Siemens 3RV2021-1GA10 - 82 A Circuit Breaker | AmpState

The Siemens 3RV2021-1GA10 is an 82 A molded-case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection for panelboards and load centers. Built for consistent performance in residential, commercial, and light industrial environments, this breaker integrates compact form with precise protection, ensuring your electrical system stays safe and reliable even under demanding conditions.

• Compact molded-case design maximizes panel space, allowing efficient layouts in tight electrical enclosures while maintaining robust protection.
• Thermal-magnetic trip unit provides stable, repeatable protection by combining thermal response for gradual overloads with magnetic trip for instantaneous short circuits.
• 82 A amperage rating delivers targeted protection for higher-load branch circuits without unnecessary interruptions.
• Type: Thermal-magnetic molded case circuit breaker engineered for reliable performance and predictable trip characteristics across varying loads.
• Part number: 3RV2021-1GA10 ensures proper identification for ordering, stocking, and replacement in Siemens-compatible systems.
• OEM compatibility designed to work with matching Siemens panelboards and OEM load centers for a seamless fit and consistent electrical protection.
• Versatile across applications suitable for residential service panels, commercial distribution equipment, and light industrial panels that require dependable overcurrent and short-circuit protection.

Why this Siemens 3RV2021-1GA10 matters

When a branch circuit threatens to overheat or short, the 3RV2021-1GA10 responds quickly to interrupt the fault, reducing the risk of insulation damage, equipment failure, and electrical fire. The combination of thermal and magnetic elements minimizes nuisance trips from transient surges while still delivering immediate protection during a true fault. This means fewer unwelcome outages and more consistent operation of critical loads like lighting, HVAC circuits, and small motors.

Ideal scenarios

• Expanding or upgrading residential panelboards where higher-load circuits require reliable protection.
• Commercial distribution panels serving lighting, receptacle, or small equipment circuits.
• Light industrial enclosures where compact breakers maximize panel density without compromising safety.

How it compares to typical breakers

Unlike breakers that rely solely on a thermal element or a simple magnetic trip, the Siemens 3RV2021-1GA10 leverages a thermal-magnetic design that delivers stable protection across fluctuating loads. Its compact form factor preserves valuable panel space, and its OEM compatibility ensures a precise fit and consistent trip curves within Siemens panel systems, reducing compatibility concerns during installation or replacement.

Installation and maintenance tips

• Verify panel compatibility with the Siemens OEM load center to ensure optimal fit and protection curves.
• Follow manufacturer torque specifications when tightening terminals to maintain reliable electrical contact.
• Keep spare 3RV series breakers on hand for quick replacements to minimize downtime.
• If the breaker trips unexpectedly outside normal patterns, inspect the circuit for overloads or short circuits before resetting.

Choose the Siemens 3RV2021-1GA10 for a trusted, space-efficient solution that delivers precise 82 A overcurrent protection and robust short-circuit interruption in a wide range of panelboard environments. This molded-case circuit breaker is designed to integrate seamlessly with Siemens panel systems, helping maintain safe, reliable electrical distribution across your home, business, or light industrial setup.