BGA36125 - 125Amp Circuit Breaker

BGA36125 - 125Amp Circuit Breaker

The Schneider Electric BGA36125 is a 125-amp, 3-pole PowerPacT B circuit breaker for use in commercial and industrial power distribution systems. It provides you with thermal-magnetic protection against overload and short-circuit conditions and is configured for installation in compatible I-Line panelboards.

Key Features and Benefits

• 125A continuous current rating
• 3-pole configuration
• Thermal-magnetic trip unit
• I-Line mounting design
• ABC phase connection
• Dual-break rotating contacts
• Integral push-to-trip button
• HACR rated
• Compact PowerPacT B-frame construction
• Supports auxiliary switches, alarm switches, and voltage release accessories
• Suitable for isolation per IEC 60947-2
• Designed for electrical distribution applications

Technical Specifications

• Manufacturer: Schneider Electric
• Catalog Number: BGA36125
• Series: PowerPacT B
• Device Short Name: BG 125
• Product Type: Molded Case Circuit Breaker
• Amperage Rating: 125A
• Number of Poles: 3
• Trip Technology: Thermal-Magnetic
• Mounting Type: I-Line
• Control Type: Toggle
• Rated Operational Voltage: 525VAC
• Frequency: 50/60Hz
• Continuous Current Rating: 80%
• Interrupting Capacity:
  • 65kA at 208Y/120VAC
  • 65kA at 240VAC
  • 35kA at 480VAC
  • 35kA at 480/277VAC
  • 18kA at 600Y/347VAC
  • 20kA at 250VDC
• Rated Service Breaking Capacity (Ics):
  • 65kA at 220–240VAC
  • 35kA at 380–415VAC
  • 35kA at 440VAC
  • 18kA at 500–525VAC
• Rated Insulation Voltage (Ui): 800V
• Rated Impulse Withstand Voltage (Uimp): 8kV
• Electrical Connection:
  • I-Line connection (line side)
  • Mechanical lugs (load side)
• Wire Range: AWG 14 to AWG 2/0 aluminum or copper
• Mechanical Durability: 20,000 cycles
• Electrical Durability: 10,000 cycles
• Phase Connection: ABC
• Dimensions: 5.4 in. H × 3.2 in. W × 3.5 in. D
• Weight: 2.899 lb.
• Color: Gray (RAL 7016)
• Country of Origin: Mexico

Material Compliance and Certifications

• UL 489 Listed
• CSA Certified
• IEC Compliant
• NOM Certified
• CE Marked
• EAC Certified
• CCC Certified
• NEMA AB1 Compliant
• NMX J-266 Compliant
• IEC 60947-2 Compliant
• IEC 60947-5-1 Compliant
• GB 14048.2 Compliant
• Front Cover Protection: IP40 (IEC 60529)
• Impact Protection Rating: IK07 (IEC 62262)
• Pollution Degree 3 Rated

Where It Works Best

• The BGA36125 is used in commercial buildings, manufacturing facilities, schools, healthcare campuses, retail locations, and other electrical distribution systems utilizing I-Line panelboards. Applications include breaker replacement projects, panel modifications, equipment upgrades, and new construction where matching amperage, interrupting capacity, and mounting style are required. Its HACR rating also allows its use in HVAC and refrigeration applications that require branch circuit protection.