Siemens Q325 - 25 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Siemens Q325 — a 25A, 240V, 3-pole plug-in molded-case circuit breaker engineered to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Designed for straightforward installation and reliable performance, it’s an ideal upgrade or replacement part for residential, commercial, and light industrial electrical systems.

• Fast plug-in installation — the quick-connect design simplifies field replacements and new installations, reducing downtime and labor time during service or upgrades.
• Thermal-magnetic trip unit — provides stable, repeatable protection by responding to both overloads and short circuits, helping to prevent nuisance trips and equipment damage.
• OEM-compatible fit — crafted to pair with matching Siemens OEM load centers and panelboards for a seamless, reliable integration without modification.
• Versatile across environments — suitable for residential, commercial, and light industrial applications where robust 3-pole protection is required on 240V circuits.

Technical snapshot

• Manufacturer: Siemens
• Part Number: Q325
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 25A
• Voltage Rating: 240V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Who should consider the Siemens Q325? electricians and maintenance professionals upgrading panelboards, contractors wiring new commercial spaces, or building owners seeking reliable protection for 3-pole 240V circuits. Its plug-in design simplifies serviceability, while the thermal-magnetic trip provides dependable trip behavior under real-world conditions, helping to safeguard motors, lighting runs, and control circuits from faults and overloads.

Practical tips for best results:

• Verify panelboard compatibility with the Siemens Q325 before installation to ensure a perfect fit and performance.
• Periodically inspect connections and mounting for secure, vibration-free operation in mechanical enclosures.
• Follow local electrical codes and manufacturer guidelines for proper torque and wiring practices during replacement or installation.