QR23B200 - 200 Amp Circuit Breaker

QR23B200 - 200 Amp Circuit Breaker

The Siemens QR23B200 molded case circuit breaker is built for dependable circuit protection in commercial and industrial electrical systems where steady performance matters. Designed as part of the Siemens QR breaker family, this 3-pole, 200-amp breaker combines thermal-magnetic trip technology with a compact frame that helps protect your electrical equipment from overloads and short circuits. Rated for 240V with a 10kA interrupting capacity, the QR23B200 is a practical choice for panelboards, distribution equipment, and demanding power distribution applications that require reliable overcurrent protection.

One detail contractors and maintenance teams appreciate is its no-lug configuration, which allows greater flexibility for custom installations or replacement projects. The breaker’s QR frame construction is engineered for consistent operation in standard 40°C environments, making it suitable for a wide range of indoor electrical applications. Whether you're maintaining existing Siemens equipment or upgrading a distribution system, the QR23B200 offers the durability and performance expected in professional electrical installations.

Key Features and Benefits

• 200A molded case circuit breaker for commercial and industrial applications
• 3-pole configuration for three-phase electrical systems
• Thermal-magnetic trip unit helps protect against overloads and short circuits
• Rated for 240V applications with 10kA interrupting capacity
• QR frame breaker designed for standard 40°C operating environments
• No lugs installed for installation flexibility
• Compact design helps simplify panel integration and replacement work
• Built by Siemens for dependable long-term circuit protection
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: QR23B200
  
• Product Type: Molded Case Circuit Breaker (MCCB)
  
• Frame Type: QR Frame
  
• Amperage Rating: 200A
  
• Poles: 3
  
• Voltage Rating: 240V AC
  
• Interrupting Rating: 10kA
  
• Trip Unit Type: Thermal-Magnetic
  
• Frequency: 50/60 Hz
  
• Operating Temperature Reference: Standard 40°C
  
• Lug Configuration: No lugs installed
  
• Dimensions:
  • Length: 7.087 in
  • Width: 4.331 in
  • Height: 3.937 in
• Weight: 4.519 lb
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• Siemens Active Product Status
• Export Control Classification: EAR99
• Commodity Code: 8536200020
• Designed to meet Siemens low-voltage molded case circuit breaker standards
  

Where It Works Best

• Commercial electrical distribution systems
• Industrial control panels and switchboards
• Three-phase power distribution equipment
• Manufacturing facilities and warehouses
• Electrical maintenance and retrofit projects
• OEM equipment installations
• Replacement breaker applications in compatible Siemens systems

The Siemens QR23B200 circuit breaker delivers the balance of protection, installation flexibility, and dependable operation that electrical professionals look for when working with critical power distribution equipment. Its proven thermal-magnetic protection design makes it a solid fit for applications where equipment safety and consistent performance are essential.