B140 - 40Amp Circuit Breaker

B140 - 40Amp Circuit Breaker

The Siemens B140 BL 40A 1-Pole 120V Circuit Breaker is a reliable choice for keeping your electrical system safe. It features a thermal-magnetic trip that reacts quickly to overloads and short circuits, ensuring you’re protected.The compact design makes it easy to install in panelboards without any fuss. Whether you're using it for lighting circuits, appliances, or HVAC systems, the B140 delivers dependable performance you can rely on.

Key Features and Benefits

• Single-pole, 40A breaker for everyday circuits
• Thermal-magnetic trip for quick overload and short-circuit response
• 10kA interrupt rating for reliable protection
• Compact, panelboard-friendly bolt-on design
• Lightweight and easy to install

Technical Specifications

• Type: BL Molded Case Circuit Breaker
• Poles: 1P
• Voltage: 120V AC
• Amperage: 40A
• Interrupt Rating: 10,000A
• Trip Mechanism: Thermal Magnetic
• Dimensions: 2.571" x 1.00" x 2.89"
• UL 489 Listed

Material Compliance and Certifications

• UL Listed and compliant with REACH and RoHS standards for safe, long-term performance.

Where It Works Best

• Panelboard-mounted systems
• Homes
• Offices
• Light industrial setups
• Lighting circuits, appliances, and HVAC systems