Siemens 3RV2021-0GA10 - Circuit Breaker | AmpState

Siemens 3RV2021-0GA10 molded case circuit breaker delivers dependable branch circuit overcurrent and short‑circuit protection inside panelboards and loadcenters. Built for real-world electrical layouts, this compact breaker helps you maximize panel space without compromising protection or reliability.

• Compact molded case design optimizes panel real estate, making it easier to design tidy, scalable electrical distribution for both new builds and upgrades.
• Thermal-magnetic trip unit provides stable, repeatable protection performance across varying loads and temperatures, with fast response to overcurrent faults.
• OEM-compatible engineered to drop into matching Siemens OEM loadcenters and panelboards, ensuring a seamless retrofit or replacement path.
• Versatile application ideal for residential, commercial, and light industrial electrical systems where reliable protection matters.

Technical specifications

• Manufacturer: Siemens
• Part Number: 3RV2021-0GA10
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Designed for practical, long‑lasting protection, the 3RV2021-0GA10 is a reliable choice for professionals upgrading or stocking spare breakers in Siemens‑labeled panelboards. Its compact form, precise trip behavior, and OEM compatibility translate to easier installations, fewer compatibility concerns, and consistent performance across residential, commercial, and light industrial environments. If you’re looking for a trusted, easy-to-source solution from AmpState that aligns with Siemens protection strategies, this model delivers clear value in both retrofit projects and new panel design.