Siemens 3RV2021-1HA10 - 104 A Circuit Breaker | AmpState

The Siemens 3RV2021-1HA10 is a 104 A molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With a compact form factor and precise protection logic, it keeps electrical systems safe while maximizing panel space.

• Compact molded case design: Optimizes panel real estate, leaving room for neat wiring and easier future upgrades.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by combining thermal overload sensing with magnetic instantaneous trip for fast response to short circuits.
• Amperage rating of 104 A: Well-suited for high-load branch circuits, such as motors, pumps, and heavy lighting in residential subpanels or light commercial applications.
• OEM panelboard compatibility: Designed to fit and function with matching Siemens OEM load centers and panelboards, ensuring proper bus alignment and reliable operation.
• Versatile, real-world applications: Ideal for residential, commercial, and light industrial environments where durable, predictable protection is essential.
• Reliability in everyday duty: The dual-path protection minimizes nuisance trips while safeguarding wires, devices, and connected equipment over the long term.

This 3RV2021-1HA10 model from Siemens provides a practical balance of protection and space efficiency, making it a smart choice when upgrading or expanding panelboards. It’s the go-to option for electricians and facility managers who need a dependable, compatible 104 A circuit breaker that couples with existing Siemens load centers for straightforward installation and consistent performance.

Key details: Siemens, Part Number 3RV2021-1HA10, Type: Thermal-magnetic molded case circuit breaker, Amperage Rating: 104A, Application: Branch circuit overcurrent and short-circuit protection.