Siemens 3RV2021-1CA10 - Circuit Breaker | AmpState

Introducing the Siemens 3RV2021-1CA10 molded case circuit breaker—a dependable shield for your electrical system that handles branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to deliver consistent protection where it matters, this breaker is a practical upgrade for a safer, more reliable electrical setup.

• Compact molded-case design optimizes panel space, enabling efficient layouts without compromising protection or performance.
• Thermal-magnetic trip unit provides stable, repeatable protection for both overloads and short circuits, helping minimize nuisance trips while safeguarding wiring and connected equipment.
• OEM-compatible designed to integrate seamlessly with matching Siemens OEM load centers and panelboards for straightforward installation and reliable coordination.
• Versatile applications suitable for residential, commercial, and light industrial environments, making it a flexible solution across a wide range of projects.

Technical snapshot

• Manufacturer: Siemens
• Part Number: 3RV2021-1CA10
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical benefits:

• Ideal for panelboard upgrades or new installations where space efficiency and reliable protection are priorities.
• Replacement in compatible Siemens load centers ensures consistent protection characteristics and straightforward system maintenance.
• Suitable for homes, small businesses, and light industrial settings where durable, repeatable performance is essential for daily operation.