BQ3B030 - 30Amp Circuit Breaker

BQ3B030 - 30Amp Circuit Breaker

Keep your three-phase electrical systems running safely with the Siemens BQ3B030. This 30 amp, 3-pole molded case circuit breaker is designed for dependable branch circuit protection in commercial and industrial applications. With a common-trip design, all three poles disconnect at the same time if an overload or short circuit occurs, helping prevent damage to your equipment. Rated for 240VAC and a 10 kA interrupting capacity, it fits seamlessly into compatible Siemens Type BQ panelboards. The bolt-on mounting and included load-side lugs make installation straightforward, making it a reliable choice for maintaining or replacing breakers in existing electrical distribution setups.

Key Features and Benefits

• Siemens Type BQ molded case circuit breaker
• 30 Amp current rating
• 3-pole common-trip design
• Rated for 240VAC electrical systems
• 10 kA interrupting capacity (AIC)
• Bolt-on mounting for secure panel installation
• Load-side lugs included for easy wiring
• Designed for branch circuit protection in commercial and industrial setups
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: BQ3B030
  
• Product Type: Molded Case Circuit Breaker
  
• Breaker Family: BQ
  
• Number of Poles: 3
  
• Amperage Rating: 30 Amps
  
• Voltage Rating: 240 VAC
  
• Interrupting Rating: 10 kAIC
  
• Trip Type: Common Trip
  
• Mounting Type: Bolt-On
  
• Dimensions: 3 in. W × 3 in. H × 4 in. D
  
• Net Weight: 1.014 lb.
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• UL 489 Listed
• Built for low-voltage electrical distribution and branch circuit protection
  
• Active Siemens product

Where It Works Best

• The BQ3B030 is commonly used in commercial buildings, manufacturing facilities, warehouses, and other three-phase electrical systems. Typical applications include motor circuits, HVAC equipment, control panels, and other 240-volt loads that need reliable 30-amp, 3-pole protection. Its common-trip operation and bolt-on installation make it a straightforward replacement or maintenance option for compatible Siemens panelboards.