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Square D HDL36125AA Molded Case Circuit Breaker

  • 125A
  • 3 Pole
  • Unit Mount
Square D HDL36125AA
Molded Case Circuit Breaker
Brand Square D
SKU HDL36125AA
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  • 125A
  • 3 Pole
  • Unit Mount

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Square D HDL36125AA - 125A 3 Pole Molded Case Circuit Breaker

Square D HDL36125AA - 125A 3 Pole Molded Case Circuit Breaker

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$1,479.00 In Stock

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Description

Built for commercial and industrial applications, the HDL36125AA is a 3-pole, 125A molded case circuit breaker from the PowerPacT H-Frame family. This unit-mount MCCB installs into switchboards and enclosures, and can replace legacy KAL361251212 breakers with a retrofit. A key feature is the factory-installed 1A/1B auxiliary switch, enabling remote status monitoring. It is rated 18kAIC at 480VAC and includes Visi-Trip technology for rapid fault identification.

Specifications

Key specifications
Brand Square D
Part Number HDL36125AA
Series HDL
Amperage 125A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC, 20kA @ 250VDC
Fit and installation
Frame Type HDL
Terminal Type Lugs
For Use With Industrial Control Panels, Switchboards, Enclosures
Wire Gauge 14 AWG-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 Shunt Trip, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Padlock Attachment
Accessories Auxiliary Switch (1A/1B) (Factory Installed)
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, Current Limiting, Visual Trip Indicator, Reverse Feed, Non-Interchangeable Trip

Product FAQs

6 answers
What does the AA suffix indicate on the HDL36125AA circuit breaker?

The AA suffix indicates that this PowerPacT H-Frame breaker comes equipped with a factory-installed 1A/1B auxiliary switch for remote status monitoring and signaling circuits.

Is the HDL36125AA an I-Line or unit-mount breaker?

This is a unit-mount, feed-thru circuit breaker. It features mechanical lugs on both the line and load sides and is not designed for I-Line panelboard plug-on installation.

Can the HDL36125AA be used to replace legacy KAL series breakers?

Yes, the PowerPacT H-Frame series is the modern replacement for legacy Square D KAL breakers, such as the KAL36125. Depending on your existing switchboard or enclosure, a retrofit kit may be required for installation.

Does the HDL36125AA include a manual test function?

Yes, PowerPacT H-Frame breakers feature an integrated push-to-trip button on the front faceplate. This allows electricians to manually verify the mechanical operation of the tripping mechanism during routine maintenance.

Are the thermal and magnetic trip settings adjustable on this breaker?

No, the HDL36125AA features a fixed thermal and fixed magnetic trip unit. It provides standard Long-Time and Instantaneous protection without adjustable dials for custom trip curves.

Can the Square D HDL36125AA be used in DC applications?

Yes, this breaker is rated for up to 250VDC with an interrupting capacity of 20kAIC. It can be safely deployed in compatible DC control panels and battery systems.

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Reviews

4.0
Rated 4.0 out of 5 stars
Based on 1 review
Rating
Ratings
1 review
  • DT
    Dave T.
    Flag of United States
    Reviewing
    Square D HDL36070 - 70A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    3/31/22
    The shipping was very fast

    The shipping was very fast and accurate!