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Square D HGL36125SA Molded Case Circuit Breaker

  • 125A
  • 3 Pole
  • Unit Mount
Square D HGL36125SA
Molded Case Circuit Breaker
Brand Square D
SKU HGL36125SA
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  • 125A
  • 3 Pole
  • Unit Mount

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Square D HGL36125SA - 125A 3 Pole Molded Case Circuit Breaker

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$2,175.00 In Stock

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Description

Engineered for industrial applications, the Square D HGL36125SA is a 3-pole, 125A MCCB from the PowerPacT H-Frame family. It delivers reliable thermal-magnetic protection for demanding systems. This unit mount breaker installs into control panels and switchboards. It serves as a modern replacement for legacy KAL36125 breakers. Rated for 35kAIC at 480VAC, it features a factory-installed 120VAC shunt trip for remote operation and a Visi-Trip indicator for quick fault identification.

Specifications

Key specifications
Brand Square D
Part Number HGL36125SA
Series HGL
Amperage 125A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC, 500VDC
Phase 3
AIC Rating 65kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 18kA @ 600VAC, 20kA @ 250VDC, 20kA @ 500VDC
Fit and installation
Terminal Type Lugs
For Use With Industrial Control Panels, Switchboards, PowerPacT H-Frame Enclosures, Motor Control Centers
Wire Gauge 14-3/0 AWG (Al/Cu)
Max Wire 3/0 AWG
Min Wire 14 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 Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment
Accessories Shunt Trip 120VAC
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CE, CSA, IEC, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Visual Trip Indicator, Reverse Feed, Non-Interchangeable Trip, 80% Rated

Product FAQs

10 answers
What does the "SA" suffix indicate on the HGL36125SA circuit breaker?

The "SA" suffix indicates that this breaker includes a factory installed 120VAC shunt trip release coil, allowing the breaker to be tripped remotely.

What does the "G" in the HGL36125SA catalog number represent?

The "G" indicates the interrupting rating tier for this PowerPacT H-Frame breaker, which provides 65kA at 240VAC, 35kA at 480VAC, and 18kA at 600VAC.

What does the "L" in the HGL36125SA part number signify?

The "L" signifies that the breaker is supplied with factory installed mechanical lugs on both the line and load sides.

What are the magnetic trip settings for the HGL36125SA?

This thermal magnetic breaker features fixed magnetic protection with a hold current of 900A and a trip current of 1700A.

Is the HGL36125SA rated for 100 percent continuous current?

No, this breaker has a standard 80 percent continuous current rating. Per NEC guidelines, it should not be loaded continuously beyond 100A.

What is the DC voltage and interrupting rating for the HGL36125SA?

This breaker is rated for use on DC systems up to 500VDC, providing an interrupting capacity of 20kA at both 250VDC and 500VDC.

Can the HGL36125SA be installed in an I-Line panelboard?

No, the HGL36125SA is a unit mount breaker designed for individual mounting on a backpan or plate. It lacks the plug-on brackets required for I-Line panelboards.

What enclosures are compatible with the HGL36125SA?

This unit mount breaker is suitable for use in PowerPacT H-Frame enclosures, industrial control panels, switchboards, and motor control centers.

What wire sizes are accepted by the lugs on the HGL36125SA?

The factory installed line and load lugs accept 14 AWG to 3/0 AWG aluminum or copper wire.

Does the HGL36125SA include a push to trip feature?

Yes, it features an integral push to trip button on the cover, allowing electricians to manually trip the breaker and verify the mechanical operation of the trip mechanism.

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