Eaton Cutler-Hammer KG3350 350A 3-Pole Generator Molded Case Circuit Breaker – Bolt-On Mount – 600VAC

The Eaton Cutler-Hammer KG3350 is a K-frame molded case generator circuit breaker engineered for reliable protection of generator-powered and industrial electrical systems. Featuring a thermal-magnetic interchangeable trip unit with a 500–1000 magnetic trip range, this breaker is designed to handle generator inrush currents while providing robust overload and short-circuit protection. With a 350 ampere rating at 40°C, the KG3350 is suitable for medium- to high-capacity generator applications. The bolt-on connection ensures secure mounting, while the standard line and load terminals provide easy integration into existing electrical infrastructure.

Product Specifications

• Brand: Eaton / Cutler-Hammer
• Model: KG3350
• Breaker Type: Molded Case Generator Circuit Breaker
• Frame Style: KG (K-Frame Generator Series)
• Rated Current: 350 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
• Warranty: One Year Manufacturer Warranty

Technical Specifications

• Frame Type: K-Frame
• Magnetic Trip Adjustment Range: 500–1000 Ampere
• Operating Temperature Reference: 40°C
• Protection Type: Overload and Short Circuit Protection
• Construction: Heavy-duty molded insulated case for industrial reliability

Voltage and Ratings

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

Product Data

• Manufacturer: Eaton / Cutler-Hammer
• Product Series: KG Generator Circuit Breaker Series
• Model Number: KG3350
• Current Rating: 350A
• Number of Poles: 3
• Connection Type: Bolt-On
• Terminal Type: Standard Line and Load Terminals
• Typical Applications: Generator protection, industrial switchgear, switchboards, and commercial electrical distribution equipment

Important Note

The product image represents a standard base model for identification purposes. If accessories are ordered together with the breaker, they can be installed according to your specified configuration at no extra cost. Include detailed installation instructions in the order comment box during checkout to ensure the breaker is delivered configured to your requirements.

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).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

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.