EGB34030 - 30 Amp Circuit Breaker

EGB34030 - 30 Amp Circuit Breaker

Whether you're performing scheduled maintenance or replacing a failed breaker, using a component that matches your existing system helps keep the job simple. The EGB34030 Thermal-Magnetic Circuit Breaker is a 30 Amp, 3-pole bolt-on circuit breaker designed for compatible NF panelboards and other legacy electrical distribution systems. Its thermal-magnetic trip unit provides dependable protection against overloads and short circuits, helping protect connected equipment while maintaining the original design of your electrical installation.

Designed for systems operating at up to 480Y/277 VAC, the EGB34030 combines secure bolt-on installation with interrupting ratings of 65 kA at 120/240 VAC and 35 kA at 480Y/277 VAC, making it well-suited for many commercial, industrial, and institutional applications.

Key Features and Benefits

• 30 Amp current rating
• 3-pole configuration for compatible three-phase electrical systems
• Bolt-on mounting for secure installation in compatible NF panelboards
• Thermal-magnetic trip unit helps protect against overloads and short circuits
• Built-in trip indicator for quick visual breaker status
• Rated for systems up to 480Y/277 VAC
• Interrupting capacity:
  • 65kA @ 120 VAC
  • 65kA @ 120/240 VAC
  • 65kA @ 240 VAC
  • 35kA @ 277 VAC
  • 35kA @ 480Y/277 VAC
• HACR rated
• UL Listed for High Intensity Discharge (HID) applications
• Compatible with NF panelboards
• Designed to provide the form, fit, and function required for compatible legacy electrical systems
• Built to last for dependable service in properly maintained equipment
  

Technical Specifications

• Catalog Number: EGB34030
  
• Product Type: Miniature Circuit Breaker
  
• Frame Type: E-Frame (EGB)
  
• Current Rating: 30 Amps
  
• Number of Poles: 3
  
• Maximum Operating Voltage: 480Y/277 VAC
  
• Mounting Style: Bolt-On
  
• Trip Unit Technology: Thermal-Magnetic
  
• Trip Unit Rating: 875A
  
• Holding Current: 270A
  
• Protection Type: 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 12–6
  • Copper: AWG 14–6
• Terminal Tightening Torque: 30.09 lb-in (3.4 N·m)
  
• Operating Temperature Calibration: 40°C (104°F)
  
• Dimensions:
  • Height: 5.66 in.
  • Width: 2.94 in.
  • Depth: 4.05 in.
• Weight: Approximately 4 lbs.
  

Material Compliance and Certifications

The EGB34030 is manufactured for use in compatible electrical distribution equipment and complies with recognized industry standards, including:

• cULus Listed
• UL Listed for High Intensity Discharge (HID) applications
• HACR Rated
• TAA Compliant

For safe and dependable operation, installation should always be completed in accordance with applicable electrical codes and manufacturer recommendations.

Where It Works Best

The EGB34030 is an excellent choice for maintaining compatible electrical systems in a wide range of applications, including:

• NF panelboards
• Commercial office buildings
• Manufacturing and industrial facilities
• Healthcare facilities
• Educational campuses
• Retail and mixed-use buildings
• Electrical distribution panels
• HVAC equipment requiring HACR-rated circuit protection
• HID lighting systems
• Preventive maintenance and replacement projects requiring a compatible 30 Amp, 3-pole bolt-on circuit breaker