BJA36040 - 40Amp Circuit Breaker

BJA36040 - 40Amp Circuit Breaker

When your dependable circuit protection is critical, the Schneider Electric BJA36040 PowerPacT™ B circuit breaker delivers the performance needed to keep your electrical systems operating safely and efficiently. Designed for commercial, industrial, and institutional power distribution applications, this 40 Amp, 3-pole thermal-magnetic circuit breaker helps protect conductors, feeders, branch circuits, and connected equipment from damaging overloads and short-circuit conditions. Its compact PowerPacT B-Frame design makes it an excellent choice when panel space is at a premium while still providing the reliability electrical professionals expect in demanding environments.

Built with Schneider Electric's dual-break rotating contact technology, the BJA36040 helps reduce peak current during fault events, contributing to improved system protection and helping extend the life of connected equipment. The breaker features an I-Line mounting configuration with a shrouded plug-on jaw for streamlined installation in compatible I-Line distribution equipment.

Key Features and Benefits

• 40 Amp Continuous Current Rating for protecting branch circuits, feeders, and electrical equipment.
• 3-Pole Configuration designed for three-phase power distribution systems.
• Thermal-Magnetic Trip Unit provides dependable protection against both overloads and short circuits.
• I-Line Mounting Design allows quick installation in compatible Schneider Electric I-Line equipment.
• Dual-Break Rotating Contacts help limit peak fault current during short-circuit events.
• Integral Push-to-Trip Button enables convenient functional testing and maintenance verification.
• High Interrupting Capacity with ratings up to 100kA at 240VAC and 65kA at 480VAC.
• Accessory Compatibility supports auxiliary switches, alarm switches, and voltage release modules.
• HACR Rated for use in heating, air conditioning, and refrigeration applications.
• Compact B-Frame Construction helps maximize available panel space.

Technical Specifications

• Manufacturer: Schneider Electric
  
• Product Line: PowerPacT B
  
• Catalog Number: BJA36040
  
• Device Type: Circuit Breaker
  
• Frame Type: B-Frame
  
• Current Rating: 40A
  
• Number of Poles: 3 Pole
  
• Trip Unit: Thermal-Magnetic
  
• Mounting Type: I-Line
  
• Line Connection: I-Line Plug-On
  
• Load Connection: Mechanical Lugs
  
• Rated Operational Voltage: Up to 690VAC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 100kA @ 208Y/120VAC; 100kA @ 240VAC; 65kA @ 480VAC; 25kA @ 600Y/347VAC
  
• DC Interrupting Rating: 50kA @ 250VDC
  
• Continuous Current Rating: 80%
  
• Insulation Voltage (Ui): 800V
  
• Impulse Withstand Voltage (Uimp): 8kV
  
• Phase Connection: ABC
  
• Wire Range: AWG 14 to 2/0 Copper or Aluminum
  
• Dimensions (H x W x D): 5.4" x 3.2" x 3.5"
  
• Weight: 2.9 lbs
  

Material Compliance and Certifications

The Schneider Electric BJA36040 PowerPacT B circuit breaker is manufactured to meet recognized North American and international safety and performance standards. It is certified and tested for use in demanding electrical distribution environments and complies with:

• 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 buildings and office facilities
• Manufacturing and processing plants
• HVAC and refrigeration equipment
• Motor control systems
• Distribution equipment and switchgear
• Power distribution panels
• Institutional and educational facilities
• Infrastructure and utility support systems