Eaton Cutler Hammer KG3300 300A 3-Pole Generator Molded Case Circuit Breaker – Bolt-On Mount – 600VAC
SKU: 91589647222

Eaton Cutler Hammer KG3300 300A 3-Pole Generator Molded Case Circuit Breaker – Bolt-On Mount – 600VAC

Sale price$1124.55 Regular price$1249.50
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Description

Eaton Cutler Hammer KG3300 300A 3-Pole Generator Molded Case Circuit Breaker – Bolt-On Mount – 600VACThe Eaton Cutler Hammer KG3300 is a K frame molded case generator circuit breaker specifically designed for generator protection and power distribution applications. Equipped with a thermal magnetic interchangeable trip unit, this breaker provides dependable overload and short circuit protection while allowing the trip unit to be replaced or adjusted as system requirements change. Rated at 300 amperes at 40C, the KG3300 features a 5001000 trip range,

The Eaton Cutler-Hammer KG3300 is a K-frame molded case generator circuit breaker specifically designed for generator protection and power distribution applications. Equipped with a thermal-magnetic interchangeable trip unit, this breaker provides dependable overload and short-circuit protection while allowing the trip unit to be replaced or adjusted as system requirements change. Rated at 300 amperes at 40°C, the KG3300 features a 500–1000 trip range, making it suitable for generator circuits where higher magnetic trip settings are required to accommodate starting currents. Its bolt-on mounting configuration ensures secure installation, and standard line and load terminals provide reliable and efficient electrical connections.

Product Specifications

  • Brand: Eaton / Cutler-Hammer
  • Model: KG3300
  • Breaker Type: Molded Case Generator Circuit Breaker
  • Frame Style: KG (K-Frame Generator Series)
  • Rated Current: 300 Ampere
  • Number of Poles: 3 Pole
  • Trip Unit Type: Thermal Magnetic Interchangeable Trip Unit
  • Trip Range: 500–1000
  • Mounting Type: Bolt-On Connection
  • Standard Lug Type: Line and Load End Terminals Standard
  • Warranty: One Year Manufacturer Warranty

Technical Specifications

  • Frame Type: K-Frame
  • Trip Adjustment Range: 500–1000 Ampere Magnetic Trip Range
  • Operating Temperature Reference: 40°C
  • Protection Type: Overload and Short Circuit Protection
  • Breaker Construction: Molded insulated case for durability and safety
  • Application Type: Generator protection and industrial power distribution systems

Voltage and Ratings

  • Maximum Voltage: 600 VAC
  • Interrupting Rating: 18 kA @ 240 VAC
  • Interrupting Rating: 14 kA @ 480 VAC
  • Interrupting Rating: 10 kA @ 600 VAC
  • Frequency: 50/60 Hz

Product Data

  • Manufacturer: Eaton / Cutler-Hammer
  • Product Series: KG Generator Circuit Breaker Series
  • Model Number: KG3300
  • Current Rating: 300A
  • Number of Poles: 3
  • Connection Type: Bolt-On
  • Terminal Type: Line and Load Terminals Included
  • Application: Generator protection systems, switchboards, and industrial power distribution equipment

Important Note

The product image typically represents a base model for identification purposes only, and the final configuration may vary depending on installed accessories or optional components. If accessories are ordered together with the breaker, they can be installed to match your specific configuration requirements at no additional cost. Please include the necessary configuration details in the order comment section during checkout to ensure proper assembly prior to shipment.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91589647222

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Christmas Gift
Lake Worth, US
★★★★★ 3
Wobbly
Color: Grey
Wobbly and the metal bars keep coming off. Be aware. I’ve tripped over them. Be careful.
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Reviewed in the United States on April 21, 2026
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Verified Purchase
Amazon Customer
Lake Worth, US
★★★★★ 5
Very practical for the price.
Color: Black
Very practical for the price.
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Reviewed in the United States on May 25, 2026
J
Jeni & Mark
Battle Creek, US
★★★★★ 4
Good for a quick backdrop
This works well for what I needed – a simple background for my kids’ online school. It’s lightweight and very easy to put together, and it stands up fine without needing to mount anything. The color is listed as black, but it’s more of a dark gray in person. Not a huge deal, just something to be aware of. It’s not super heavy duty, but it does the job for privacy and as a video backdrop. Overall, a good, portable divider that’s quick to set up and works well for light use.
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Reviewed in the United States on February 21, 2026
R
Verified Purchase
Robert A. Bertsche
Chelsea, US
★★★★★ 5
Essay to assemble
Color: Grey
Very nice. Did the job the way I wanted.
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Reviewed in the United States on April 28, 2026
K
Verified Purchase
Kevin
Carnegie, US
★★★★★ 2
Low budget option
Color: Grey
Budget low quality if thats what youre looking for
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Reviewed in the United States on April 27, 2026

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