B340HH - 40Amp Circuit Breaker

B340HH - 40Amp Circuit Breaker

The Siemens B340HH 40 Amp 3-Pole Circuit Breaker is designed for commercial and industrial electrical systems that need reliable protection in higher fault current environments. Rated for 240VAC with a 65kA interrupting capacity, this molded case circuit breaker helps protect your circuits and connected equipment from overloads and short circuits that can lead to downtime or equipment damage. Its bolt-on mounting design provides a secure connection in compatible panelboards and electrical distribution equipment. The breaker is also HACR rated, making it suitable for HVAC systems, refrigeration equipment, motor control applications, and other demanding electrical systems where dependable protection is important for daily operation.

Key Features and Benefits

• 40 amp molded case circuit breaker: Designed for commercial and industrial electrical systems requiring dependable protection.
• 3-pole configuration for three-phase systems: Suitable for three-phase electrical distribution applications.
• 65kA interrupting capacity at 240VAC: Helps provide protection in higher fault current environments.
• HACR rated for HVAC and refrigeration applications: Suitable for heating, air conditioning, and refrigeration equipment systems.
• Thermal magnetic trip protection: Helps protect against overloads and short circuits during operation.
• Bolt-on mounting style for secure installation: Provides a secure connection in compatible panelboards and electrical distribution equipment.
• Compact design for panelboard applications: Helps save space inside electrical panels.
• Suitable for commercial and industrial electrical systems: Built for dependable low-voltage electrical distribution applications.
  

Technical Specifications

• Manufacturer: Siemens
  
• Part Number: B340HH
  
• Type: HBL
  
• Product Type: Molded Case Circuit Breaker
  
• Amperage Rating: 40 Amps
  
• Number of Poles: 3
  
• Voltage Rating: 240VAC
  
• Interrupt Rating: 65kA @ 240VAC
  
• Mounting Style: Bolt-On
  
• Trip Type: Thermal Magnetic
  
• HACR Rated: Yes
  
• Dimensions:
  • Height: 3.75 in.
  • Width: 3.0 in.
  • Depth: 2.38 in.
• Temperature Reference: 40°C
  

Material Compliance and Certifications

• HACR Rated: The Siemens B340HH circuit breaker is manufactured for low-voltage electrical distribution and protection applications and is HACR rated for heating, air conditioning, and refrigeration equipment systems.
  

Where It Works Best

• Commercial buildings
• Industrial facilities
• HVAC and refrigeration systems
• Motor control centers
• Electrical distribution panels
• Control panels
• Manufacturing equipment
• OEM machinery
• Three-phase electrical systems
• High fault-current applications