Eaton Cutler-Hammer KG3300S42 300A 3-Pole Generator Molded Case Circuit Breaker – Bolt-On Mount – 600VAC

Eaton Cutler-Hammer KG3300S42 300A 3-Pole Generator Molded Case Circuit Breaker – Bolt-On Mount – 600VACThe Eaton Cutler Hammer KG3300S42 is a K frame molded case generator circuit breaker engineered to deliver reliable protection for generator systems and industrial power distribution applications. It features a thermal magnetic interchangeable trip unit with a 5001000 magnetic trip range, allowing it to accommodate the higher inrush currents commonly associated with generator operation. Rated at 300 amperes at 40C, the breaker provides dependable

The Eaton Cutler-Hammer KG3300S42 is a K-frame molded case generator circuit breaker engineered to deliver reliable protection for generator systems and industrial power distribution applications. It features a thermal-magnetic interchangeable trip unit with a 500–1000 magnetic trip range, allowing it to accommodate the higher inrush currents commonly associated with generator operation. Rated at 300 amperes at 40°C, the breaker provides dependable overload and short-circuit protection while maintaining consistent performance in demanding environments. This configuration includes the S42 shunt trip option, enabling remote tripping capability for improved operational safety and control. Its bolt-on mounting design ensures secure installation, while standard line and load terminals provide dependable electrical connectivity.

Product Specifications

• Brand: Eaton / Cutler-Hammer
• Model: KG3300S42
• 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
• Configuration: S42 Shunt Trip Installed
• 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
• Shunt Trip Option: S42 – 12–24V DC Shunt Trip
• Shunt Trip Mounting: Left Pole Mounted, Exiting Rear
• Operating Temperature Reference: 40°C
• Protection Type: Overload and Short Circuit Protection
• Construction: Molded insulated case for durability and electrical safety

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: KG3300S42
• Current Rating: 300A
• Number of Poles: 3
• Connection Type: Bolt-On
• Terminal Type: Line and Load Terminals Included
• Included Option: S42 Shunt Trip
• Application: Generator protection systems, industrial switchboards, and electrical 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. This model includes a factory-installed S42 shunt trip for remote tripping functionality. If additional accessories are ordered together with the breaker, they can be installed according to 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 before shipment.