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Square D JJA36175YP Molded Case Circuit Breaker

  • 175A
  • 3 Pole
  • I-Line
Square D JJA36175YP
Molded Case Circuit Breaker
Brand Square D
SKU JJA36175YP
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  • 175A
  • 3 Pole
  • I-Line

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Square D JJA36175YP 3 Pole Circuit Breaker

Square D JJA36175YP - 175A 3 Pole Molded Case Circuit Breaker

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$1,487.43 Check Stock

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Description

Featuring a factory-installed handle padlock attachment, the JJA36175YP is a 175A, 3-pole MCCB designed for secure maintenance operations. Part of the Square D PowerPacT J-Frame series, it provides reliable thermal-magnetic protection. This MCCB mounts into Square D I-Line panelboards and switchboards. It replaces legacy KC36175 and KH36175 breakers when a padlocking provision is required. Delivering a 65kAIC rating at 480VAC, the breaker is reverse-feed capable and includes load-side lugs.

Specifications

Key specifications
Brand Square D
Part Number JJA36175YP
Series JJA
Amperage 175A
Poles 3
Mounting Style I-Line
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC
Phase 3
AIC Rating 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 25kA @ 600VAC, 20kA @ 250VDC
Fit and installation
Frame Type J
Terminal Type Lugs
For Use With Square D I-Line Panelboards, Square D I-Line Switchboards
Wire Gauge 4 AWG - 4/0 AWG (Al/Cu)
Max Wire 4/0 AWG
Min Wire 4 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Rotary Handle, Terminal Shields
Accessories Load Side Lugs Included, Handle Padlock Attachment (Factory Installed)
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CE, CSA, HACR, IEC, NEMA, NOM, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Current Limiting, Visual Trip Indicator, Reverse Feed, Non-Interchangeable Trip, Mercury Free, PVC Free

Product FAQs

6 answers
What panelboards are compatible with the JJA36175YP breaker?

This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection and cannot be used in standard unit-mount or load center applications.

What does the "YP" suffix indicate on the JJA36175YP catalog number?

The "YP" suffix means this breaker includes a factory-installed handle padlock attachment. This safety feature allows the breaker handle to be locked in either the ON or OFF position for maintenance and lockout/tagout (LOTO) procedures.

What size wire can be used with the standard lugs on this 175A J-Frame breaker?

The standard lugs on the JJA36175YP accept aluminum or copper wire ranging from 4 AWG to 4/0 AWG.

Is the trip unit on the JJA36175YP adjustable?

Yes, it features a thermal-magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.

Can the JJA36175YP replace older Square D 175A I-Line breakers?

Yes, the PowerPacT J-Frame JJA36175YP is a direct upgrade and replacement for legacy Square D KA, KC, and KH frame 175A I-Line breakers, such as the KA36175, KC36175, and KH36175, when a padlocking provision is required.

Can the JJA36175YP be reverse-fed?

Yes, this thermal-magnetic PowerPacT J-Frame breaker is suitable for reverse-fed applications.

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Reviews

4.8
Rated 4.8 out of 5 stars
Based on 4 reviews
Rating
Ratings
4 reviews
  • CP
    Cody P.
    Verified Buyer
    Reviewing
    Square D JJA36175 - 175A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    8/27/26
    Fast Delivery

    Breaker came perfectly packaged and well ahead of estimated date

  • BW
    Brian W.
    Verified Buyer
    Reviewing
    Square D JJA36250 - 250A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/27/26
    Great

    Quick delivery

  • JE
    Joshua E.
    Verified Buyer
    Reviewing
    Square D JJA36175 - 175A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/16/26
    Great product

    The product fit perfect into my main distribution panel.

  • JG
    John G.
    Verified Buyer
    Reviewing
    Square D JJA36225 - 225A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    12/23/25
    Top service

    Super breakers has always been great with good stock and quick ship