Siemens 3RV2021-0KA10 - Circuit Breaker | AmpState

Siemens 3RV2021-0KA10 molded case circuit breaker delivers dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Designed with a compact footprint and built for real-world electrical environments, this unit plugs directly into Siemens OEM systems for a seamless, reliable protection solution.

• Compact molded case design maximizes panel space and simplifies layouts in confined electrical enclosures.
• Thermal-magnetic trip unit provides stable, repeatable protection across varying temperatures and loading conditions, balancing quick short-circuit response with consistent overload protection.
• OEM compatibility engineered to fit matching Siemens loadcenters and panelboards, reducing installation guesswork and ensuring proper mechanical and electrical connections.
• Versatile across settings suitable for residential, commercial, and light industrial electrical distributions, helping single sources manage diverse protection needs.

Technical details: Manufacturer — Siemens; Part Number — 3RV2021-0KA10; Type — Thermal-magnetic molded case circuit breaker; Application — Branch circuit overcurrent and short-circuit protection.

This breaker shines in scenarios like panel upgrades, new installations in Siemens-based systems, or retrofits where space efficiency and reliable protection matter. The combination of a space-saving design with a thermal-magnetic trip mechanism means predictable performance—fast magnetic trips for sudden faults and calibrated thermal trips for routine overloads—keeping wiring and connected equipment safeguarded. Its OEM compatibility ensures a straightforward, professional installation that aligns with the rest of your Siemens panel ecosystem.

Ideal for: electricians and facilities managers handling residential panels, small offices, retail spaces, and light industrial distributions that rely on consistent, compatible Siemens protection components.

Choose the Siemens 3RV2021-0KA10 for a precise, purpose-built solution that integrates smoothly with your Siemens panelboards and delivers dependable branch-circuit protection when it matters most.