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Square D QGA221752 Molded Case Circuit Breaker

  • 175A
  • 2 Pole
  • I-Line
Square D QGA221752
Molded Case Circuit Breaker
Brand Square D
SKU QGA221752
Select Item Condition
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  • 175A
  • 2 Pole
  • I-Line

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Square D QGA221752 - 175A 2 Pole Molded Case Circuit Breaker

Square D QGA221752 - 175A 2 Pole Molded Case Circuit Breaker

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$1,423.38 In Stock

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Description

Belonging to the PowerPacT Q-Frame family, this 175A thermal-magnetic breaker provides reliable LI protection for industrial systems. Designed for Square D I-Line panelboards and switchboards, it features a plug-on AC phase connection. This unit serves as an exact replacement for the legacy Q22175 model. Rated at 65kAIC at 240V, it handles demanding fault currents while the Visi-Trip indicator helps personnel quickly identify tripped circuits.

Specifications

Key specifications
Brand Square D
Part Number QGA221752
Series QGA
Amperage 175A
Poles 2
Mounting Style I-Line
Voltage 208Y/120VAC, 240VAC
Phase 1
AIC Rating 65kA @ 208Y/120VAC, 65kA @ 240VAC
Fit and installation
Frame Type QGA
Terminal Type Lugs
For Use With Square D I-Line Panelboards (HCN, HCM, HCW, HCWM), Square D I-Line Switchboards
Wire Gauge 4 AWG - 300 kcmil (Al/Cu)
Max Wire 300 kcmil
Min Wire 4 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489
Approval CE, CSA, IEC, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Visual Trip Indicator, Phase Connection AC, 80% Rated

Product FAQs

5 answers
Which panelboards accept the QGA221752 circuit breaker?

This breaker is designed for use in Square D I-Line panelboards, including the HCN, HCM, HCW, and HCWM series, as well as I-Line switchboards.

How much mounting space does this 2-pole Q-Frame breaker require?

The QGA221752 requires 3 inches of mounting space on the I-Line bus. Each pole utilizes 1.5 inches of phase space.

How does the QGA221752 connect to the electrical system?

It features a plug-in I-Line connection on the line side that mounts directly to the panelboard bus. The load side includes mechanical lugs that accept 4 AWG to 300 kcmil aluminum or copper wire.

What does the G in the QGA221752 part number indicate?

In the Square D PowerPacT Q-Frame nomenclature, the G designates the interrupting rating. For this model, it indicates a 65kAIC rating at 240VAC.

Are the trip settings adjustable on this breaker?

No, the QGA221752 features a fixed thermal-magnetic trip unit. Both the long-time and instantaneous trip functions are factory-set and cannot be adjusted in the field.

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