BQ2B050 - 50Amp Circuit Breaker

BQ2B050 - 50Amp Circuit Breaker

When you need dependable protection for high-demand electrical circuits, the Siemens BQ2B050 circuit breaker delivers the performance and reliability professionals expect. This 50 amp, 2-pole Type BQ circuit breaker is engineered to safeguard electrical systems from overloads and short circuits, helping protect valuable equipment while supporting safe and efficient operation.

Whether you're replacing an existing breaker, performing maintenance, or completing a new installation, the Siemens BQ2B050 offers the confidence that comes from a trusted industry brand and a design built to meet UL 489 safety standards. Its compact footprint, reliable operation, and proven performance make it a practical solution for residential, commercial, and light industrial applications where consistent circuit protection is essential.

Key Features and Benefits

• Siemens Type BQ Molded Case Circuit Breaker: Designed for use in approved Siemens Type BQ equipment.
• 50 Amp Current Rating: Suitable for electrical systems requiring 50 amp overcurrent protection.
• 2-Pole Common-Trip Configuration: Trips both poles simultaneously during overload or short-circuit conditions.
• Rated for 120/240 VAC Applications: Compatible with standard residential, commercial, and industrial electrical systems.
• Bolt-On Mounting Design: Provides a secure installation within compatible electrical distribution equipment.
• 10 kAIC Interrupting Capacity: Designed to interrupt fault currents up to its rated capacity.
• Provides Protection Against Overloads and Short Circuits: Helps safeguard circuits and connected equipment.
• Designed for Electrical Distribution Systems: Suitable for branch circuit protection applications.
• Compatible with Approved Siemens Type BQ Equipment: Intended for installation in compatible Siemens load centers and panelboards.
• UL 489 Listed for Branch Circuit Protection: Meets recognized industry safety standards.
• Suitable for Residential, Commercial, and Light Industrial Applications: Versatile for a wide range of electrical installations.
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: BQ2B050
  
• Manufacturer Part Number (MFN): BQ2B050
  
• UPC: 783643102446
  
• Product Series: BQ
  
• Product Type: Molded Case Circuit Breaker
  
• Number of Poles: 2
  
• Current Rating: 50 Amps
  
• Voltage Rating: 120/240 VAC
  
• Interrupting Rating: 10 kAIC
  
• Trip Configuration: Common Trip
  
• Connection Type: Bolt-On
  
• Application: Electrical Distribution
  
• Standard: UL 489
  
• Dimensions:
  • Depth: 3 in.
  • Height: 2 in.
  • Width: 3 in.
• Net Weight: 0.28 kg
  
• Country of Origin: Mexico
  
• Life Cycle Status: Active Product
  

Material Compliance and Certifications

• Industry Standards: The Siemens BQ2B050 is manufactured for low-voltage electrical distribution applications and is tested to meet established industry safety requirements for branch circuit protection.
• UL 489 Listed: Certified for branch circuit protection applications.
• Export Classification: EAR99
• Dangerous Goods Classification: No
• WEEE Take-Back Obligation: No
• REACH Article 33 Information: Available from Manufacturer
  

Where It Works Best

• The Siemens BQ2B050 is well suited for protecting dedicated 120/240-volt branch circuits in residential, commercial, and industrial environments. Typical applications include HVAC systems, heat pumps, air conditioning condensers, electric water heaters, pumps, compressors, machine equipment, maintenance facilities, workshops, and general electrical distribution systems requiring a 50 amp, 2-pole circuit breaker.