BJA36045 - 45Amp Circuit Breaker

BJA36045 - 45Amp Circuit Breaker

When your reliable circuit protection is critical, the Schneider Electric BJA36045 PowerPacT™ B circuit breaker delivers the performance electrical professionals depend on. Designed for your commercial, industrial, and institutional power distribution systems, this 45 Amp, 3-pole thermal-magnetic circuit breaker helps protect electrical equipment and circuits from damaging overloads and short circuits before they can lead to costly downtime or repairs.

Part of Schneider Electric's trusted PowerPacT B-Frame family, the BJA36045 combines a space-saving footprint with the protection capabilities required for demanding applications. Its thermal-magnetic trip unit responds quickly to fault conditions while maintaining dependable operation during normal system loads. The breaker also features Schneider Electric's dual-break rotating contact design, which helps limit peak fault current during short-circuit events, providing an added layer of protection for connected equipment.

Key Features and Benefits

• 45 Amp Continuous Current Rating for dependable protection of branch circuits, feeders, and electrical equipment.
• 3-Pole Design ideal for three-phase electrical distribution systems.
• Thermal-Magnetic Trip Unit provides reliable overload and short-circuit protection.
• I-Line Mounting Configuration enables quick installation in compatible Schneider Electric I-Line equipment.
• Dual-Break Rotating Contacts help reduce peak fault current during short-circuit events.
• Integrated Push-to-Trip Button simplifies routine testing and maintenance procedures.
• High Interrupting Capacity rated up to 100kA at 240VAC and 65kA at 480VAC.
• Accessory Ready Design 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 panelboard and distribution equipment space.
• Suitable for Isolation in accordance with IEC 60947-2 requirements.

Technical Specifications

• Manufacturer: Schneider Electric
  
• Product Line: PowerPacT B
  
• Catalog Number: BJA36045
  
• Device Type: Circuit Breaker
  
• Frame Type: B-Frame
  
• Current Rating: 45A
  
• 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: 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%
  
• Rated Insulation Voltage (Ui): 800V
  
• Impulse Withstand Voltage (Uimp): 8kV
  
• 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 BJA36045 PowerPacT B circuit breaker is manufactured and tested to meet widely recognized North American and international safety and performance standards for electrical distribution equipment. It is certified for use in demanding commercial and industrial environments and complies with the following standards and approvals:

• 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
• Industrial manufacturing facilities
• HVAC and refrigeration systems
• Motor control applications
• Distribution panels and panelboards
• Switchboards and switchgear assemblies
• Educational and institutional facilities
• Infrastructure and utility support systems
• Equipment requiring HACR-rated circuit protection