QN2175R - 175Amp Circuit Breaker

QN2175R - 175Amp Circuit Breaker

The QN2175R is a 2-pole, 175-amp thermal magnetic circuit breaker designed to provide dependable overcurrent and short-circuit protection for your compatible residential electrical distribution systems. Featuring a plug-in design and a reversed handle configuration, this QNR Type residential main breaker is built for applications requiring a high-capacity main disconnect in 120/240VAC systems. Its thermal magnetic trip mechanism responds to both sustained overloads and sudden fault currents, helping you protect electrical equipment and branch circuits while supporting safe, reliable system operation. Rated for 10,000 AIC at 120/240VAC, the QN2175R is suitable for demanding residential and light commercial installations that require a 175-amp main breaker. Designed for operation at 40°C, 50/60Hz, and classified as HACR Type, this breaker requires four panel spaces for installation, making it an excellent choice for compatible load centers and panelboards where dependable circuit protection is essential.

Key Features and Benefits

• Part Number: QN2175R
• 175 Amp continuous current rating: For high-capacity residential main applications.
• 2-pole configuration: For 120/240VAC electrical systems.
• 10k AIC interrupting rating: At 120/240VAC.
• Thermal magnetic trip mechanism: Helps protect against overloads and short circuits.
• QNR Type circuit breaker:
• Plug-in design: For compatible panel installation.
• Reversed handle configuration: For designated panel applications.
• HACR Type rated:
• Designed for 40°C operating environments:
• 50/60Hz operation:
• Panel space requirement: Requires 4 panel spaces.
  

Technical Specifications

• Part Number: QN2175R
  
• Type: QNR
  
• Poles: 2
  
• Amperage: 175 Amps
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10kA @ 120/240VAC
  
• Trip Unit: Thermal Magnetic
  
• Mounting Style: Plug-In
  
• Application: Residential Main
  
• Frequency: 50/60Hz
  
• Operating Temperature: 40°C
  
• Handle Style: Reversed Handle
  
• Panel Space Requirement: 4 Spaces
  
• Dimensions:
  • Height: 6.44 in.
  • Width: 2.00 in.
  • Depth: 2.38 in.

Material Compliance and Certifications

• HACR Type rated:
• Designed for 120/240VAC, 50/60Hz electrical systems:
• Thermal magnetic overcurrent protection:
• Manufacturing and installation: Manufactured for use in compatible electrical distribution equipment and installed in accordance with applicable electrical codes and manufacturer requirements.
  

Where It Works Best

• The QN2175R is well suited for compatible residential load centers and panelboards that require a 175-amp main circuit breaker with a plug-in mounting design and reversed handle configuration. It is ideal for protecting residential electrical service entrances and other compatible 120/240VAC power distribution systems where dependable overload and short-circuit protection is essential. Its 10k AIC rating, thermal magnetic trip operation, and four-space design make it a practical solution for high-capacity residential electrical installations.