BQD3100 - 100Amp Circuit Breaker

BQD3100 - 100Amp Circuit Breaker

The Siemens BQD3100 is a 100-amp, 3-pole molded case circuit breaker designed to provide dependable overcurrent protection in commercial and industrial electrical distribution systems. Rated for 480/277VAC applications, this breaker helps protect your electrical equipment, branch circuits, and power distribution networks from overloads and short-circuit conditions. As part of the trusted Siemens BQD product family, this panelboard-mounted breaker is commonly installed in schools, office buildings, healthcare facilities, manufacturing plants, retail centers, and other facilities where reliable three-phase power distribution is required.

Key Features and Benefits

• 100 Amp current rating
  
• 3-pole configuration for three-phase systems
  
• Rated for 480/277VAC applications
  
• Thermal magnetic trip mechanism
  
• 14 kAIC interrupting capacity
  
• Molded case circuit breaker construction
  
• Panelboard mount design
  
• Low tab electrical connections
  
• Suitable for commercial and industrial power distribution
  
• Designed for branch circuit and feeder circuit protection
  
• Siemens BQD series construction
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: BQD3100
  
• Series: BQD
  
• Product Type: Molded Case Circuit Breaker
  
• Number of Poles: 3
  
• Current Rating: 100 Amps
  
• Voltage Rating: 480/277VAC
  
• Frequency Rating: 50/60 Hz
  
• Interrupting Capacity: 14 kAIC
  
• Trip Unit Type: Thermal Magnetic
  
• Mounting Style: Panelboard Mount
  
• Connection Type: Low Tab
  
• Frame Size: 100A
  
• Circuit Breaker Design: BQD
  
• Maximum Ambient Operating Temperature: 40°C
  
• Depth: 4 in.
  
• Width: 3 in.
  
• Height: 3 in.
  
• Net Weight: 1.92 lb.
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• UL 489 Listed
  
• CSA C22.2 Certified
  
• RoHS Compliant
  
• WEEE Compliant
  
• REACH Information Available
  
• Manufactured in accordance with applicable Siemens quality standards
  

Where It Works Best

• The Siemens BQD3100 is well suited for panelboard installations requiring 100-amp, three-phase circuit protection. Typical applications include commercial buildings, industrial facilities, educational campuses, healthcare environments, retail locations, and light manufacturing operations. It is commonly used to protect feeders, distribution equipment, HVAC systems, motor loads, lighting panels, and other critical electrical circuits operating on 480/277VAC systems.