B330 - 30Amp Circuit Breaker

B330 - 30Amp Circuit Breaker

The Siemens B330 circuit breaker is a solid everyday choice for protecting your three-phase electrical systems in commercial and industrial settings. Rated at 30 amps for 240V applications, this 3-pole Type BL breaker helps protect your wiring, panels, and connected equipment from overloads and short circuits while keeping power distribution running smoothly. Its thermal magnetic trip design responds to both long-term overloads and sudden fault conditions, helping you reduce the risk of damage to electrical systems and equipment. Whether it’s installed in a commercial building, industrial workspace, or OEM equipment panel, the Siemens B330 delivers dependable circuit protection trusted by electricians and maintenance professionals alike.

Key Features and Benefits

• 30 amp molded case circuit breaker: Designed for dependable protection in commercial and industrial electrical systems.
• 3-pole configuration for 240V systems: Suitable for three-phase electrical distribution applications.
• Type BL breaker design: Built for compatible Siemens panelboards and distribution equipment.
• 10kA interrupting capacity: Helps provide dependable fault protection in everyday applications.
• Thermal magnetic trip protection: Responds to both long-term overloads and sudden fault conditions.
• Bolt-on mounting style: Provides a secure fit for installation and replacement work.
• Helps protect against overloads and short circuits: Helps reduce the risk of damage to electrical systems and equipment.
• Compact design for panelboard applications: Helps save space inside electrical panels and control equipment.
• Suitable for commercial and industrial electrical systems: Commonly used in commercial buildings and industrial workspaces.
• UL 489 listed: Built for low-voltage electrical distribution systems.
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: B330
  
• Product Type: Molded Case Circuit Breaker
  
• Breaker Series: BL
  
• Amperage Rating: 30 Amps
  
• Number of Poles: 3 Pole
  
• Voltage Rating: 240 VAC
  
• Interrupt Rating: 10kAIC
  
• Trip Type: Thermal Magnetic
  
• Connection Type: Bolt-On
  
• Application: Electrical Distribution
  
• Standard: UL 489
  
• Dimensions:
  • Depth: Approx. 4 in
  • Height: Approx. 2 in
  • Width: Approx. 3 in
• Net Weight: 0.948 lb
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• UL 489 Standards: The Siemens B330 circuit breaker is manufactured to meet UL 489 standards for molded case circuit breakers used in low-voltage electrical distribution systems.
  

Where It Works Best

• Commercial electrical panels
• Light industrial distribution systems
• Three-phase electrical equipment
• Branch circuit protection
• OEM machinery panels
• Industrial control systems
• Facility maintenance and upgrade projects
• Electrical distribution equipment