SKU: 91728205167

Eaton Cutler-Hammer KG3350WA12S43Z04 350A 3-Pole Generator Molded Case Circuit Breaker – Bolt-On – 600VAC with A12 Auxiliary & S43 Shunt Trip

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Description

Eaton Cutler-Hammer KG3350WA12S43Z04 350A 3-Pole Generator Molded Case Circuit Breaker – Bolt-On – 600VAC with A12 Auxiliary & S43 Shunt TripThe Eaton Cutler Hammer KG3350WA12S43Z04 is a K frame molded case generator circuit breaker engineered for industrial and generator applications. It features a thermal magnetic interchangeable trip unit with a 5001000 Amp magnetic trip range for precise overload and short circuit protection. This model comes equipped with dual configuration options: A12 Auxiliary Switch 2 A (Open) 2 B (Closed), Right Pole Mounted, Exiting Same Side S43 Shunt Trip 1224

The Eaton Cutler-Hammer KG3350WA12S43Z04 is a K-frame molded case generator circuit breaker engineered for industrial and generator applications. It features a thermal-magnetic interchangeable trip unit with a 500–1000 Amp magnetic trip range for precise overload and short-circuit protection. This model comes equipped with dual configuration options:

  • A12 Auxiliary Switch – 2-A (Open) / 2-B (Closed), Right Pole Mounted, Exiting Same Side
  • S43 Shunt Trip – 12–24 VAC/VDC, Left Pole Mounted, Exiting Opposite Side
  • Rated at 350 Ampere at 40°C, the breaker provides robust protection and flexible integration for generator panels and switchgear systems.

Key Features

  • K-Frame Generator Circuit Breaker for high-reliability power protection
  • Thermal-Magnetic Interchangeable Trip Unit
  • Dual Options Installed:
    • A12 Auxiliary Switch (Right Pole, Same Side)
    • S43 Shunt Trip (Left Pole, Opposite Side)
  • Bolt-On Connection for easy installation
  • Line and Load Terminals Standard

Specifications

  • Manufacturer: Eaton / Cutler-Hammer
  • Model: KG3350WA12S43Z04
  • Frame Type: K
  • Rated Current: 350 Ampere
  • Poles: 3
  • Maximum Voltage: 600 VAC
  • Frequency: 50/60 Hz
  • Trip Unit Type: Thermal-Magnetic Interchangeable
  • Magnetic Trip Range: 500–1000 Ampere
  • Interrupting Capacity:
    • 18 kA @ 240 VAC
    • 14 kA @ 480 VAC
    • 10 kA @ 600 VAC
  • Connection: Bolt-On
  • Standard Lug Type: Line and Load End Terminals
  • Warranty: One Year

Applications

  • Industrial generator protection and control
  • Remote tripping and monitoring via auxiliary and shunt trip options
  • Switchgear and generator panel integration
  • Medium-to-large generator backup systems

Notes

The product image represents a base model for identification. Eaton offers installation of your selected accessories at no additional cost—simply provide configuration instructions in the order comment box during checkout.

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]
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SKU: 91728205167

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Product Reviews
J
Verified Purchase
Dallas, US
★★★★★ 5
Looks nice, good construction and good value
Color: Warm Gold
Looks nice, good construction and good value. Stays in place when tearing off sections of paper towels and looks more expensive than it was.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
M
Verified Purchase
MommaWolf
Belleville, US
★★★★★ 5
Great product!
Color: Oil Rubbed Bronze
Beautiful and easy to assemble and use, good weight to it so doesn’t get knocked over. I have three of these and love them!
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Reviewed in the United States on September 19, 2025
T
Verified Purchase
TQ from Kansas City
New York, US
★★★★★ 5
Bridging the Testaments
Format: Hardcover
Very scholarly and detailed if you want to know about the in depth history during this time period. Author is very knowledgeable & has done great research to present. He is very thorough! A lot of info. Helps you to truly comprehend all the various dynasties & kings & how they affected the Jews. Great resource book! I study Jewish history and am giving a sermon on the silent years. This helped me to understand this time period and how the various groups such as Sadducee's, Pharisees, Zealots, Hasidic, Essenes, publicans, etc began. That’s what I was searching for… when & how did these groups develop and splinter off? This book has answered these questions for me. Author writes so well & is organized in time periods! Great book!!
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Reviewed in the United States on May 17, 2026
C
Verified Purchase
Carol
Grantham, US
★★★★★ 5
What a Reading Experience!
Format: Kindle
If your goal is to better grasp reading the New Testament, this book is the one for you! For me, it changed everything in my understanding of these Jewish groups that suddenly "appear" in Matthew when you turn the page from Malachi. Who were the Saducees? The Pharisees? Where did they come from? The Davidic loyalists? The Herodians? The Essenes? It was brilliantly documented with great charts tying history to specific scripture. It also sheds meaningful light also on the ongoing political intrigue of the middle east. Loved this book and highly recommend it.
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Reviewed in the United States on August 18, 2024
F
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FDR
Lowell, US
★★★★★ 5
Interesting coverage.
Format: Hardcover
Interesting recount of the history of Israel itself, and it’s relation to its neighbors during the period between the years covered by the Old and New Testaments.
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Reviewed in the United States on May 31, 2024

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