Square D EH34030 30A 3P 480V Circuit Breaker, Plug-On | AmpState

The Square D EH34030 is a purpose-built 30 A, 3-pole, 480 V plug-on circuit breaker designed for dependable circuit protection in your electrical distribution systems. From panelboards to load centers, this device is ready to support everyday commercial, industrial, and retrofit applications with consistent performance and reliable protection.

Designed for retrofit work and maintenance planning, the EH34030 helps you maintain a stable inventory. Keeping the same part number simplifies sourcing, reduces downtime, and ensures you can quickly identify and replace breakers across multiple sites without confusion.

Key features that matter in the field

• Plug-On design for straightforward installation and faster service calls
• Three-pole configuration suited for 3-phase 480 V electrical systems
• 30 A amperage provides reliable protection for balanced distribution circuits
• Compatibility with Square D panelboards and load centers to maintain system integrity
• Consistent part number (EH34030) supports efficient maintenance planning and procurement

Where it shines

Ideal for retrofit projects where existing Square D installations demand identical part numbers, ensuring seamless replacement without rewiring or protocol changes. It’s equally valuable for ongoing maintenance—keeping spare parts aligned with your distribution strategy helps you cut downtime during outages or routine service windows. In environments that run on 480 V three-phase power, this breaker delivers dependable, predictable protection for feeders and distribution circuits.

Why choose this model from AmpState

• Availability and quick access to the EH34030 when you need to keep projects on schedule
• Expert support to help match the part number and confirm fit for your panel and distribution setup
• A practical choice for facilities managers, electrical contractors, and maintenance teams aiming for consistent, reliable protection

If you’re coordinating an upgrade or maintenance plan and need to verify compatibility, AmpState is ready to assist. The EH34030 provides a dependable, plug-on solution for 480 V, three-phase systems, backed by straightforward sourcing and maintenance clarity.