Square D

Square-D KC34110 110A 3 Pole Thermal Magnetic MCCB – Plug-In (I-Line) Mount – 480V AC

In stock
SKU: KC34110-NS
$5,399.00
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1 year warranty
30 day returns

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The Square-D KC34110 molded case circuit breaker is designed for dependable protection in industrial and commercial power distribution systems. Built on the KC I-Line frame platform, it features a thermal magnetic non-interchangeable trip unit that provides reliable overload and short-circuit protection. Rated at 110 amperes with a 3-pole configuration, it is optimized for plug-in installation, enabling fast integration into I-Line panelboards and switchgear systems. With strong interrupting capacity and stable performance, it is suitable for demanding electrical environments where consistent protection is required.

Product Specification

  • Manufacturer: Square-D
  • Model: KC34110
  • Frame Type: KC (I-Line)
  • Rated Current (Amperage): 110A at 40°C
  • Number of Poles: 3
  • Mounting Type: Plug-In (I-Line)
  • Trip Unit Type: Thermal Magnetic Non-Interchangeable
  • Trip Setting: 550–1100
  • Connection Type: Load End Terminals Standard
  • Application: Industrial and Commercial Power Distribution

Technical Specification

  • Interrupting Capacity:
    • 100 kA @ 240 VAC
    • 65 kA @ 480 VAC
  • Protection Type: Overload and Short Circuit Protection
  • Operating Mechanism: Thermal Magnetic Trip System
  • Lug Type: Standard Load End
  • Installation Design: I-Line Plug-In Configuration
  • Performance Category: High Interrupting Duty

Voltage and Ratings

  • Rated Operational Voltage: 240 / 480 VAC
  • Maximum Voltage Rating: 480 VAC
  • Frequency: 50/60 Hz
  • Short Circuit Breaking Capacity: Up to 100 kA

Product Data

  • Frame Size: K Frame
  • Connection Type: Plug-In (I-Line)
  • Terminal Type: Load End Standard Lugs
  • Installation Type: I-Line Panelboard / Switchgear
  • Configuration: 3 Pole MCCB
  • Warranty: 1 Year (Applicable for new and certified reconditioned products)

Important Note

This product image is provided for identification purposes only and may represent a base model. Actual breaker configuration may vary depending on selected accessories or application requirements. Accessories ordered together with the breaker can be installed at no additional cost when complete configuration details are provided during checkout.
  • Type Circuit Breakers
  • Vendor Square D
  • Brand Square D

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.