Siemens CQD220 - 20 A, 480 V, 2-Pole Circuit Breaker | AmpState

• Compact molded-case design delivers reliable protection without crowding your panel, making it ideal for installations where space is at a premium.
• Thermal-magnetic trip unit combines precise thermal overload sensing with instantaneous magnetic trip on severe faults, delivering stable, repeatable protection across a range of loads.
• 2-pole configuration at 480V protects both conductors in higher‑voltage circuits, helping to prevent unbalanced fault conditions and reducing arc energy during faults.
• OEM-compatible performance designed to pair with matching Siemens loadcenters and panelboards, ensuring straightforward replacement and consistent electrical coordination within your system.
• Versatile for multiple environments suited to residential, commercial, and light industrial applications where dependable, code‑compliant protection is essential.

Technical snapshot:

• Manufacturer: Siemens
• Part Number: CQD220
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20A
• Voltage Rating: 480V
• Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Why choose the CQD220 for your panel lineup? If you’re upgrading an existing Siemens panelboard or loading a new one, this 20A, 480V two‑pole breaker provides tight integration with Siemens’ ecosystem, predictable trip behavior, and a footprint that helps you fit more protection into the same enclosure. It’s a practical choice for technicians and facility managers who value reliable protection that aligns with standard Siemens panelgear, reduces wiring complexity, and supports safe, long‑term operation in everyday electrical systems.