BJA36090 - 90Amp Circuit Breaker

BJA36090 - 90Amp Circuit Breaker

The Schneider Electric BJA36090 PowerPacT™ B Circuit Breaker is a dependable solution for protecting your commercial and industrial electrical distribution systems from overloads and short circuits. Rated at 90 amps with a 3-pole configuration, this thermal-magnetic molded case circuit breaker is engineered for reliable performance in demanding power distribution applications. Its compact PowerPacT B-frame design helps maximize valuable panel space while delivering the protection required for feeders, branch circuits, motor loads, HVAC systems, and other three-phase electrical equipment.

The breaker features an I-Line connection on the line side for quick installation in compatible I-Line panelboards and switchboards, along with mechanical lugs on the load side for secure field wiring. An integral push-to-trip button allows technicians to manually test breaker operation during maintenance and inspection procedures. With interrupting ratings up to 100kA at select voltage levels, HACR certification, and compliance with major North American and international standards, the BJA36090 is a versatile circuit protection solution for a wide range of commercial and industrial power distribution applications.

Key Features and Benefits

• 90 amp current rating: for commercial and industrial electrical distribution systems.
• 3-pole design: for three-phase power applications.
• Thermal-magnetic trip unit: provides dependable overload and short-circuit protection.
• Compact PowerPacT B-frame construction: helps conserve panel space.
• I-Line mounting configuration: allows fast installation and replacement in compatible equipment.
• Dual-break rotating contacts: help reduce peak fault current during fault events.
• Integral push-to-trip button: simplifies routine operational testing.
• Interrupting capacity up to 100kA: at select voltage ratings.
• HACR rated: for heating, ventilation, air conditioning, and refrigeration applications.
• Suitable for feeder, branch circuit, motor, and equipment protection.
• Accepts auxiliary switches, alarm switches, and voltage release accessories.
• Designed for long service life: with high mechanical and electrical durability.
  

Technical Specifications

• Catalog Number: BJA36090
  
• Manufacturer: Schneider Electric
  
• Product Line: PowerPacT™ B
  
• Product Type: Molded Case Circuit Breaker
  
• Device Short Name: BJ 090
  
• Frame Type: B-Frame
  
• Ampere Rating: 90 Amps
  
• Number of Poles: 3 Pole
  
• Trip Unit Technology: Thermal-Magnetic
  
• Mounting Type: I-Line
  
• Continuous Current Rating: 80%
  
• Control Type: Toggle
  
• Rated Operational Voltage: Up to 690 VAC
  
• Network Frequency: 50/60 Hz
  
• Phase Connection: ABC
  
• Breaking Capacity:
  • 100 kA at 208Y/120 VAC
  • 100 kA at 240 VAC
  • 65 kA at 480/277 VAC
  • 65 kA at 480 VAC
  • 25 kA at 600Y/347 VAC
  • 50 kA at 250 VDC
• Rated Service Breaking Capacity (IEC):
  • 100 kA at 220–240 VAC
  • 65 kA at 380–415 VAC
  • 65 kA at 440 VAC
  • 25 kA at 500–525 VAC
  • 10 kA at 690 VAC
• Rated Insulation Voltage (Ui): 800 V
  
• Rated Impulse Withstand Voltage (Uimp): 8 kV
  
• Electrical Connections:
  • Line Side: I-Line Connection
  • Load Side: Mechanical Lugs
• Wire Range: AWG 14 to AWG 2/0 Copper or Aluminum
  
• Connection Pitch: 1.06 in. (27 mm)
  
• Mechanical Durability: 20,000 Operations
  
• Electrical Durability: 10,000 Operations at 440V
  
• Mounting Height: 4.5 in.
  
• Dimensions:
  • Height: 5.4 in.
  • Width: 3.2 in.
  • Depth: 3.5 in.
• Product Weight: 2.899 lbs.
  
• Color: Gray (RAL 7016)
  

Material Compliance and Certifications

The BJA36090 PowerPacT B Circuit Breaker is manufactured to meet stringent industry standards for low-voltage power distribution and circuit protection. These certifications help ensure dependable performance, regulatory compliance, and compatibility across a broad range of commercial and industrial installations.

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

Where It Works Best

• The Schneider Electric BJA36090 is well-suited for commercial buildings, industrial facilities, manufacturing plants, healthcare campuses, educational institutions, data centers, municipal infrastructure, and large-scale HVAC installations. Common applications include panelboards, switchboards, feeder circuits, branch circuits, motor protection, refrigeration equipment, air handling systems, and general electrical distribution networks.