Siemens QSH2225 225A 2-Pole 240 V Circuit Breaker

Engineered for robust overcurrent protection in demanding electrical systems, the Siemens QSH2225 225A, 2-Pole, 240V Circuit Breaker delivers dependable protection where it matters most. This genuine Siemens component (Part Number QSH2225) is designed to shield large feeders and critical equipment from overloads and short circuits, helping maintain safe, uninterrupted power distribution in commercial and industrial environments.

Key specifications at a glance

• Part Number: QSH2225
• Current rating: 225 A
• Poles: 2 (two hot legs protected simultaneously)
• Voltage rating: 240 V
• Type/series: Siemens QSH series, a trusted line for distribution panels

Why this breaker stands out

With a high 225 A rating, this 2-pole breaker is purpose-built for protecting large feeders, service entrances, and heavy equipment circuits. The Siemens QSH2225 integrates seamlessly into Siemens QSH panel systems, ensuring reliable coordination with other Siemens protective devices. Its design emphasizes consistent trip performance and mechanical resilience, which is essential for environments where downtime isn’t an option.

Ideal use cases

• Protecting large-draw feeders feeding industrial machinery, compressors, or HVAC systems on 240V grids
• Serving as a main or sub-feed protective device in commercial distribution panels
• Providing dependable fault protection for critical electrical infrastructure in warehouses or manufacturing facilities

How it helps you manage safety and reliability

By interrupting current during overloads or faults on both hot legs, the QSH2225 minimizes the risk of damaging equipment, reduces fire hazards, and supports safer shutdowns. Its compatibility with Siemens panel ecosystems simplifies installation and troubleshooting, helping electricians maintain consistent protection across the system without mixing brands or part families.

Installation and compatibility

This breaker is designed for Siemens QSH panels and related distribution setups. When integrating into an existing system, verify that the panel rating and electrical service requirements align with a 225 A, 240 V, 2-pole configuration to ensure proper coordination with upstream protection and downstream devices.

Practical considerations and tips

• Use as part of a well-coordinated protection scheme to safeguard large loads and feeders.
• Pair with appropriately sized conductors and overcurrent protection devices upstream and downstream to maintain system safety.
• Keep a record of the part number (QSH2225) for future replacements to ensure continued compatibility with Siemens QSH panels.