Siemens CQD225 - 25 A, 480 V, 2-Pole Circuit Breaker | AmpState

Siemens CQD225 is a 25A, 480V, 2-pole molded case circuit breaker engineered to safeguard branch circuits inside panelboards and load centers from overloads and short circuits. Built for dependable protection, it delivers consistent performance in a compact form that fits where space is at a premium.

• Compact molded-case design maximizes panel space and simplifies wiring, helping you fit more protection into the same enclosure without compromising reliability.
• Thermal-magnetic trip unit combines precise thermal protection with fast magnetic disconnection, ensuring stable, repeatable protection performance against both overloads and short-circuit events.
• OEM-compatible completeness designed to match Siemens OEM load centers and panelboards, enabling a seamless plug-and-play replacement in existing installations.
• Versatile application ideal for residential, commercial, and light industrial circuits that demand reliable protection without added complexity.
• Two-pole protection disconnects both conductors simultaneously, providing safer shutdown and protecting connected equipment and wiring.
• Reliable performance and ease of use—engineered for straightforward installation, minimal maintenance, and predictable trip behavior across varying loads.

Use cases and scenarios

• Upgrading or stocking spare protection for a mid-size commercial panel or a residential subpanel that requires a 25A circuit breaker.
• Protecting a dedicated 25A circuit serving HVAC controls, lighting branches, or receptacle circuits in small offices or retail spaces.
• Retrofit or replace aging breakers within Siemens panelboards, maintaining system compatibility and simplifying maintenance.

Technical snapshot

• Manufacturer: Siemens
• Part Number: CQD225
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 25 A
• Voltage Rating: 480 V
• Number of Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Choose the CQD225 when you need a dependable, space-efficient protection solution that integrates cleanly with Siemens panel products. It’s built to deliver precise protection, straightforward installation, and long-term reliability for a wide range of electrical services.