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Square D KAL26070 Molded Case Circuit Breaker

  • 70A
  • 2 Pole
  • Unit Mount
Square D KAL26070
Molded Case Circuit Breaker
Brand Square D
SKU KAL26070
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  • 70A
  • 2 Pole
  • Unit Mount

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Square D KAL26070 2 Pole Circuit Breaker

Square D KAL26070 - 70A 2 Pole Molded Case Circuit Breaker

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$2,070.37 In Stock

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Description

Engineered for industrial applications, this 70A thermal-magnetic device provides reliable long-time and instantaneous (LI) protection. It installs into compatible Square D switchboards, motor control centers, and industrial control panels. For modern upgrades, this legacy component is replaced by the PowerPact H-Frame HGL26070 using a retrofit kit. Delivering 42kAIC at 240VAC, it includes a Visi-Trip indicator and an adjustable magnetic trip mechanism to fine-tune short-circuit response.

Specifications

Key specifications
Brand Square D
Part Number KAL26070-R
Series KAL
Amperage 70A
Poles 2
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 1
AIC Rating 42kA @ 240VAC, 25kA @ 480VAC, 22kA @ 600VAC, 10kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Square D Enclosures, Switchboards, Motor Control Centers, Industrial Control Panels
Wire Gauge 4 AWG - 350 kcmil (Al/Cu)
Max Wire 350 kcmil
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, Alarm Switch, Undervoltage Release
Accessories Line and Load Lugs
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CE, CSA, IEC, UL
Temp Rating 40C
Construction Features HACR Rated, Visual Trip Indicator, 2-Pole in 3-Pole Housing

Product FAQs

7 answers
What types of panels and enclosures are compatible with the KAL26070?

This K-frame breaker is designed for use in Square D enclosures, switchboards, motor control centers, and industrial control panels that accept unit-mount breakers.

How is the KAL26070 circuit breaker mounted?

It features a unit-mount, feed-thru design. It bolts directly to the backpan or mounting surface rather than plugging onto a busbar like I-Line variants.

What wire sizes are accepted by the lugs on this breaker?

The included line and load lugs accept 4 AWG to 350 kcmil aluminum or copper wire.

Can the KAL26070 be used in DC electrical systems?

Yes, in addition to its AC ratings, this thermal-magnetic breaker is rated for up to 250VDC with a 10kA interrupting capacity.

What does the LI trip function code indicate on this breaker?

The LI designation stands for Long-Time and Instantaneous trip functions. It features a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.

Is the Square D KAL series still in active production, or is there a modern replacement?

The KAL series is a legacy K-frame breaker. For modern upgrades or replacements, Square D typically recommends the PowerPact H-frame series, though exact cross-referencing depends on your specific panel and AIC requirements.

What safety precautions should be taken before installing or servicing this breaker?

Always de-energize the switchboard or panel before installation. Verify that power is off using a properly rated voltage sensing device, and ensure the breaker voltage and AIC ratings meet or exceed the available fault current of your system.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 3 reviews
Total 5 star reviews: 3 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
3 reviews
  • GG
    Gavin G.
    Flag of United States
    Reviewing
    Square D KAL36110 - 110A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/9/23
    Great service

    Needed this breaker asap and they helped me get it quickly and they were very helpful.

  • J
    James
    Flag of United States
    Reviewing
    Square D KAL36250 - 250A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/25/18
    Lightning Fast Turn Around

    Thanks to SuperBreakers we were able to get the part we needed, and get back online.

  • GR
    Greg R.
    Flag of United States
    Reviewing
    Square D KAL26200 - 200A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/29/18
    Excellent Service

    The breaker we ordered was needed to get one of or machines back up and running. We ordered it next day air and it arrived right on time.

    Thank you,