Square D | EH14030 | Circuit Breaker | 30A | 1-Pole | 277V | Plug-In

The Square D EH14030 Circuit Breaker is a purpose-built safeguard for commercial and industrial electrical systems that require precise protection for a single circuit. With a 30-amp rating, 1-pole design, and 277-volt operating capability, this plug-in breaker is ideal for retrofit, maintenance, and replacement projects where exact specifications matter.

• Amperage: 30A
• Poles: 1-Pole
• Voltage: 277V
• Configuration: Plug-In
• Part number: EH14030

Key advantages and real-world use cases:

• Fast, code-compliant replacement for damaged or aging breakers in compatible Square D panels, minimizing downtime during service.
• Designed for 277V circuits common in commercial lighting and certain industrial applications, delivering reliable overcurrent protection for a single leg of the system.
• The EH14030 reference ensures compatibility for maintenance or retrofit projects that require an exact plug-in solution.
• Ideal for maintenance, retrofit, and replacement scenarios where precise amperage, pole count, and voltage are required.

Important compatibility notes:

Always confirm fit and ratings before ordering. The EH14030 part number is your best reference to ensure the plug-in breaker will mount correctly and protect the intended circuit in your panel.

If you’re upgrading or repairing a 277V single-pole circuit, this Square D plug-in breaker offers dependable protection and straightforward installation. Choose this 30A, 1-pole, 277V plug-in solution to keep critical loads protected and operating smoothly.