EDB34050 - 50 Amp Circuit Breaker

EDB34050 - 50 Amp Circuit Breaker

When you need dependable circuit protection for a compatible Square D NF panelboard, the Schneider Electric EDB34050 is built to get the job done. This 50 Amp, 3-pole E-Frame bolt-on circuit breaker is designed to help protect commercial and industrial electrical systems from overloads and short circuits using trusted thermal-magnetic trip technology. Whether you're replacing an existing breaker during routine maintenance or completing a new installation, the EDB34050 offers the form, fit, and function professionals rely on to keep electrical systems operating safely.

Designed for 480Y/277 VAC applications, the EDB34050 delivers interrupting capacities of up to 25 kA at applicable voltage ratings, making it well suited for demanding commercial environments. An integrated trip indicator makes it easy to identify when the breaker has operated, helping reduce troubleshooting time and simplify maintenance.

Key Features and Benefits

• 50 Amp current rating for dependable branch circuit protection
• Three-pole configuration for three-phase electrical systems
• Bolt-on mounting ensures a secure fit in compatible NF panelboards
• Thermal-magnetic trip unit provides reliable overload and short-circuit protection
• Integrated trip indicator simplifies diagnostics and maintenance
• Rated for operation up to 480Y/277 VAC
• Interrupting capacity up to 25 kA at applicable voltage ratings
• Compatible with both copper and aluminum conductors
• HID and HACR rated for lighting and HVAC applications
• Designed for consistent performance in commercial and industrial environments

Technical Specifications

• Manufacturer: Schneider Electric
  
• Catalog Number: EDB34050
  
• Series: EDB E-Frame (125A Frame)
  
• Product Type: Circuit Breaker
  
• Current Rating: 50 Amps
  
• Poles: 3
  
• Maximum Operating Voltage: 480Y/277 VAC
  
• Trip Unit Technology: Thermal-Magnetic
  
• Trip Unit Rating: 1800 A
  
• Holding Current: 630 A
  
• Interrupting Ratings:
  • 25 kA @ 120 VAC
  • 25 kA @ 120/240 VAC
  • 25 kA @ 240 VAC
  • 18 kA @ 277 VAC
  • 18 kA @ 480Y/277 VAC
• Mounting Style: Bolt-On
  
• Panelboard Compatibility: Square D NF Panelboards
  
• Wire Range:
  • Copper: 14 AWG–2/0 AWG
  • Aluminum: 12 AWG–2/0 AWG
• Connection Type: Aluminum Lugs
  
• Tightening Torque:
  • 34.5 lb-in (3.9 N·m) for 14–10 AWG conductors
  • 49.6 lb-in (5.6 N·m) for 8 AWG–2/0 AWG conductors
• Dimensions:
  • Height: 5.66 in. H
  • Width: 2.94 in. W
  • Depth: 4.05 in. D
• Weight: Approximately 4 lbs.
  

Material Compliance and Certifications

The Schneider Electric EDB34050 is cULus Listed, UL Listed for High-Intensity Discharge (HID) applications, HACR rated, and TAA compliant, demonstrating adherence to recognized safety and performance standards for commercial electrical equipment. The breaker is calibrated for operation at ambient temperatures up to 40°C (104°F), making it suitable for a wide range of indoor electrical distribution applications. For optimal safety and performance, installation should be completed by qualified personnel in accordance with the National Electrical Code (NEC) and all applicable local electrical codes.

Where It Works Best

• Commercial office buildings
• Manufacturing and industrial facilities
• Healthcare and medical centers
• Educational campuses
• Retail stores and shopping centers
• Warehouses and distribution facilities
• Government and municipal buildings
• HVAC equipment and air conditioning systems (HACR applications)
• High Intensity Discharge (HID) lighting systems
• Electrical upgrades, renovations, and maintenance projects