Square D EGB16030 - 30 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Square D EGB16030 is a 30A, 277V, 1-pole bolt-on molded case circuit breaker purpose-built for reliable branch circuit protection in panelboards and load centers. This Eaton legacy-style compatibility is ideal for upgrading or replacing aged devices while maintaining consistent performance in demanding electrical environments.

Designed with practical, real-world reliability in mind, the EGB16030 uses secure bolt-on mounting to deliver a rigid, vibration-resistant bus connection. That means fewer loosening issues in busy electrical panels and steadier operation over time, even in installations with frequent cycling or vibrations.

• Thermal-magnetic trip unit provides stable, repeatable protection by responding to both overloads and short circuits, helping prevent nuisance trips while safeguarding conductors and devices.
• 1-pole, 30A, 277V configuration is tailored for branch circuit protection in commercial lighting, distribution, and specific 277V applications common in commercial and light industrial settings.
• OEM-compatible design ensures dependable replacement and seamless integration with matching Square D load centers and panelboards, preserving protection coordination and electrical safety standards.
• Bolt-on mounting supports straightforward installation and a solid bus connection, reducing service time during upgrades or maintenance.

Ideal use scenarios

• Protecting branch circuits in commercial panelboards and load centers that run 277V lighting and equipment.
• Upgrading aging protection devices in residential-adjacent or small-to-mid-size commercial installations that require dependable overcurrent protection.
• Retrofitting or expanding electrical systems where a 1-pole, bolt-on breaker is the appropriate form factor for safety and code compliance.

Technical specifications

• Manufacturer: Square D
• Part number: EGB16030
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 30A
• Voltage rating: 277V
• Number of poles: 1
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

For installers and facility managers seeking dependable protection with straightforward compatibility, the Square D EGB16030 delivers consistent performance in a compact, easy-to-integrate package. It’s a practical choice for any project that requires precise 30A, 277V circuit protection in a single-pole, bolt-on design.