Square D QDA32175 I-Line Circuit Breaker – 175A – 3 Pole – 25kAIC – Thermal Magnetic – Q-Frame – 240VAC – Plug-On MCCB

The Square D QDA32175 is a molded case circuit breaker designed for industrial and commercial power distribution systems. Built on the Q-Frame platform, it provides dependable protection using thermal magnetic long-time and instantaneous (LI) trip functions. It is engineered for use in Square D I-Line panelboards and switchboards, offering plug-on installation and high fault interruption capability.

Electrical Ratings

• Current Rating: 175 A
• Voltage Rating: 240 VAC at 50/60 Hz
• Phase: 3 Phase
• Poles: 3 Pole
• Interrupting Rating: 25 kA @ 240 VAC (UL/CSA), 10 kA @ 240 VAC (IEC)
• Application: Power distribution systems (commercial/industrial)

Protection and Function

• Device Type: Molded case circuit breaker
• Trip Technology: Thermal magnetic
• Trip Function: Long-time and instantaneous (LI)
• Trip Setting Range: 1200 to 2400 A
• Protection Type: Overload and short-circuit protection
• Trip Adjustability: Fixed thermal and fixed magnetic
• Safety Features:
  • Visual trip indication
  • Trip-free mechanism
  • Quick-make / quick-break operation
  • Common trip across phases

Configuration and Function

• Series: QDA
• Model: QDA32175
• Frame Type: Q-Frame
• Mounting Style: Plug-on (I-Line system)
• Connection Type: ABC phase connection
• Used With: Square D I-Line panelboards and switchboards
• Sub-category: Panelboard circuit breaker
• Application: Electrical power distribution protection

Mechanical and Physical Characteristics

• Compact Q-frame molded case design
• Dimensions: 4.5 in (W) × 3.93 in (D) × 6.47 in (H)
• Terminal Type: Lug connection
• Wire Range: 4 AWG to 300 kcmil (Aluminum/Copper)
• Durable industrial-grade construction
• Designed for quick plug-on installation in I-Line systems
• Standardized form factor for panelboard compatibility

Standards and Certifications

• UL Listed
• CSA Certified
• IEC compliant
• NOM certified
• RoHS compliant
• HACR rated

Returns are easy

You may return items within 30 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.