QS2225HH - 225A Circuit Breaker

QS2225HH - 225A Circuit Breaker

When your electrical system calls for dependable protection in demanding environments, the QS2225HH 225 Amp 2-Pole Thermal Magnetic Circuit Breaker delivers the performance professionals count on. Designed as a Type HQS circuit breaker, it provides reliable overcurrent and short-circuit protection for commercial and industrial electrical systems operating at 120/240VAC. With an impressive 65kA interrupting capacity, this breaker is built for applications where higher available fault currents require a greater level of protection. Its thermal magnetic trip mechanism responds automatically to prolonged overloads and sudden short circuits, helping protect valuable electrical equipment while reducing the risk of unnecessary downtime. Rated for 60Hz operation, HACR applications, and 40°C ambient conditions, the QS2225HH is a practical choice for everything from electrical distribution equipment to qualifying HVAC installations. It also accepts #3 AWG through 300 kcmil copper or aluminum conductors, giving electricians added flexibility during installation or replacement projects. Whether you're replacing an existing breaker during scheduled maintenance or completing a system upgrade, the QS2225HH combines dependable performance with the electrical ratings needed for demanding applications. It's a straightforward solution when safety, reliability, and consistent protection matter most.

Key Features and Benefits

• 225 Amp Current Rating: 225 Amp continuous current rating for high-capacity electrical systems.
• 2-Pole Design: 2-pole design protects 120/240VAC circuits.
• 65kA Interrupting Capacity: 65kA interrupting capacity helps safely clear high fault current conditions.
• Thermal Magnetic Trip Unit: Thermal magnetic trip unit provides dependable protection against overloads and short circuits.
• Type HQS Circuit Breaker: Type HQS circuit breaker for compatible electrical distribution equipment.
• HACR Rated: HACR rated for qualifying heating, air conditioning, and refrigeration applications.
• 60Hz, 40°C Rated: Rated for 60Hz operation in 40°C ambient environments.
• Flexible Conductor Range: Accepts #3 AWG to 300 kcmil copper or aluminum conductors for installation flexibility.
• Commercial and Industrial Applications: Built to support reliable operation in commercial and industrial power distribution systems.
  

Technical Specifications

• Part Number: QS2225HH
  
• Type: HQS
  
• Poles: 2
  
• Amperage: 225 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Capacity: 65kA @ 120/240VAC
  
• Frequency: 60Hz
  
• Trip Type: Thermal Magnetic
  
• HACR Rated: Yes
  
• Ambient Temperature Rating: 40°C
  
• Wire Range: #3 AWG–300 kcmil Copper/Aluminum
  
• Dimensions:
  • Height: 7.88 in.
  • Width: 2.13 in.
  • Depth: 3.00 in.

Material Compliance and Certifications

• Thermal Magnetic Protection: Thermal magnetic circuit breaker design for dependable overload and short-circuit protection.
• 60Hz Rated: Rated for 60Hz electrical systems.
• HACR Rated: HACR rated for qualifying HVAC and refrigeration equipment.
• Conductor Compatibility: Compatible with copper and aluminum conductors (#3 AWG–300 kcmil).
• Type HQS Specifications: Manufactured to the specifications associated with Type HQS circuit breaker applications.
  

Where It Works Best

• The QS2225HH is well suited for commercial buildings, industrial facilities, institutional properties, and other electrical distribution systems where a 225 amp, 2-pole circuit breaker with a 65kA interrupting rating is required. It's commonly used in compatible panelboards and switchboards serving large electrical loads, as well as qualifying HVAC and refrigeration equipment. Whether you're performing preventative maintenance, replacing a failed breaker, or upgrading an existing electrical system, the QS2225HH provides the dependable circuit protection needed to help keep your operation running safely and efficiently.