QS2150H - 150Amp Circuit Breaker

QS2150H - 150Amp Circuit Breaker

When your electrical system demands dependable protection, the QS2150H 2-pole 150 amp circuit breaker delivers the performance professionals expect. Designed for 120/240VAC applications, this Type QSH thermal magnetic circuit breaker helps protect electrical equipment from damaging overloads and short circuits, giving you confidence that your power distribution system is protected when it matters most.

Whether you're replacing an existing breaker or maintaining commercial or industrial electrical equipment, the QS2150H combines a 150 amp rating, 22kA interrupting capacity, and thermal magnetic trip technology to provide reliable circuit protection under demanding operating conditions. It's also HACR rated for heating, air conditioning, and refrigeration equipment, making it a versatile choice for a wide variety of installations. With support for both copper and aluminum conductors ranging from #3 AWG to 300 kcmil, installation flexibility is built right in.

Built for 60Hz systems and rated for operation in 40°C ambient temperatures, the QS2150H is a dependable solution for electrical professionals who value consistent performance, long-term reliability, and quality overcurrent protection.

Key Features and Benefits

• 150 Amp Overcurrent Protection: Delivers 150 amp overcurrent protection for high-capacity electrical systems.
• 2-Pole Design: 2-pole design protects 120/240VAC circuits.
• 22kA Interrupting Capacity: 22kA interrupting capacity helps safely clear high fault currents.
• Thermal Magnetic Trip Mechanism: Thermal magnetic trip mechanism responds to both overloads and short circuits.
• HACR Rated: HACR rated for approved heating, air conditioning, and refrigeration applications.
• Wide Conductor Compatibility: Compatible with #3 AWG through 300 kcmil copper or aluminum conductors.
• 60Hz Operation: Designed for 60Hz electrical systems with a 40°C ambient temperature rating.
• Dependable Performance: Built for dependable operation in commercial, industrial, and demanding residential environments.
  

Technical Specifications

• Part Number: QS2150H
  
• Type: QSH
  
• Poles: 2
  
• Amperage: 150 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity: 22kA @ 120/240VAC
  
• Frequency: 60Hz
  
• Trip Type: Thermal Magnetic
  
• HACR Rated: Yes
  
• Ambient Temperature: 40°C
  
• Wire Range: #3–300 kcmil Copper or Aluminum
  
• Dimensions:
  • Height: 7.88 in.
  • Width: 2.13 in.
  • Depth: 3.00 in.

Material Compliance and Certifications

• HACR Rated and Low-Voltage Applications: The QS2150H is HACR rated and manufactured for use in low-voltage power distribution systems.
• 60Hz Operation: It is designed for 60Hz applications and accommodates both copper and aluminum conductors, making it suitable for a broad range of commercial and industrial electrical installations.
• Installation Requirements: Always install electrical equipment according to applicable electrical codes and the manufacturer's installation requirements.
  

Where It Works Best

• The QS2150H is an excellent fit for commercial buildings, industrial facilities, manufacturing equipment, HVAC systems, electrical distribution panels, and high-capacity residential service equipment that require a 150 amp, 2-pole circuit breaker. Its combination of a high 22kA interrupting rating, thermal magnetic protection, and flexible conductor compatibility makes it a practical solution for both replacement projects and new installations where dependable circuit protection is essential.