BJA36050 - 50Amp Circuit Breaker

BJA36050 - 50Amp Circuit Breaker

When reliable circuit protection is critical, the Schneider Electric BJA36050 PowerPacT™ B circuit breaker delivers the performance and confidence electrical professionals expect. Designed for commercial and industrial power distribution systems, this 50 Amp, 3-pole circuit breaker helps protect equipment and electrical infrastructure from overloads and short circuits before they can lead to costly downtime or damage.

Part of Schneider Electric's trusted PowerPacT B-Frame series, the BJA36050 combines powerful thermal-magnetic protection with a compact design that helps maximize valuable panel space. Its I-Line mounting configuration allows for efficient installation in compatible systems, while dual-break rotating contacts help reduce peak fault current during short-circuit events, providing an added layer of protection for connected equipment.

Built to handle demanding operating conditions, the BJA36050 features a high interrupting capacity of up to 100kA at 240VAC and 65kA at 480VAC, making it a dependable choice for a wide range of power distribution applications. An integrated push-to-trip button simplifies testing and maintenance, helping technicians verify proper operation without additional tools.

Whether you're protecting HVAC equipment, motor loads, panelboards, switchboards, or other mission-critical electrical systems, the Schneider Electric BJA36050 PowerPacT circuit breaker offers the durability, safety, and performance needed to keep operations running smoothly.

Key Features and Benefits

• 50 Amp Current Rating: provides reliable protection for branch circuits, feeders, and electrical equipment.
• 3-Pole Configuration: designed for three-phase power distribution systems.
• Thermal-Magnetic Trip Unit: delivers dependable overload and short-circuit protection.
• I-Line Mounting Design: enables fast installation in compatible Schneider Electric I-Line systems.
• Dual-Break Rotating Contacts: help limit peak fault current during short-circuit events.
• Integral Push-to-Trip Button: simplifies breaker testing and maintenance procedures.
• High Interrupting Capacity: rated up to 100kA at 240VAC and 65kA at 480VAC.
• Accessory Compatibility: supports auxiliary switches, alarm switches, and voltage release modules.
• HACR Rated: for heating, air conditioning, and refrigeration applications.
• Compact B-Frame Construction: helps maximize available panel space while maintaining high performance.
• Suitable for Isolation: in accordance with IEC 60947-2 requirements.

Technical Specifications

• Manufacturer: Schneider Electric
  
• Product Line: PowerPacT B
  
• Catalog Number: BJA36050
  
• Product Type: Circuit Breaker
  
• Frame Type: B-Frame
  
• Current Rating: 50A
  
• Number of Poles: 3 Pole
  
• Trip Unit Technology: Thermal-Magnetic
  
• Mounting Type: I-Line
  
• Line Connection: I-Line Plug-On
  
• Load Connection: Mechanical Lugs
  
• Rated Operational Voltage: 690VAC
  
• Frequency: 50/60 Hz
  
• Continuous Current Rating: 80%
  
• Rated Insulation Voltage (Ui): 800V
  
• Impulse Withstand Voltage (Uimp): 8kV
  
• Interrupting Rating:
  • 100kA @ 208Y/120VAC
  • 100kA @ 240VAC
  • 65kA @ 480/277VAC
  • 65kA @ 480VAC
  • 25kA @ 600Y/347VAC
  • 50kA @ 250VDC
• Phase Connection: ABC
  
• Wire Range: AWG 14 to 2/0 Copper or Aluminum
  
• Mechanical Durability: 20,000 Cycles
  
• Electrical Durability: 10,000 Cycles at 440V
  
• Connection Pitch: 1.06 in. (27 mm)
  
• Dimensions:
  • Height: 5.4"
  • Width: 3.2"
  • Depth: 3.5"
• Weight: 2.9 lbs
  

Material Compliance and Certifications

The Schneider Electric BJA36050 PowerPacT B circuit breaker is manufactured and tested to meet stringent North American and international electrical safety standards. These certifications help ensure dependable performance, regulatory compliance, and safe operation across a wide range of commercial and industrial applications.

• UL Listed
• CSA Certified
• IEC Certified
• CCC Certified
• EAC Certified
• NOM Certified
• CE Marked
• UL 489
• CSA C22.2 No. 5
• IEC/EN 60947-2
• IEC/EN 60947-5-1
• NEMA AB1
• NMX J-266
• GB 14048.2

Where It Works Best

• Commercial office buildings
• Manufacturing and industrial facilities
• HVAC and refrigeration systems
• Motor protection applications
• Distribution panels and panelboards
• Switchboards and switchgear assemblies
• Schools, hospitals, and institutional facilities
• Utility support equipment
• Infrastructure projects requiring reliable overcurrent protection