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Square D HJA260302 Molded Case Circuit Breaker

  • 30A
  • 2 Pole
  • I-Line
Square D HJA260302
Molded Case Circuit Breaker
Brand Square D
SKU HJA260302
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  • 30A
  • 2 Pole
  • I-Line

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Square D HJA260302 - 30A 2 Pole Molded Case Circuit Breaker

Square D HJA260302 - 30A 2 Pole Molded Case Circuit Breaker

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$1,247.00 In Stock

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Description

Providing 30 amps of continuous current capacity, the Square D HJA260302 is a thermal-magnetic MCCB from the PowerPacT H-Frame family. It mounts into Square D I-Line panelboards and switchboards, featuring a factory-installed AC phase connection. It serves as an exact drop-in upgrade for discontinued FC26030AC and FH26030AC breakers. Rated to interrupt up to 100kAIC at 240VAC, this current-limiting device includes fixed thermal and magnetic trip elements and HACR certification.

Specifications

Key specifications
Brand Square D
Part Number HJA260302
Series HJA
Amperage 30A
Poles 2
Mounting Style I-Line
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC
Phase 1
AIC Rating 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 25kA @ 600VAC, 20kA @ 250VDC
Fit and installation
Frame Type H
Terminal Type Lugs
For Use With Square D I-Line Panelboards, Switchboards
Wire Gauge 14 AWG - 3/0 AWG
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, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle
Accessories Phase Connection AC (Factory Configured)
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 Current Limiting, HACR Rated, Visual Trip Indicator, Phase Connection AC

Product FAQs

7 answers
What older Square D circuit breakers does the HJA260302 replace?

The HJA260302 is a direct drop-in replacement for the discontinued FC26030AC and FH26030AC I-Line circuit breakers.

What type of line and load connections does this breaker use?

This breaker features an I-Line style plug-in connection on the line side and mechanical lugs on the load side.

What is the standard replacement lug kit for the HJA260302?

The standard load side lug kit is part number AL150HD, which accepts 14 AWG to 3/0 AWG aluminum or copper wire.

Which phases does the HJA260302 connect to on an I-Line bus?

The 2 at the end of the catalog number indicates a factory configured AC phase connection, meaning it connects to the A and C phases of the panelboard bus.

What does the J in the HJA prefix indicate?

The J designates the interrupting rating level for this PowerPacT H-frame breaker, which provides 100kA at 240V, 65kA at 480V, and 25kA at 600V.

Is the HJA260302 considered a current limiting circuit breaker?

Yes, PowerPacT H-frame breakers with the J interrupting rating are UL Listed and CSA Certified as current limiting circuit breakers.

Can I install this breaker in a standard QO or NQ panelboard?

No, this breaker is specifically designed with an I-Line plug-in mounting style and is only compatible with Square D I-Line panelboards and switchboards.

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Reviews

4.7
Rated 4.7 out of 5 stars
Based on 15 reviews
Rating
Ratings
15 reviews
  • RF
    Ron F.
    Verified Buyer
    Reviewing
    Square D HJA36050 - 50A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/27/26
    Square D HJA36050 review

    The delivery was on and exactly what I ordered as usual. I highly recommend Super Breakers!

  • CM
    Chris M.
    Verified Buyer
    Reviewing
    Square D HJA36080 - 80A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/23/26
    Quick delivery

    Everything arrived correctly and on time.

  • HE
    Heineken E.
    Verified Buyer
    Reviewing
    Square D HJA36150 - 150A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/9/26
    Quick Delivery

    Good condition Quick Delivery

  • JB
    Josh B.
    Verified Buyer
    Reviewing
    Square D HJA36060 - 60A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/30/26
    Quick Shipping

    Breaker showed up quickly and as described.

  • JC
    Joe C.
    Verified Buyer
    Reviewing
    Square D HJA36035 - 35A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    7/29/25
    HJA

    Shipped fast