Eaton WMS3B08 8A 3-Pole 600 V Circuit Breaker

Eaton WMS3B08 is a compact, OEM-grade circuit breaker engineered for robust three-phase protection in electrical panels and equipment. With an 8 A current rating, three poles, and a 600 V maximum rating, it delivers reliable interruption of fault currents in demanding industrial environments.

Key specifications

• Part number: WMS3B08
• Current rating: 8 A
• Poles: 3
• Voltage rating: 600 V
• Application: three-phase protection for distribution panels and motor circuits

Why this model stands out

• Trusted Eaton reliability that integrates smoothly with Eaton panels and safety systems, simplifying installation and maintenance
• Three-pole design ensures simultaneous protection across all three phases, supporting stable operation of balanced three-phase loads
• Durable labeling and clear identification aid quick servicing and audits in busy industrial settings

Ideal use cases

• Protecting three-phase circuits and equipment in industrial panels, cabinets, or control centers
• Motor control circuits, drives, or HVAC-related loads that draw up to 8 A per phase on a 600 V system
• Retrofits or replacements in facilities that specify Eaton components for reliability and compatibility

Installation and compatibility tips

• Install in panels or enclosures designed for 3-pole, 600 V devices and compatible with the WMS series
• Match the load current to the 8 A rating to ensure proper protection without nuisance trips
• Follow local electrical codes and safety practices during installation and maintenance
• Label circuits clearly to reflect the Eaton WMS3B08 protection to simplify future servicing