BQD6270 - 70Amp Circuit Breaker

BQD6270 - 70Amp Circuit Breaker

When dependable circuit protection is essential, the Siemens BQD6270 delivers the performance electrical professionals expect in demanding commercial and industrial environments. Designed for use in 347/600VAC electrical distribution systems, this 2-pole, 70-amp molded case circuit breaker helps protect equipment and circuits from damaging overloads and short circuits before they can lead to costly downtime or repairs.

Whether you're maintaining an existing facility, upgrading electrical infrastructure, or replacing a failed breaker, this model offers a practical solution for keeping power distribution systems operating safely and efficiently.

Key Features and Benefits

• 70-amp continuous current rating
• Two-pole circuit breaker configuration
• Rated for 600/347VAC electrical systems
• Thermal-magnetic trip unit for overload and short-circuit protection
• 10kA interrupting capacity (10kAIC)
• Panelboard mounting design
• Low-tab electrical connections
• Molded case construction for long service life
• Suitable for 50/60 Hz power systems
• Designed for commercial and industrial power distribution applications

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: BQD6270
  
• Series: BQD6
  
• Product Type: Molded Case Circuit Breaker
  
• Number of Poles: 2
  
• Current Rating: 70 Amps
  
• Voltage Rating: 600/347 VAC
  
• Frequency Rating: 50/60 Hz
  
• Interrupting Capacity: 10 kAIC
  
• Frame Size: 100 Amps
  
• Trip Unit Type: Thermal Magnetic
  
• Mounting Type: Panelboard Mount
  
• Connection Type: Low Tab
  
• Enclosure Material: Molded Case
  
• Dimensions:
  • Height: 2 in.
  • Width: 3 in.
  • Depth: 4 in.
• Net Weight: 1.1 lb
  
• Maximum Ambient Operating Temperature: 40°C
  
• UPC: 783643304529
  

Material Compliance and Certifications

The Siemens BQD6270 is manufactured to meet recognized industry standards for low-voltage circuit protection and is certified to:

• UL 489
• CSA C22.2
  
• RoHS compliant
• REACH information available from the manufacturer
• WEEE take-back obligations applicable
  

Where It Works Best

• The Siemens BQD6270 is commonly used in panelboards serving lighting systems, branch circuits, feeder circuits, and general power distribution equipment. You'll often find it installed in office buildings, schools, healthcare facilities, retail centers, warehouses, manufacturing plants, and other commercial or industrial properties operating on 347/600VAC electrical systems. It is also a practical choice for facility upgrades, maintenance projects, and replacement applications where matching existing Siemens panelboard equipment is important.