Eaton Cutler-Hammer SNT4RP11K 800A 3P 240V Circuit Breaker, Shunt Trip | AmpState

Meet the Eaton Cutler-Hammer SNT4RP11K — a premium 800A, 3-pole, 240V circuit breaker with integrated shunt trip, designed to deliver reliable protection for panelboards, load centers, and electrical distribution networks. Built for retrofit work and maintenance planning, this unit keeps critical systems running smoothly while maintaining a consistent part number for your BOM and service records.

Key specifications

• Manufacturer: Eaton Cutler-Hammer
• Part Number: SNT4RP11K
• Product Type: Circuit Breaker
• Amperage: 800 A
• Poles: 3
• Voltage: 240V
• Shunt Trip: Integrated remote-tripping capability for rapid circuit isolation

Why this breaker stands out

• Integrated shunt-trip provides immediate isolation of the protected circuit, enhancing safety in maintenance, emergency shutdowns, and centralized control scenarios.
• Three-pole design ensures synchronized protection across all phases, reducing the risk of unbalanced loads and improving overall distribution reliability.
• High-amperage 800 A rating is ideal for substantial feeders in commercial and industrial environments, simplifying panelboard configurations and reducing the need for multiple, smaller devices.
• Consistent part number support for retrofit projects means easier ordering, BOM traceability, and faster project execution without compatibility surprises.
• Available from AmpState, with expert help to confirmCompatibility—if you’re unsure about fit, a quick message will verify that the SNT4RP11K matches your existing footprint.

Practical use cases

• Retrofit replacements in aging panelboards or load centers where the exact SNT4RP11K is already in service and continuity is critical.
• Maintenance planning for facilities that require remote, rapid shutdown capability to coordinate with safety systems or centralized controls.
• New installations in commercial or industrial settings that demand robust three-phase protection with 240V operation and a high 800 A current rating.

Installation and compatibility tips

Install following the manufacturer’s instructions and verify the breaker’s fit within your panelboard or distribution setup. Ensure the remote trip wiring and control circuits are correctly rated and connected for safe operation. If you need confirmation on exact compatibility, AmpState can help — simply reach out with your panel model and configuration to ensure a seamless fit.