Eaton 16SPB1600 1600A 3-Pole Circuit Breaker

Eaton 16SPB1600 — a rugged 3-Pole Circuit Breaker engineered to safeguard high-current, three-phase electrical feeds. With a 1600 A rating and part number 16SPB1600, this main-breaker unit is designed for industrial-scale distribution panels where dependable fault protection matters most.

Key specifications

• Current rating: 1600 A
• Poles: 3 (three-pole configuration for 3-phase systems)
• Part Number: 16SPB1600
• Application: serves as a main service disconnect or feeder protection in large commercial or industrial panels

Ideal applications

• Industrial facilities with high electrical demand, such as manufacturing plants and large workshops
• Data centers and mission-critical environments where stable 3-phase protection is essential
• Large commercial buildings requiring a robust main breaker for 3-phase feeder networks
• Electrical contractors and maintenance teams stocking Eaton components for quick replacements

Why this breaker stands out

• Compatibility within Eaton’s 16SPB family, simplifying replacement parts, service compatibility, and ongoing maintenance
• A purpose-built main-breaker solution that consolidates protection and disconnection for high-current three-phase systems
• Clear part-numbering (16SPB1600) supports fast procurement, accurate asset tracking, and streamlined spare-part inventories

Installation and practical guidance

• Confirm panel compatibility with the 16SPB1600 and ensure correct bus-bar alignment before installation
• Follow applicable electrical codes and manufacturer's torque specifications for mounting and terminations
• Ensure adequate enclosure ventilation and ambient temperature control to maintain performance in demanding environments
• Use as a main disconnect or to protect substantial feeders in three-phase distribution networks