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Square D KH26100AB Molded Case Circuit Breaker

  • 100A
  • 2 Pole
  • I-Line
Square D KH26100AB
Molded Case Circuit Breaker
Brand Square D
SKU KH26100AB
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  • 100A
  • 2 Pole
  • I-Line

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Square D KH26100AB - 100A 2 Pole Molded Case Circuit Breaker

Square D KH26100AB - 100A 2 Pole Molded Case Circuit Breaker

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$2,758.71 In Stock

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Description

Built for robust power distribution, the Square D KH26100AB is a 2-pole, 100A molded case circuit breaker from the legacy K-Frame series. It delivers reliable thermal-magnetic protection with long-time and instantaneous (LI) trip functions. This unit mounts into Square D I-Line panelboards and switchboards. As a legacy component, it maintains existing systems and is officially replaced by the HGA261001 model. Featuring an AB phase connection, it is rated 35kAIC at 480VAC and is HACR rated.

Specifications

Key specifications
Brand Square D
Part Number KH26100AB
Series KH
Amperage 100A
Poles 2
Mounting Style I-Line
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 1
AIC Rating 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 10kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Square D I-Line Panelboards and Switchboards
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, Undervoltage Release, Alarm Switch
Accessories Load Side Lugs Included (AL250KA)
Standards CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, High Interrupting Capacity

Product FAQs

6 answers
What type of panelboards accept the Square D KH26100AB?

This breaker is designed specifically for installation in Square D I-Line panelboards and switchboards.

What does the AB suffix in the KH26100AB catalog number indicate?

The AB designates the phase connection. This specific breaker is configured to connect to the A and B phases on the I-Line bus.

What wire sizes and materials are accepted by the lugs on the KH26100AB?

The included lugs accept either aluminum or copper conductors ranging from 4 AWG to 350 kcmil.

How is the trip unit configured on this K-Frame breaker?

It features a thermal magnetic trip unit with long-time and instantaneous functions. The thermal protection is fixed, while the magnetic instantaneous trip setting is adjustable.

Is the KH26100AB a current production model?

The KH26100AB is a legacy K-Frame molded case circuit breaker. For modern panel upgrades, Square D officially replaces this unit with the PowerPact H-Frame series, specifically catalog number HGA261001.

How does this breaker mount to the busbar?

It utilizes an I-Line style plug-in connection. The breaker jaws clamp directly onto the I-Line bus assembly, eliminating the need for bolt-on bus connections.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 1 review
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
1 review
  • DP
    Douglas P.
    Flag of United States
    Reviewing
    Square D KH36225 - 225A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    5/26/23
    I got it the next

    I got it the next day and it worked just like it should. Thank you