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Square D QJA32080 Molded Case Circuit Breaker

  • 80A
  • 3 Pole
  • I-Line
Square D QJA32080
Molded Case Circuit Breaker
Brand Square D
SKU QJA32080
Select Item Condition
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  • 80A
  • 3 Pole
  • I-Line

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Square D QJA32080 - 80A 3 Pole Molded Case Circuit Breaker

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$3,105.55 In Stock

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Description

Built for heavy-duty commercial environments, this 80A PowerPacT Q-Frame breaker utilizes fixed thermal and magnetic trip elements. The three-pole design incorporates an ABC phase connection to support balanced three-phase industrial loads. Contractors can mount this component into standard Square D I-Line panelboards and switchboards. It acts as a seamless upgrade or replacement for discontinued Q23080 units. Boasting a 100kAIC rating at 240VAC, it delivers superior fault interruption.

Specifications

Key specifications
Brand Square D
Series QJA
Amperage 80A
Poles 3
Mounting Style I-Line
Voltage 208Y/120VAC, 240VAC
Phase 3
AIC Rating 100kA @ 208Y/120VAC, 100kA @ 240VAC
Fit and installation
Frame Type Q
Terminal Type Lugs
For Use With Square D I-Line Panelboards and 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, 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 CSA, IEC, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Current Limiting, Mercury Free, PVC Free

Product FAQs

5 answers
Which panelboards are compatible with the QJA32080 breaker?

This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It utilizes the standard I-Line plug-on mounting system for phase connections.

What does the J in the QJA32080 catalog number signify?

In the Square D PowerPacT Q-frame nomenclature, the J indicates the interrupting rating tier. For this specific breaker, it denotes a high interrupting rating of 100kAIC at 240VAC.

What wire sizes and materials are accepted by the lugs on this breaker?

The factory-installed lugs on this Q-frame breaker accept either aluminum or copper conductors ranging from 4 AWG to 300 kcmil.

How is the QJA32080 secured inside an I-Line panelboard?

The breaker features plug-on jaws that connect directly to the I-Line bus stack. It is then mechanically secured to the panelboard using a built-in retaining bracket and screw.

Can the trip settings on the QJA32080 be adjusted in the field?

No, this breaker features a thermal-magnetic trip unit with fixed long-time and fixed instantaneous trip functions. The trip settings cannot be modified.

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