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circuit-breaker

Square D KI36125 - 125 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

★★★★★
Part Number KI36125
Amperes 125
Poles 3
Voltage 600
Product Type circuit-breaker
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Manufacturer :Square D
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $710.00
Sale price $710.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Square D KI36125 - 125 A 600 V 3-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D KI36125 - 125 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Product description
Shipping

Power your electrical protection with the Square D KI36125, a 125 A, 600 V, 3-pole plug-in molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers. Built for reliability in residential, commercial, and light industrial settings, this unit combines a compact plug-in form factor with a robust thermal-magnetic trip mechanism to deliver stable, repeatable protection across varying loads.

Fast, tool-free installation

The KI36125 features a quick plug-in connection that simplifies installation and replacement. This means reduced downtime during panel upgrades or service calls, with a secure, reliable fit in compatible Square D OEM load centers and panelboards.

Why the KI36125 stands out

  • Thermal-magnetic protection you can trust: The integrated trip unit responds to both overloads and short circuits, delivering consistent performance and minimizing nuisance trips while safeguarding wiring and connected equipment.
  • OEM-compatible design: Engineered to fit matching Square D load centers and panelboards, ensuring seamless integration and uniform protection across your electrical system.
  • Aggressive yet practical electrical ratings: 125 A continuous current capability and 600 V maximum voltage support typical for residential service panels, commercial distribution, and light industrial feeders.

Applications and use cases

Ideal for panel upgrades, replacements, or new installations where fast plug-in protection is required. It safeguards branch circuits against overcurrent and short circuits, helping prevent equipment damage and electrical fires. Appropriate for:

  • Residential subpanels and main distribution panels
  • Commercial distribution boards
  • Light industrial control panels

Specifications at a glance

  • Manufacturer: Square D
  • Part Number: KI36125
  • Type: Thermal-magnetic molded case circuit breaker
  • Amperage: 125 A
  • Voltage: 600 V
  • Poles: 3
  • Mounting: Plug-in
  • Applications: Branch circuit overcurrent and short-circuit protection

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Consistent quality. We’ve added similar items to our regular reorder list.

MRO · Reorder

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Support is responsive when we have questions about fit or application.

Purchasing · Quick answers

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A reliable choice when we need industrial parts on short notice.

Service · Urgent replacement

Fast industrial sourcing support

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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

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