Siemens HGG1B020L 20A 1P 277V Circuit Breaker | AmpState

Siemens HGG1B020L 20A 1P 277V Circuit Breaker is designed to protect your electrical distribution system with precision. This single-pole breaker is a common choice for panelboards, load centers, and other distribution setups, offering reliable overcurrent protection for 277-volt circuits.

Why this model stands out is its focus on BOM fidelity and replacement readiness. If your project requires staying aligned with the original part number, the HGG1B020L is the ideal choice for replacements and spare stocking, helping you maintain consistency across upgrades and maintenance cycles.

• Exact BOM alignment—perfect for replacement projects and stocking spares to match the original part number.
• 20 A, 1-pole, 277 V—compact single-circuit protection tailored to 277-volt systems.
• Siemens quality—a trusted name in electrical protection with proven performance in commercial and industrial environments.
• Availability from AmpState—easy sourcing to keep your project on track.
• Compatibility support—need help matching a part number or confirming fit? Message us and we’ll help you confirm compatibility.

Specifications

• Manufacturer: Siemens
• Part Number: HGG1B020L
• Product Type: Circuit Breaker
• Amperage: 20 A
• Poles: 1
• Voltage: 277 V

Practical use cases include upgrading panelboards or load centers that rely on exact original-number breakers, maintaining spare inventories for facilities with 277V distribution, and ensuring quick, reliable replacements during routine maintenance. If your equipment requires the HGG1B020L, this is the precise component to preserve system protection, performance, and BOM integrity. For compatibility confirmation, just reach out—the team is ready to verify fit against your specific configuration.