Siemens Q325H 25A 3-Pole 240 V Circuit Breaker

Meet the Siemens Q325H 25A 3-Pole 240V Circuit Breaker—a purpose-built protection device for modern 3-phase electrical systems. Designed to fit seamlessly into Siemens Q-Line panels, this breaker delivers reliable overcurrent protection for commercial and light-industrial applications that run on 240V three-phase power.

Key specifications at a glance

• Part Number: Q325H
• Current rating: 25 A
• Poles: 3
• Voltage rating: 240 V

Why this 3-pole 240V solution stands out

• Balanced protection across all three phases helps prevent phase-to-phase faults and uneven load distribution in 3-phase systems.
• Designed for reliable protection of 3-phase motors, compressors, conveyors, pumps, and other industrial equipment that operate at 240V.
• Part of Siemens' trusted Q-Line family, ensuring compatibility with compatible Siemens panels and a consistent trip characteristic across the panel bank.
• Compact, serviceable form factor that supports straightforward replacement or upgrades in existing electrical installations.

Ideal use cases

• Protection for 3-phase industrial motors and equipment in manufacturing, packaging, and processing facilities.
• HVAC compressor banks and large fans in commercial buildings.
• 3-phase distribution circuits in data centers, warehouses, and workshops that require dependable 240V protection.

Practical guidance for installation and use

• Verify that your panel accepts Siemens Q-Line breakers to ensure proper fit and electrical compatibility.
• Match the breaker rating (25 A) to the connected load to prevent nuisance tripping while maintaining safe protection against overloads and faults.
• Follow local electrical codes and manufacturer instructions for installation, torque specifications, and safety practices.

With the Siemens Q325H, you’re choosing a time-tested solution that emphasizes clear protection, straightforward maintenance, and compatibility within 3-phase 240V electrical architectures. It’s a practical, durable choice for safeguarding vital equipment and keeping operations running smoothly.