QSH2100 - 100Amp Circuit Breaker

QSH2100 - 100Amp Circuit Breaker

When your electrical system demands dependable circuit protection, the QSH2100 2-pole 100-amp thermal magnetic circuit breaker is built to deliver. Designed for 120/240VAC, 60Hz electrical systems, this breaker combines reliable overload and short-circuit protection with a high 42kA interrupting capacity, making it a solid choice for commercial, industrial, and demanding residential applications. Whether you're replacing an existing breaker or completing a new installation, the QSH2100 helps protect valuable electrical equipment while keeping your distribution system operating safely and efficiently. Its thermal magnetic trip mechanism responds to both sustained overload conditions and sudden fault currents, helping reduce the risk of equipment damage and costly downtime. The HACR Type rating also makes it suitable for compatible heating, air conditioning, and refrigeration equipment. Installation is made easier with support for both copper and aluminum conductors ranging from #3 AWG to 300 kcmil, giving electricians and maintenance professionals the flexibility they need across a variety of applications. When dependable performance and high fault-current protection matter, the QSH2100 is a practical solution that professionals can count on.

Key Features and Benefits

• 100 Amp Circuit Protection: Provides reliable 100-amp circuit protection for 120/240VAC electrical systems.
• 2-Pole Design: 2-pole design for applications requiring simultaneous disconnect of two conductors.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism protects against both overloads and short circuits.
• 42kA Interrupting Capacity: 42kA interrupting capacity helps safeguard equipment in systems with higher available fault current.
• HACR Type Rated: HACR Type rated for compatible heating, air conditioning, and refrigeration equipment.
• 60Hz Compatibility: Compatible with 60Hz electrical systems.
• Flexible Conductor Range: Accepts #3 AWG through 300 kcmil copper or aluminum conductors.
• Compact Design: Compact design allows for straightforward installation and replacement in compatible panelboards.
  

Technical Specifications

• Part Number: QSH2100
  
• Type: QSHH
  
• Poles: 2
  
• Current Rating: 100 Amps
  
• Voltage: 120/240VAC
  
• Interrupting Rating: 42kA @ 120/240VAC
  
• Frequency: 60Hz
  
• Trip Type: Thermal Magnetic
  
• HACR Rated: Yes
  
• Wire Range: #3 AWG – 300 kcmil Copper/Aluminum
  
• Operating Temperature: 40°C
  
• Dimensions:
  • Height: 7.88 in.
  • Width: 2.13 in.
  • Depth: 3.00 in.

Material Compliance and Certifications

• Application and Compliance: The QSH2100 is a thermal magnetic circuit breaker designed for 120/240VAC, 60Hz electrical systems and carries a HACR Type classification for compatible HVAC applications. It is designed for use with both copper and aluminum conductors within a wire range of #3 AWG to 300 kcmil. For optimal performance and safety, installation should always follow applicable electrical codes and manufacturer guidelines.
  

Where It Works Best

• The QSH2100 is well-suited for a wide range of electrical distribution applications where dependable 100-amp overcurrent protection is required. It is commonly installed in commercial buildings, industrial facilities, manufacturing equipment, distribution panels, HVAC systems, and larger residential electrical services. Its combination of a 42kA interrupting rating, thermal magnetic protection, and HACR classification makes it an excellent choice for environments where reliable circuit protection is essential to keeping electrical systems operating safely.