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Square D HGA36060U31X Molded Case Circuit Breaker

  • 60A
  • 3 Pole
  • I-Line
Square D HGA36060U31X
Molded Case Circuit Breaker
Brand Square D
SKU HGA36060U31X
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  • 60A
  • 3 Pole
  • I-Line

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Square D HGA36060U31X - 60A 3 Pole Molded Case Circuit Breaker

Square D HGA36060U31X - 60A 3 Pole Molded Case Circuit Breaker

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$1,392.00 In Stock

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Description

The Square D HGA36060U31X is a 3-pole, 60A molded case circuit breaker from the PowerPacT H-Frame family, built for commercial and industrial facilities. This unit installs into Square D I-Line panelboards and switchboards. The I-Line mounting style allows for quick phase connections, while load-side lugs accept 14 to 3/0 AWG wire. Equipped with a Micrologic 3.2 electronic trip unit, it provides adjustable LI protection. It is HACR rated and delivers 65 kAIC at 240VAC.

Specifications

Key specifications
Brand Square D
Part Number HGA36060U31X
Series HGA
Amperage 60A
Poles 3
Mounting Style I-Line
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC
Phase 3
AIC Rating 65kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 18kA @ 600VAC
Electrical ratings
Amperage Range 15-60A
Fit and installation
Frame Type HGA
Terminal Type Lugs
For Use With Square D I-Line Panelboards, Switchboards
Wire Gauge 14 AWG - 3/0 AWG (Al/Cu)
Max Wire 3/0 AWG
Min Wire 14 AWG
Protection and operation
Trip Technology Electronic Trip
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Adjustable
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489
Approval CCC, CE, CSA, IEC, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Current Limiting, Reverse Feed, True RMS Sensing

Product FAQs

6 answers
What type of enclosures or panels accept the HGA36060U31X?

This breaker features an I-Line style plug-in connection on the line side, making it exclusively compatible with Square D I-Line panelboards and switchboards. It is not designed for standard unit-mount or load center applications.

What does the U31X suffix mean on this PowerPacT H-Frame breaker?

The U31X designation indicates the breaker is equipped with a Micrologic 3.2 electronic trip unit. This provides adjustable Long-Time and Instantaneous (LI) protection, offering more precise coordination than standard thermal-magnetic trip units.

What wire sizes are compatible with the load lugs on the HGA36060U31X?

The factory-installed load-side mechanical lugs accept 14 AWG to 3/0 AWG aluminum or copper conductors.

Can the HGA36060U31X replace older Square D 60A I-Line breakers?

Yes, the PowerPacT H-Frame occupies the same I-Line mounting space as Square D's discontinued F-Frame breakers. It can serve as a direct plug-on replacement for legacy 60A FA, FH, and FC series I-Line breakers, though the trip unit technology differs.

How does the HGA36060U31X connect to the panelboard bus?

It uses Square D's I-Line plug-on jaw connections for the line side, which seat directly onto the panelboard bus with a standard ABC phase sequence. The load side utilizes standard mechanical lugs.

Is the HGA36060U31X rated for 80% or 100% continuous current?

This breaker carries a standard 80% continuous current rating.

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