible NF panelboards.
• Thermal-magnetic trip unit: Helps protect against overloads and short circuits.
• Built-in trip indicator: Allows quick identification of a tripped breaker.
• HACR rated: For compatible heating, air conditioning, and refrigeration applications.
• Accepts both copper and aluminum conductors.
• Built for dependable, long-lasting service: In commercial and industrial electrical systems.
  

Technical Specifications

• Catalog Number: EGB34100
  
• Series: EGB E-Frame
  
• Product Type: Miniature Circuit Breaker
  
• Rated Current: 100 Amps
  
• Number of Poles: 3
  
• Maximum Operating Voltage: 480Y/277 VAC
  
• Mounting Style: Bolt-On
  
• Trip Unit Technology: Thermal-Magnetic
  
• Trip Unit Rating: 2300A
  
• Holding Current: 1000A
  
• Protection Functions: Overload and Short-Circuit
  
• Interrupting Ratings:
  • 65kA @ 120 VAC
  • 65kA @ 120/240 VAC
  • 65kA @ 240 VAC
  • 35kA @ 277 VAC
  • 35kA @ 480Y/277 VAC
• Electrical Connections: Aluminum lugs
  
• Compatible Wire Sizes:
  • Aluminum: AWG 12–2/0
  • Copper: AWG 14–2/0
• Terminal Torque:
  • 34.5 lb-in (3.9 N·m) for AWG 14–10
  • 49.6 lb-in (5.6 N·m) for AWG 8–2/0
• Dimensions: 5.66 in. H × 2.94 in. W × 4.05 in. D
  
• Weight: Approximately 4 lbs.
  
• Calibration Temperature: 40°C (104°F)
  

Material Compliance and Certifications

• cULus Listed
• HACR Rated
• TAA Compliant
• Calibrated for operation in ambient temperatures up to 104°F (40°C)
  

Where It Works Best

• Commercial office buildings
• Manufacturing and industrial facilities
• Healthcare facilities
• Schools and universities
• Retail centers and shopping complexes
• Warehouses and distribution centers
• HVAC equipment and mechanical systems
• Three-phase power distribution
• Maintenance, repair, and replacement of existing NF panelboard installations